feat: getting starting with a tui

* docs: Update Remote Taskfiles default values

This change updates the documentation for [Remote Taskfiles > Configuration](https://taskfile.dev/docs/experiments/remote-taskfiles#configuration) for `timeout` and `cache-expiry` to match the defaults in code.

* docs: Update `cache-expiry` default to 0s

* docs: Update executor.go comment

Fix doc comment to indicate that cache expiry default duration is 0.

.editorconfig

@@ -8,6 +8,6 @@ charset = utf-8
 trim_trailing_whitespace = true
 indent_style = tab
 
-[*.{md,mdx,yml,yaml,json,toml,htm,html,js,ts,css,svg,sh,bash,fish}]
+[*.{md,mdx,yml,yaml,json,toml,htm,html,js,ts,vue,css,svg,sh,bash,fish}]
 indent_style = space
 indent_size = 2

.github/CODE_OF_CONDUCT.md

@@ -1,46 +0,0 @@
-# Contributor Covenant Code of Conduct
-
-## Our Pledge
-
-In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
-
-## Our Standards
-
-Examples of behavior that contributes to creating a positive environment include:
-
-* Using welcoming and inclusive language
-* Being respectful of differing viewpoints and experiences
-* Gracefully accepting constructive criticism
-* Focusing on what is best for the community
-* Showing empathy towards other community members
-
-Examples of unacceptable behavior by participants include:
-
-* The use of sexualized language or imagery and unwelcome sexual attention or advances
-* Trolling, insulting/derogatory comments, and personal or political attacks
-* Public or private harassment
-* Publishing others' private information, such as a physical or electronic address, without explicit permission
-* Other conduct which could reasonably be considered inappropriate in a professional setting
-
-## Our Responsibilities
-
-Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
-
-Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
-
-## Scope
-
-This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
-
-## Enforcement
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at task@taskfile.dev. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
-
-Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
-
-## Attribution
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
-
-[homepage]: http://contributor-covenant.org
-[version]: http://contributor-covenant.org/version/1/4/

.github/CONTRIBUTING.md

@@ -1,14 +0,0 @@
-## You can find our [contribution guide on our website][contributing]
-
-- Please read it carefully before opening a PR.
-- If you have any questions, you can:
-  - [Open an issue][issues]
-  - [Create a discussion][discussions]
-  - [Chat to us on Discord][discord]
-
-<!-- prettier-ignore-start -->
-[contributing]: https://taskfile.dev/contributing
-[issues]: https://github.com/go-task/task/issues
-[discussions]: https://github.com/go-task/task/discussions
-[discord]: https://discord.gg/6TY36E39UK
-<!-- prettier-ignore-end -->

.github/FUNDING.yml

@@ -1,3 +0,0 @@
-github: [andreynering, pd93, vmaerten]
-open_collective: task
-custom: https://taskfile.dev/donate/

.github/dependabot.yml

@@ -1,24 +0,0 @@
-version: 2
-
-updates:
-  - package-ecosystem: gomod
-    directory: /
-    schedule:
-      interval: weekly
-      day: saturday
-      time: '08:00'
-      timezone: America/Sao_Paulo
-    labels:
-      - "area: dependencies"
-      - "lang: go"
-
-  - package-ecosystem: npm
-    directory: /
-    schedule:
-      interval: weekly
-      day: saturday
-      time: '08:00'
-      timezone: America/Sao_Paulo
-    labels:
-      - "area: dependencies"
-      - "lang: javascript"

.github/renovate.json

@@ -3,46 +3,23 @@
   "extends": [
     "config:recommended",
     "group:allNonMajor",
-    "schedule:monthly"
+    "schedule:weekly",
+    ":semanticCommitTypeAll(chore)"
   ],
   "mode": "full",
-  "reviewers": ["team:developer"],
+  "addLabels":["area: dependencies"],
   "packageRules": [
     {
       "matchManagers": ["github-actions"],
-      "groupName": "Github Action",
+      "addLabels": ["area: github actions"]
-      "labels": ["area: github actions", "area: dependencies"],
-      "matchPackageNames": [
-        "*"
-      ],
-      "matchUpdateTypes": [
-        "minor",
-        "patch"
-      ]
     },
     {
-      "matchManagers": ["npm", "nvm"],
+      "matchCategories": ["js", "node"],
-      "groupName": "Website",
+      "addLabels": ["lang: javascript"]
-      "labels": ["lang: javascript", "area: dependencies"],
-      "matchPackageNames": [
-        "*"
-      ],
-      "matchUpdateTypes": [
-        "minor",
-        "patch"
-      ]
     },
     {
-      "matchManagers": ["gomod"],
+      "matchCategories": ["golang"],
-      "groupName": "golang",
+      "addLabels": ["lang: go"]
-      "labels": ["lang: go", "area: dependencies"],
-      "matchPackageNames": [
-        "*"
-      ],
-      "matchUpdateTypes": [
-        "minor",
-        "patch"
-      ]
     }
   ]
 }

.github/workflows/issue-experiment.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   issue-experiment-proposed:
-    if: github.event.label.name == format('experiment{0} proposed', ':')
+    if: github.event.label.name == format('status{0} proposed', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -20,7 +20,7 @@ jobs:
               body: 'This issue has been marked as an experiment proposal! :test_tube: It will now enter a period of consultation during which we encourage the community to provide feedback on the proposed design. Please see the [experiment workflow documentation](https://taskfile.dev/experiments#workflow) for more information on how we release experiments.'
             })
   issue-experiment-draft:
-    if: github.event.label.name == format('experiment{0} draft', ':')
+    if: github.event.label.name == format('status{0} draft', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -34,7 +34,7 @@ jobs:
               body: 'This experiment has been marked as a draft! :sparkles: This means that an initial implementation has been added to the latest release of Task! You can find information about this experiment and how to enable it in our [experiments documentation](https://taskfile.dev/experiments). Please see the [experiment workflow documentation](https://taskfile.dev/experiments#workflow) for more information on how we release experiments.'
             })
   issue-experiment-candidate:
-    if: github.event.label.name == format('experiment{0} candidate', ':')
+    if: github.event.label.name == format('status{0} candidate', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -48,7 +48,7 @@ jobs:
               body: 'This experiment has been marked as a candidate! :fire: This means that the  implementation is nearing completion and we are entering a period for final comments and feedback! You can find information about this experiment and how to enable it in our [experiments documentation](https://taskfile.dev/experiments). Please see the [experiment workflow documentation](https://taskfile.dev/experiments#workflow) for more information on how we release experiments.'
             })
   issue-experiment-stable:
-    if: github.event.label.name == format('experiment{0} stable', ':')
+    if: github.event.label.name == format('status{0} stable', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -62,7 +62,7 @@ jobs:
               body: 'This experiment has been marked as stable! :metal: This means that the  implementation is now final and ready to be released. No more changes will be made and the experiment is safe to use in production! You can find information about this experiment and how to enable it in our [experiments documentation](https://taskfile.dev/experiments). Please see the [experiment workflow documentation](https://taskfile.dev/experiments#workflow) for more information on how we release experiments.'
             })
   issue-experiment-released:
-    if: github.event.label.name == format('experiment{0} released', ':')
+    if: github.event.label.name == format('status{0} released', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -82,7 +82,7 @@ jobs:
               state: 'closed'
             })
   issue-experiment-abandoned:
-    if: github.event.label.name == format('experiment{0} abandoned', ':')
+    if: github.event.label.name == format('status{0} abandoned', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7
@@ -102,7 +102,7 @@ jobs:
               state: 'closed'
             })
   issue-experiment-superseded:
-    if: github.event.label.name == format('experiment{0} superseded', ':')
+    if: github.event.label.name == format('status{0} superseded', ':')
     runs-on: ubuntu-latest
     steps:
       - uses: actions/github-script@v7

.github/workflows/lint.yml

@@ -13,46 +13,31 @@ jobs:
     name: Lint
     strategy:
       matrix:
-        go-version: [1.22.x, 1.23.x]
+        go-version: [1.24.x, 1.25.x]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-go@v5
         with:
           go-version: ${{matrix.go-version}}
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v8
         with:
-          version: v1.60.1
+          version: v2.1.0
 
   lint-jsonschema:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.12
+          python-version: 3.13
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: install check-jsonschema
         run: python -m pip install 'check-jsonschema==0.27.3'
 
       - name: check-jsonschema (metaschema)
-        run: check-jsonschema --check-metaschema website/static/schema.json
+        run: check-jsonschema --check-metaschema website/src/public/schema.json
-  check_doc:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Get changed files in the docs folder
-        id: changed-files-specific
-        uses: tj-actions/changed-files@v45
-        with:
-          files: website/versioned_docs/**
-
-      - uses: actions/github-script@v7
-        if: steps.changed-files-specific.outputs.any_changed == 'true'
-        with:
-          script: |
-            core.setFailed('website/versioned_docs has changed. Instead you need to update the docs in the website/docs folder.')

.github/workflows/release-nightly.yml

@@ -0,0 +1,30 @@
+name: Release nightly
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: 0 0 * * *
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 1.25.x
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          distribution: goreleaser-pro
+          version: latest
+          args: release --clean --nightly -f .goreleaser-nightly.yml
+        env:
+          GITHUB_TOKEN: ${{secrets.GH_PAT}}
+          GORELEASER_KEY: ${{secrets.GORELEASER_KEY}}
+          CLOUDSMITH_TOKEN: ${{secrets.CLOUDSMITH_TOKEN}}

.github/workflows/release.yml

@@ -10,17 +10,39 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
+        with:
+          fetch-depth: 0
 
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: 1.22.x
+          go-version: 1.25.x
+
+      - name: npm-login
+        run: |
+          npm config set '//registry.npmjs.org/:_authToken'=${{ secrets.NPM_TOKEN }}
+      - name: Install Task
+        uses: go-task/setup-task@v1
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          package_json_file: 'website/package.json'
+          run_install: 'true'
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:
+          distribution: goreleaser-pro
           version: latest
-          args: release --clean
+          args: release --clean --draft
         env:
           GITHUB_TOKEN: ${{secrets.GH_PAT}}
+          GORELEASER_KEY: ${{secrets.GORELEASER_KEY}}
+          CLOUDSMITH_TOKEN: ${{secrets.CLOUDSMITH_TOKEN}}
+
+      - name: Deploy Website
+        shell: bash
+        run: |
+          task website:deploy:prod

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     name: Test
     strategy:
       matrix:
-        go-version: [1.22.x, 1.23.x]
+        go-version: [1.24.x, 1.25.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{matrix.platform}}
     steps:
@@ -24,7 +24,7 @@ jobs:
         id: go
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Download Go modules
         run: go mod download

.golangci.yml

@@ -1,35 +1,64 @@
-# NOTE(@andreynering): The linters listed here are additions on top of
+version: "2"
-# those enabled by default:
+
-#
+formatters:
-# https://golangci-lint.run/usage/linters/#enabled-by-default
+  enable:
+    - gofmt
+    - gofumpt
+    - goimports
+    - gci
+  settings:
+    gofmt:
+      simplify: true
+      rewrite-rules:
+        - pattern: interface{}
+          replacement: any
+    gofumpt:
+      module-path: github.com/go-task/task/v3
+    goimports:
+      local-prefixes:
+        - github.com/go-task
+    gci:
+      sections:
+        - standard
+        - default
+        - prefix(github.com/go-task)
+        - localmodule
+  exclusions:
+    generated: lax
+    paths:
+      - third_party$
+      - builtin$
+      - examples$
 
 linters:
   enable:
     - depguard
-    - goimports
+    - mirror
-    - gofmt
-    - gofumpt
     - misspell
     - noctx
     - paralleltest
-    - tenv
     - thelper
     - tparallel
-
+    - usetesting
-linters-settings:
+  settings:
-  depguard:
+    depguard:
-    rules:
+      rules:
-      main:
+        main:
-        files:
+          files:
-          - "$all"
+            - $all
-          - "!$test"
+            - '!$test'
-          - "!**/errors/*.go"
+            - '!**/errors/*.go'
-        deny:
+          deny:
-          - pkg: "errors"
+            - pkg: errors
-            desc: "Use github.com/go-task/task/v3/errors instead"
+              desc: Use github.com/go-task/task/v3/errors instead
-  goimports:
+  exclusions:
-    local-prefixes: github.com/go-task
+    generated: lax
-  gofmt:
+    presets:
-    rewrite-rules:
+      - comments
-      - pattern: 'interface{}'
+      - common-false-positives
-        replacement: 'any'
+      - legacy
+      - std-error-handling
+    paths:
+      - third_party$
+      - builtin$
+      - examples$

.goreleaser-nightly.yml

@@ -0,0 +1,15 @@
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+version: 2
+pro: true
+
+release:
+  name_template: 'v{{.Version}}'
+
+nightly:
+  publish_release: true
+  keep_single_release: true
+  version_template: "{{incminor .Version}}-nightly"
+
+includes:
+  - from_file:
+      path: ./.goreleaser.yml

.goreleaser.yml

@@ -30,42 +30,46 @@ builds:
     flags:
       - -trimpath
     ldflags:
-      - -s -w # Don't set main.version.
+      - "-s -w"
+      - "{{if .IsNightly}}-X github.com/go-task/task/v3/internal/version.version={{.Version}}{{end}}"
 
 gomod:
   proxy: true
 
 archives:
-  - name_template: "{{.Binary}}_{{.Os}}_{{.Arch}}"
+  - name_template: '{{.Binary}}_{{.Os}}_{{.Arch}}'
     files:
       - README.md
       - LICENSE
       - completion/**/*
     format_overrides:
       - goos: windows
-        format: zip
+        formats: [zip]
 
-release:
+git:
-  draft: true
+  ignore_tags:
+    - "{{if not .IsNightly}}nightly{{end}}"
 
 snapshot:
-  version_template: "{{.Version}}"
+  version_template: '{{.Version}}'
 
 checksum:
-  name_template: "task_checksums.txt"
+  name_template: 'task_checksums.txt'
 
 nfpms:
   - vendor: Task
     homepage: https://taskfile.dev
     maintainer: The Task authors <task@taskfile.dev>
     description: Simple task runner written in Go
+    section: golang
     license: MIT
     conflicts:
       - taskwarrior
     formats:
       - deb
       - rpm
-    file_name_template: "{{.ProjectName}}_{{.Os}}_{{.Arch}}"
+      - apk
+    file_name_template: '{{.ProjectName}}_{{.Os}}_{{.Arch}}'
     contents:
       - src: completion/bash/task.bash
         dst: /etc/bash_completion.d/task
@@ -83,8 +87,7 @@ brews:
     repository:
       owner: go-task
       name: homebrew-tap
-    test:
+    test: system "#{bin}/task", "--help"
-      system "#{bin}/task", "--help"
     install: |-
       bin.install "task"
       bash_completion.install "completion/bash/task.bash" => "task"
@@ -107,7 +110,7 @@ winget:
     commit_author:
       name: task-bot
       email: 106601941+task-bot@users.noreply.github.com
-    commit_msg_template: "chore: bump {{.PackageIdentifier}} to {{.Tag}}"
+    commit_msg_template: 'chore: release {{.PackageIdentifier}} {{.Tag}}'
     release_notes_url: https://github.com/go-task/task/releases/tag/{{.Tag}}
     tags:
       - build
@@ -121,13 +124,49 @@ winget:
       - task-runner
       - taskfile
       - tool
-    skip_upload: true
     repository:
-      owner: microsoft
+      owner: go-task
       name: winget-pkgs
+      branch: 'chore/task-{{.Version}}'
       pull_request:
         enabled: true
+        draft: false
+        check_boxes: true
         base:
-          owner: go-task
+          owner: microsoft
           name: winget-pkgs
-          branch: "bump-task-to-{{.Tag}}"
+          branch: master
+
+
+npms:
+  - name: "@go-task/cli"
+    repository: "git+https://github.com/go-task/task.git"
+    bugs: https://github.com/go-task/task/issues
+    description: A task runner / simpler Make alternative written in Go
+    homepage: https://taskfile.dev
+    license: MIT
+    author: "The Task authors"
+    access: public
+    keywords:
+      - "task"
+      - "taskfile"
+      - "build-tool"
+      - "task-runner"
+
+
+cloudsmiths:
+  - organization: "task"
+    repository: "{{if not .IsNightly}}task{{end}}"
+    formats:
+      - deb
+      - rpm
+      - apk
+    distributions:
+      deb:
+        - "any-distro/any-version"
+      rpm:
+        - "any-distro/any-version"
+      alpine:
+        - "alpine/any-version"
+    component: main
+    republish: true

.mockery.yaml

@@ -1,4 +1,8 @@
-with-expecter: true
+all: False
-keeptree: true
+template: testify
-case: underscore
+filename: '{{base (trimSuffix ".go" .InterfaceFile)}}_mock.go'
-output: ./internal/mocks
+packages:
+  github.com/go-task/task/v3/internal/fingerprint:
+    interfaces:
+      SourcesCheckable:
+      StatusCheckable:

.nvmrc

@@ -1 +0,0 @@
-22.12.0

.taskrc.yml

@@ -0,0 +1,4 @@
+experiments:
+  GENTLE_FORCE: 0
+  REMOTE_TASKFILES: 0
+  ENV_PRECEDENCE: 0

.vscode/settings-sample.json

@@ -1,15 +1,12 @@
 {
   "yaml.schemas": {
-    "./website/static/schema.json": [
+    "./website/src/public/schema.json": [
-      "Taskfile.yml",
+        "Taskfile.yml",
-      "tmp/**/*.yml"
+        "Taskfile.yaml",
+        "taskfile.yml",
+        "taskfile.yaml"
     ]
   },
-  "search.exclude": {
-    "**/versioned_docs": true,
-    "**/versioned_sidesbars": true,
-    "**/i18n": true
-  },
   "gopls": {
       "formatting.local": "github.com/go-task"
   },

CHANGELOG.md

@@ -1,5 +1,282 @@
 # Changelog
 
+## Unreleased
+
+- Fixed bug that made a generic message, instead of an useful one, appear when
+  a Taskfile could not be found (#2431 by @andreynering).
+
+## v3.45.4 - 2025-09-17
+
+- Fixed a bug where `cache-expiry` could not be defined in `.taskrc.yml` (#2423
+  by @vmaerten).
+- Fixed a bug where `.taskrc.yml` files in parent folders were not read
+  correctly (#2424 by @vmaerten).
+- Fixed a bug where autocomplete in subfolders did not work with zsh (#2425 by
+  @vmaerten).
+
+## v3.45.3 - 2025-09-15
+
+- Task now includes built-in core utilities to greatly improve compatibility on
+  Windows. This means that your commands that uses `cp`, `mv`, `mkdir` or any
+  other common core utility will now work by default on Windows, without extra
+  setup. This is something we wanted to address for many many years, and it's
+  finally being shipped!
+  [Read our blog post this the topic](https://taskfile.dev/blog/windows-core-utils).
+  (#197, #2360 by @andreynering).
+- :sparkles: Built and deployed a [brand new website](https://taskfile.dev)
+  using [VitePress](https://vitepress.dev) (#2359, #2369, #2371, #2375, #2378 by
+  @vmaerten, @andreynering, @pd93).
+- Began releasing
+  [nightly builds](https://github.com/go-task/task/releases/tag/nightly). This
+  will allow people to test our changes before they are fully released and
+  without having to install Go to build them (#2358 by @vmaerten).
+- Added support for global config files in `$XDG_CONFIG_HOME/task/taskrc.yml` or
+  `$HOME/.taskrc.yml`. Check out our new
+  [configuration guide](https://taskfile.dev/docs/reference/config) for more
+  details (#2247, #2380, #2390, #2391 by @vmaerten, @pd93).
+- Added experiments to the taskrc schema to clarify the expected keys and values
+  (#2235 by @vmaerten).
+- Added support for new properties in `.taskrc.yml`: insecure, verbose,
+  concurrency, remote offline, remote timeout, and remote expiry. :warning:
+  Note: setting offline via environment variable is no longer supported. (#2389
+  by @vmaerten)
+- Added a `--nested` flag when outputting tasks using `--list --json`. This will
+  output tasks in a nested structure when tasks are namespaced (#2415 by @pd93).
+- Enhanced support for tasks with wildcards: they are now logged correctly, and
+  wildcard parameters are fully considered during fingerprinting (#1808, #1795
+  by @vmaerten).
+- Fixed panic when a variable was declared as an empty hash (`{}`) (#2416, #2417
+  by @trulede).
+
+#### Package API
+
+- Bumped the minimum version of Go to 1.24 (#2358 by @vmaerten).
+
+#### Other news
+
+We recently released our
+[official GitHub Action](https://github.com/go-task/setup-task). This is based
+on the fantastic work by the Arduino team who created and maintained the
+community version. Now that this is officially adopted, fixes/updates should be
+more timely. We have already merged a couple of longstanding PRs in our
+[first release](https://github.com/go-task/setup-task/releases/tag/v1.0.0) (by
+@pd93, @shrink, @trim21 and all the previous contributors to
+[arduino/setup-task](https://github.com/arduino/setup-task/)).
+
+## v3.45.0-v3.45.2 - 2025-09-15
+
+Failed due to an issue with our release process.
+
+## v3.44.1 - 2025-07-23
+
+- Internal tasks will no longer be shown as suggestions since they cannot be
+  called (#2309, #2323 by @maxmzkrcensys)
+- Fixed install script for some ARM platforms (#1516, #2291 by @trulede).
+- Fixed a regression where fingerprinting was not working correctly if the path
+  to you Taskfile contained a space (#2321, #2322 by @pd93).
+- Reverted a breaking change to `randInt` (#2312, #2316 by @pd93).
+- Made new variables `TEST_NAME` and `TEST_DIR` available in fixture tests
+  (#2265 by @pd93).
+
+## v3.44.0 - 2025-06-08
+
+- Added `uuid`, `randInt` and `randIntN` template functions (#1346, #2225 by
+  @pd93).
+- Added new `CLI_ARGS_LIST` array variable which contains the arguments passed
+  to Task after the `--` (the same as `CLI_ARGS`, but an array instead of a
+  string). (#2138, #2139, #2140 by @pd93).
+- Added `toYaml` and `fromYaml` templating functions (#2217, #2219 by @pd93).
+- Added `task` field the `--list --json` output (#2256 by @aleksandersh).
+- Added the ability to
+  [pin included taskfiles](https://taskfile.dev/next/experiments/remote-taskfiles/#manual-checksum-pinning)
+  by specifying a checksum. This works with both local and remote Taskfiles
+  (#2222, #2223 by @pd93).
+- When using the
+  [Remote Taskfiles experiment](https://github.com/go-task/task/issues/1317),
+  any credentials used in the URL will now be redacted in Task's output (#2100,
+  #2220 by @pd93).
+- Fixed fuzzy suggestions not working when misspelling a task name (#2192, #2200
+  by @vmaerten).
+- Fixed a bug where taskfiles in directories containing spaces created
+  directories in the wrong location (#2208, #2216 by @pd93).
+- Added support for dual JSON schema files, allowing changes without affecting
+  the current schema. The current schemas will only be updated during releases.
+  (#2211 by @vmaerten).
+- Improved fingerprint documentation by specifying that the method can be set at
+  the root level to apply to all tasks (#2233 by @vmaerten).
+- Fixed some watcher regressions after #2048 (#2199, #2202, #2241, #2196 by
+  @wazazaby, #2271 by @andreynering).
+
+## v3.43.3 - 2025-04-27
+
+Reverted the changes made in #2113 and #2186 that affected the
+`USER_WORKING_DIR` and built-in variables. This fixes #2206, #2195, #2207 and
+#2208.
+
+## v3.43.2 - 2025-04-21
+
+- Fixed regresion of `CLI_ARGS` being exposed as the wrong type (#2190, #2191 by
+  @vmaerten).
+
+## v3.43.1 - 2025-04-21
+
+- Significant improvements were made to the watcher. We migrated from
+  [watcher](https://github.com/radovskyb/watcher) to
+  [fsnotify](https://github.com/fsnotify/fsnotify). The former library used
+  polling, which means Task had a high CPU usage when watching too many files.
+  `fsnotify` uses proper the APIs from each operating system to watch files,
+  which means a much better performance. The default interval changed from 5
+  seconds to 100 milliseconds, because now it configures the wait time for
+  duplicated events, instead of the polling time (#2048 by @andreynering, #1508,
+  #985, #1179).
+- The [Map Variables experiment](https://github.com/go-task/task/issues/1585)
+  was made generally available so you can now
+  [define map variables in your Taskfiles!](https://taskfile.dev/usage/#variables)
+  (#1585, #1547, #2081 by @pd93).
+- Wildcards can now
+  [match multiple tasks](https://taskfile.dev/usage/#wildcard-arguments) (#2072,
+  #2121 by @pd93).
+- Added the ability to
+  [loop over the files specified by the `generates` keyword](https://taskfile.dev/usage/#looping-over-your-tasks-sources-or-generated-files).
+  This works the same way as looping over sources (#2151 by @sedyh).
+- Added the ability to resolve variables when defining an include variable
+  (#2108, #2113 by @pd93).
+- A few changes have been made to the
+  [Remote Taskfiles experiment](https://github.com/go-task/task/issues/1317)
+  (#1402, #2176 by @pd93):
+  - Cached files are now prioritized over remote ones.
+  - Added an `--expiry` flag which sets the TTL for a remote file cache. By
+    default the value will be 0 (caching disabled). If Task is running in
+    offline mode or fails to make a connection, it will fallback on the cache.
+- `.taskrc` files can now be used from subdirectories and will be searched for
+  recursively up the file tree in the same way that Taskfiles are (#2159, #2166
+  by @pd93).
+- The default taskfile (output when using the `--init` flag) is now an embedded
+  file in the binary instead of being stored in the code (#2112 by @pd93).
+- Improved the way we report the Task version when using the `--version` flag or
+  `{{.TASK_VERSION}}` variable. This should now be more consistent and easier
+  for package maintainers to use (#2131 by @pd93).
+- Fixed a bug where globstar (`**`) matching in `sources` only resolved the
+  first result (#2073, #2075 by @pd93).
+- Fixed a bug where sorting tasks by "none" would use the default sorting
+  instead of leaving tasks in the order they were defined (#2124, #2125 by
+  @trulede).
+- Fixed Fish completion on newer Fish versions (#2130 by @atusy).
+- Fixed a bug where undefined/null variables resolved to an empty string instead
+  of `nil` (#1911, #2144 by @pd93).
+- The `USER_WORKING_DIR` special now will now properly account for the `--dir`
+  (`-d`) flag, if given (#2102, #2103 by @jaynis, #2186 by @andreynering).
+- Fix Fish completions when `--global` (`-g`) is given (#2134 by @atusy).
+- Fixed variables not available when using `defer:` (#1909, #2173 by @vmaerten).
+
+#### Package API
+
+- The [`Executor`](https://pkg.go.dev/github.com/go-task/task/v3#Executor) now
+  uses the functional options pattern (#2085, #2147, #2148 by @pd93).
+- The functional options for the
+  [`taskfile.Reader`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader)
+  and
+  [`taskfile.Snippet`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Snippet)
+  types no longer have the `Reader`/`Snippet` respective prefixes (#2148 by
+  @pd93).
+- [`taskfile.Reader`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader)
+  no longer accepts a
+  [`taskfile.Node`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Node).
+  Instead nodes are passed directly into the
+  [`Reader.Read`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader.Read)
+  method (#2169 by @pd93).
+- [`Reader.Read`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader.Read)
+  also now accepts a [`context.Context`](https://pkg.go.dev/context#Context)
+  (#2176 by @pd93).
+
+## v3.42.1 - 2025-03-10
+
+- Fixed a bug where some special variables caused a type error when used global
+  variables (#2106, #2107 by @pd93).
+
+## v3.42.0 - 2025-03-08
+
+- Made `--init` less verbose by default and respect `--silent` and `--verbose`
+  flags (#2009, #2011 by @HeCorr).
+- `--init` now accepts a file name or directory as an argument (#2008, #2018 by
+  @HeCorr).
+- Fix a bug where an HTTP node's location was being mutated incorrectly (#2007
+  by @jeongukjae).
+- Fixed a bug where allowed values didn't work with dynamic var (#2032, #2033 by
+  @vmaerten).
+- Use only the relevant checker (timestamp or checksum) to improve performance
+  (#2029, #2031 by @vmaerten).
+- Print warnings when attempting to enable an inactive experiment or an active
+  experiment with an invalid value (#1979, #2049 by @pd93).
+- Refactored the experiments package and added tests (#2049 by @pd93).
+- Show allowed values when a variable with an enum is missing (#2027, #2052 by
+  @vmaerten).
+- Refactored how snippets in error work and added tests (#2068 by @pd93).
+- Fixed a bug where errors decoding commands were sometimes unhelpful (#2068 by
+  @pd93).
+- Fixed a bug in the Taskfile schema where `defer` statements in the shorthand
+  `cmds` syntax were not considered valid (#2068 by @pd93).
+- Refactored how task sorting functions work (#1798 by @pd93).
+- Added a new `.taskrc.yml` (or `.taskrc.yaml`) file to let users enable
+  experiments (similar to `.env`) (#1982 by @vmaerten).
+- Added new [Getting Started docs](https://taskfile.dev/getting-started) (#2086
+  by @pd93).
+- Allow `matrix` to use references to other variables (#2065, #2069 by @pd93).
+- Fixed a bug where, when a dynamic variable is provided, even if it is not
+  used, all other variables become unavailable in the templating system within
+  the include (#2092 by @vmaerten).
+
+#### Package API
+
+Unlike our CLI tool,
+[Task's package API is not currently stable](https://taskfile.dev/reference/package).
+In an effort to ease the pain of breaking changes for our users, we will be
+providing changelogs for our package API going forwards. The hope is that these
+changes will provide a better long-term experience for our users and allow to
+stabilize the API in the future. #121 now tracks this piece of work.
+
+- Bumped the minimum required Go version to 1.23 (#2059 by @pd93).
+- [`task.InitTaskfile`](https://pkg.go.dev/github.com/go-task/task/v3#InitTaskfile)
+  (#2011, ff8c913 by @HeCorr and @pd93)
+  - No longer accepts an `io.Writer` (output is now the caller's
+    responsibility).
+  - The path argument can now be a filename OR a directory.
+  - The function now returns the full path of the generated file.
+- [`TaskfileDecodeError.WithFileInfo`](https://pkg.go.dev/github.com/go-task/task/v3/errors#TaskfileDecodeError.WithFileInfo)
+  now accepts a string instead of the arguments required to generate a snippet
+  (#2068 by @pd93).
+  - The caller is now expected to create the snippet themselves (see below).
+- [`TaskfileSnippet`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Snippet)
+  and related code moved from the `errors` package to the `taskfile` package
+  (#2068 by @pd93).
+- Renamed `TaskMissingRequiredVars` to
+  [`TaskMissingRequiredVarsError`](https://pkg.go.dev/github.com/go-task/task/v3/errors#TaskMissingRequiredVarsError)
+  (#2052 by @vmaerten).
+- Renamed `TaskNotAllowedVars` to
+  [`TaskNotAllowedVarsError`](https://pkg.go.dev/github.com/go-task/task/v3/errors#TaskNotAllowedVarsError)
+  (#2052 by @vmaerten).
+- The
+  [`taskfile.Reader`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader)
+  is now constructed using the functional options pattern (#2082 by @pd93).
+- Removed our internal `logger.Logger` from the entire `taskfile` package (#2082
+  by @pd93).
+  - Users are now expected to pass a custom debug/prompt functions into
+    [`taskfile.Reader`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#Reader)
+    if they want this functionality by using the new
+    [`WithDebugFunc`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#WithDebugFunc)
+    and
+    [`WithPromptFunc`](https://pkg.go.dev/github.com/go-task/task/v3/taskfile#WithPromptFunc)
+    functional options.
+- Remove `Range` functions in the `taskfile/ast` package in favour of new
+  iterator functions (#1798 by @pd93).
+- `ast.Call` was moved from the `taskfile/ast` package to the main `task`
+  package (#2084 by @pd93).
+- `ast.Tasks.FindMatchingTasks` was moved from the `taskfile/ast` package to the
+  `task.Executor.FindMatchingTasks` in the main `task` package (#2084 by @pd93).
+- The `Compiler` and its `GetVariables` and `FastGetVariables` methods were
+  moved from the `internal/compiler` package to the main `task` package (#2084
+  by @pd93).
+
 ## v3.41.0 - 2025-01-18
 
 - Fixed an issue where dynamic variables were not properly logged in verbose

README.md

@@ -1,6 +1,6 @@
 <div align="center">
   <a href="https://taskfile.dev">
-    <img src="website/static/img/logo.svg" width="200px" height="200px" />
+    <img src="website/src/public/img/logo.svg" width="200px" height="200px" />
   </a>
 
   <h1>Task</h1>
@@ -19,7 +19,7 @@
     <tr>
       <td align="center" valign="middle">
         <a target="_blank" href="https://devowl.io">
-          <img src="/website/static/img/devowl.io.svg" height="100px" title="devowl.io" />
+          <img src="https://devowl.io/wp-content/uploads/meta/favicon.webp" height="100px" title="devowl.io" />
         </a>
       </td>
     </tr>

Taskfile.yml

@@ -8,6 +8,7 @@ includes:
 
 vars:
   BIN: "{{.ROOT_DIR}}/bin"
+  GOTESTSUM_FORMAT: '{{if .CI}}github-actions{{else}}pkgname{{end}}'
 
 env:
   CGO_ENABLED: '0'
@@ -18,6 +19,11 @@ tasks:
       - task: lint
       - task: test
 
+  run:
+    desc: Runs Task
+    cmds:
+      - go run ./cmd/task {{.CLI_ARGS}}
+
   install:
     desc: Installs Task
     aliases: [i]
@@ -27,27 +33,44 @@ tasks:
       - go install -v ./cmd/task
 
   generate:
-    desc: Runs Mockery to create mocks
     aliases: [gen, g]
+    desc: Runs all generate tasks
+    cmds:
+      - task: generate:mocks
+      - task: generate:fixtures
+
+  generate:mocks:
+    desc: Runs Mockery to create mocks
+    aliases: [gen:mocks, g:mocks]
     deps: [install:mockery]
     sources:
       - "internal/fingerprint/checker.go"
     generates:
       - "internal/mocks/*.go"
     cmds:
-      - "{{.BIN}}/mockery --dir ./internal/fingerprint --name SourcesCheckable"
+      - find . -type f -name *_mock.go -delete
-      - "{{.BIN}}/mockery --dir ./internal/fingerprint --name StatusCheckable"
+      - "{{.BIN}}/mockery"
+
+  generate:fixtures:
+    desc: Runs tests and generates golden fixture files
+    aliases: [gen:fixtures, g:fixtures]
+    env:
+      GOLDIE_UPDATE: 'true'
+      GOLDIE_TEMPLATE: 'true'
+    cmds:
+      - find ./testdata -name '*.golden' -delete
+      - go test ./...
 
   install:mockery:
     desc: Installs mockgen; a tool to generate mock files
     vars:
-      MOCKERY_VERSION: v2.24.0
+      MOCKERY_VERSION: v3.2.2
     env:
       GOBIN: "{{.BIN}}"
     status:
       - go version -m {{.BIN}}/mockery | grep github.com/vektra/mockery | grep {{.MOCKERY_VERSION}}
     cmds:
-      - go install github.com/vektra/mockery/v2@{{.MOCKERY_VERSION}}
+      - GOBIN="{{.BIN}}" go install github.com/vektra/mockery/v3@{{.MOCKERY_VERSION}}
 
   mod:
     desc: Downloads and tidy Go modules
@@ -68,6 +91,7 @@ tasks:
     sources:
       - './**/*.go'
       - .golangci.yml
+      - go.mod
     cmds:
       - golangci-lint run
 
@@ -76,9 +100,19 @@ tasks:
     sources:
       - './**/*.go'
       - .golangci.yml
+      - go.mod
     cmds:
       - golangci-lint run --fix
 
+  format:
+    desc: Runs golangci-lint and formats any Go files
+    aliases: [fmt, f]
+    sources:
+      - './**/*.go'
+      - .golangci.yml
+    cmds:
+      - golangci-lint fmt
+
   sleepit:build:
     desc: Builds the sleepit test helper
     sources:
@@ -98,32 +132,58 @@ tasks:
   test:
     desc: Runs test suite
     aliases: [t]
-    deps: [install]
+    deps: [gotestsum:install]
+    sources:
+      - "**/*.go"
+      - "testdata/**/*"
     cmds:
-      - go test {{catLines .GO_PACKAGES}}
+      - gotestsum -f '{{.GOTESTSUM_FORMAT}}' ./...
-    vars:
+
-      GO_PACKAGES:
+  test:watch:
-        sh: go list ./...
+    desc: Runs test suite with watch tests included
+    deps: [sleepit:build, gotestsum:install]
+    cmds:
+      - gotestsum -f '{{.GOTESTSUM_FORMAT}}' ./... -tags 'watch'
 
   test:all:
     desc: Runs test suite with signals and watch tests included
-    deps: [install, sleepit:build]
+    deps: [sleepit:build, gotestsum:install]
     cmds:
-      - go test {{catLines .GO_PACKAGES}} -tags 'signals watch'
+      - gotestsum -f '{{.GOTESTSUM_FORMAT}}' -tags 'signals watch' ./...
-    vars:
-      GO_PACKAGES:
-        sh: go list ./...
 
   goreleaser:test:
     desc: Tests release process without publishing
     cmds:
       - goreleaser --snapshot --clean
 
+  gotestsum:install:
+    desc: Installs gotestsum
+    status:
+      - command -v gotestsum
+    cmds:
+      - go install gotest.tools/gotestsum@latest
+
   goreleaser:install:
     desc: Installs goreleaser
     cmds:
       - go install github.com/goreleaser/goreleaser/v2@latest
 
+  gorelease:install:
+    desc: "Installs gorelease: https://pkg.go.dev/golang.org/x/exp/cmd/gorelease"
+    status:
+      - command -v gorelease
+    cmds:
+      - go install golang.org/x/exp/cmd/gorelease@latest
+
+  api:check:
+    desc: Checks what changes have been made to the public API
+    deps: [gorelease:install]
+    vars:
+      LATEST:
+        sh: git describe --tags --abbrev=0
+    cmds:
+      - gorelease -base={{.LATEST}}
+
   release:*:
     desc: Prepare the project for a new release
     summary: |
@@ -137,7 +197,7 @@ tasks:
       - Push the commit/tag to the repository
       - Create a GitHub release
 
-      To use the task, simply run "task release:<version>" where "<version>" is is one of:
+      To use the task, run "task release:<version>" where "<version>" is is one of:
 
       - "major" - Bumps the major number
       - "minor" - Bumps the minor number
@@ -152,7 +212,6 @@ tasks:
         Please wait for the CI to finish and then do the following:
 
         - Copy the changelog for v{{.VERSION}} to the GitHub release
-        - Publish the package to NPM with `task npm:publish`
         - Update and push the snapcraft manifest in https://github.com/go-task/snap/blob/main/snap/snapcraft.yaml
     preconditions:
       - sh: test $(git rev-parse --abbrev-ref HEAD) = "main"
@@ -171,16 +230,3 @@ tasks:
       - "git push origin tag v{{.VERSION}}"
       - cmd: printf "%s" '{{.COMPLETE_MESSAGE}}'
         silent: true
-
-  npm:publish:
-    desc: Publish release to npm
-    cmds:
-      - npm publish --access=public
-
-  packages:
-    cmds:
-      - echo '{{.GO_PACKAGES}}'
-    vars:
-      GO_PACKAGES:
-        sh: go list ./...
-    silent: true

args/args.go

@@ -3,17 +3,34 @@ package args
 import (
 	"strings"
 
+	"github.com/spf13/pflag"
+	"mvdan.cc/sh/v3/syntax"
+
+	"github.com/go-task/task/v3"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
+// Get fetches the remaining arguments after CLI parsing and splits them into
+// two groups: the arguments before the double dash (--) and the arguments after
+// the double dash.
+func Get() ([]string, []string, error) {
+	args := pflag.Args()
+	doubleDashPos := pflag.CommandLine.ArgsLenAtDash()
+
+	if doubleDashPos == -1 {
+		return args, nil, nil
+	}
+	return args[:doubleDashPos], args[doubleDashPos:], nil
+}
+
 // Parse parses command line argument: tasks and global variables
-func Parse(args ...string) ([]*ast.Call, *ast.Vars) {
+func Parse(args ...string) ([]*task.Call, *ast.Vars) {
-	calls := []*ast.Call{}
+	calls := []*task.Call{}
 	globals := ast.NewVars()
 
 	for _, arg := range args {
 		if !strings.Contains(arg, "=") {
-			calls = append(calls, &ast.Call{Task: arg})
+			calls = append(calls, &task.Call{Task: arg})
 			continue
 		}
 
@@ -24,6 +41,18 @@ func Parse(args ...string) ([]*ast.Call, *ast.Vars) {
 	return calls, globals
 }
 
+func ToQuotedString(args []string) (string, error) {
+	var quotedCliArgs []string
+	for _, arg := range args {
+		quotedCliArg, err := syntax.Quote(arg, syntax.LangBash)
+		if err != nil {
+			return "", err
+		}
+		quotedCliArgs = append(quotedCliArgs, quotedCliArg)
+	}
+	return strings.Join(quotedCliArgs, " "), nil
+}
+
 func splitVar(s string) (string, string) {
 	pair := strings.SplitN(s, "=", 2)
 	return pair[0], pair[1]

args/args_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
+	"github.com/go-task/task/v3"
 	"github.com/go-task/task/v3/args"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
@@ -15,12 +16,12 @@ func TestArgs(t *testing.T) {
 
 	tests := []struct {
 		Args            []string
-		ExpectedCalls   []*ast.Call
+		ExpectedCalls   []*task.Call
 		ExpectedGlobals *ast.Vars
 	}{
 		{
 			Args: []string{"task-a", "task-b", "task-c"},
-			ExpectedCalls: []*ast.Call{
+			ExpectedCalls: []*task.Call{
 				{Task: "task-a"},
 				{Task: "task-b"},
 				{Task: "task-c"},
@@ -28,7 +29,7 @@ func TestArgs(t *testing.T) {
 		},
 		{
 			Args: []string{"task-a", "FOO=bar", "task-b", "task-c", "BAR=baz", "BAZ=foo"},
-			ExpectedCalls: []*ast.Call{
+			ExpectedCalls: []*task.Call{
 				{Task: "task-a"},
 				{Task: "task-b"},
 				{Task: "task-c"},
@@ -56,7 +57,7 @@ func TestArgs(t *testing.T) {
 		},
 		{
 			Args: []string{"task-a", "CONTENT=with some spaces"},
-			ExpectedCalls: []*ast.Call{
+			ExpectedCalls: []*task.Call{
 				{Task: "task-a"},
 			},
 			ExpectedGlobals: ast.NewVars(
@@ -70,7 +71,7 @@ func TestArgs(t *testing.T) {
 		},
 		{
 			Args: []string{"FOO=bar", "task-a", "task-b"},
-			ExpectedCalls: []*ast.Call{
+			ExpectedCalls: []*task.Call{
 				{Task: "task-a"},
 				{Task: "task-b"},
 			},
@@ -85,15 +86,15 @@ func TestArgs(t *testing.T) {
 		},
 		{
 			Args:          nil,
-			ExpectedCalls: []*ast.Call{},
+			ExpectedCalls: []*task.Call{},
 		},
 		{
 			Args:          []string{},
-			ExpectedCalls: []*ast.Call{},
+			ExpectedCalls: []*task.Call{},
 		},
 		{
 			Args:          []string{"FOO=bar", "BAR=baz"},
-			ExpectedCalls: []*ast.Call{},
+			ExpectedCalls: []*task.Call{},
 			ExpectedGlobals: ast.NewVars(
 				&ast.VarElement{
 					Key: "FOO",

call.go

@@ -1,9 +1,11 @@
-package ast
+package task
+
+import "github.com/go-task/task/v3/taskfile/ast"
 
 // Call is the parameters to a task call
 type Call struct {
 	Task     string
-	Vars     *Vars
+	Vars     *ast.Vars
 	Silent   bool
 	Indirect bool // True if the task was called by another task
 }

cmd/release/main.go

@@ -3,13 +3,11 @@ package main
 import (
 	"fmt"
 	"os"
-	"os/exec"
 	"regexp"
 	"strings"
 	"time"
 
 	"github.com/Masterminds/semver/v3"
-	"github.com/otiai10/copy"
 	"github.com/spf13/pflag"
 
 	"github.com/go-task/task/v3/errors"
@@ -17,15 +15,11 @@ import (
 
 const (
 	changelogSource = "CHANGELOG.md"
-	changelogTarget = "website/docs/changelog.mdx"
+	changelogTarget = "website/src/docs/changelog.md"
-	docsSource      = "website/docs"
+	versionFile     = "internal/version/version.txt"
-	docsTarget      = "website/versioned_docs/version-latest"
 )
 
-var (
+var changelogReleaseRegex = regexp.MustCompile(`## Unreleased`)
-	changelogReleaseRegex = regexp.MustCompile(`## Unreleased`)
-	versionRegex          = regexp.MustCompile(`(?m)^  "version": "\d+\.\d+\.\d+",$`)
-)
 
 // Flags
 var (
@@ -49,7 +43,7 @@ func release() error {
 		return errors.New("error: expected version number")
 	}
 
-	version, err := getVersion()
+	version, err := getVersion(versionFile)
 	if err != nil {
 		return err
 	}
@@ -67,28 +61,18 @@ func release() error {
 		return err
 	}
 
-	if err := setJSONVersion("package.json", version); err != nil {
+	if err := setVersionFile(versionFile, version); err != nil {
-		return err
-	}
-
-	if err := setJSONVersion("package-lock.json", version); err != nil {
-		return err
-	}
-
-	if err := docs(); err != nil {
 		return err
 	}
 
 	return nil
 }
 
-func getVersion() (*semver.Version, error) {
+func getVersion(filename string) (*semver.Version, error) {
-	cmd := exec.Command("git", "describe", "--tags", "--abbrev=0")
+	b, err := os.ReadFile(filename)
-	b, err := cmd.Output()
 	if err != nil {
 		return nil, err
 	}
-
 	return semver.NewVersion(strings.TrimSpace(string(b)))
 }
 
@@ -144,26 +128,6 @@ func changelog(version *semver.Version) error {
 	return os.WriteFile(changelogTarget, []byte(changelog), 0o644)
 }
 
-func setJSONVersion(fileName string, version *semver.Version) error {
+func setVersionFile(fileName string, version *semver.Version) error {
-	// Read the JSON file
+	return os.WriteFile(fileName, []byte(version.String()+"\n"), 0o644)
-	b, err := os.ReadFile(fileName)
-	if err != nil {
-		return err
-	}
-
-	// Replace the version
-	new := versionRegex.ReplaceAllString(string(b), fmt.Sprintf(`  "version": "%s",`, version.String()))
-
-	// Write the JSON file
-	return os.WriteFile(fileName, []byte(new), 0o644)
-}
-
-func docs() error {
-	if err := os.RemoveAll(docsTarget); err != nil {
-		return err
-	}
-	if err := copy.Copy(docsSource, docsTarget); err != nil {
-		return err
-	}
-	return nil
 }

cmd/task/task.go

@@ -4,20 +4,19 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"strings"
+	"path/filepath"
 
 	"github.com/spf13/pflag"
-	"mvdan.cc/sh/v3/syntax"
 
 	"github.com/go-task/task/v3"
 	"github.com/go-task/task/v3/args"
 	"github.com/go-task/task/v3/errors"
-	"github.com/go-task/task/v3/internal/experiments"
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/internal/filepathext"
 	"github.com/go-task/task/v3/internal/flags"
 	"github.com/go-task/task/v3/internal/logger"
-	"github.com/go-task/task/v3/internal/sort"
+	"github.com/go-task/task/v3/internal/tui"
-	ver "github.com/go-task/task/v3/internal/version"
+	"github.com/go-task/task/v3/internal/version"
-	"github.com/go-task/task/v3/taskfile"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
@@ -44,7 +43,7 @@ func main() {
 }
 
 func run() error {
-	logger := &logger.Logger{
+	log := &logger.Logger{
 		Stdout:  os.Stdout,
 		Stderr:  os.Stderr,
 		Verbose: flags.Verbose,
@@ -55,11 +54,12 @@ func run() error {
 		return err
 	}
 
-	dir := flags.Dir
+	if err := experiments.Validate(); err != nil {
-	entrypoint := flags.Entrypoint
+		log.Warnf("%s\n", err.Error())
+	}
 
 	if flags.Version {
-		fmt.Printf("Task version: %s\n", ver.GetVersionWithSum())
+		fmt.Println(version.GetVersionWithBuildInfo())
 		return nil
 	}
 
@@ -69,7 +69,7 @@ func run() error {
 	}
 
 	if flags.Experiments {
-		return experiments.List(logger)
+		return log.PrintExperiments()
 	}
 
 	if flags.Init {
@@ -77,12 +77,35 @@ func run() error {
 		if err != nil {
 			return err
 		}
-		if err := task.InitTaskfile(os.Stdout, wd); err != nil {
+		args, _, err := args.Get()
+		if err != nil {
 			return err
 		}
+		path := wd
+		if len(args) > 0 {
+			name := args[0]
+			if filepathext.IsExtOnly(name) {
+				name = filepathext.SmartJoin(filepath.Dir(name), "Taskfile"+filepath.Ext(name))
+			}
+			path = filepathext.SmartJoin(wd, name)
+		}
+		finalPath, err := task.InitTaskfile(path)
+		if err != nil {
+			return err
+		}
+		if !flags.Silent {
+			if flags.Verbose {
+				log.Outf(logger.Default, "%s\n", task.DefaultTaskfile)
+			}
+			log.Outf(logger.Green, "Taskfile created: %s\n", filepathext.TryAbsToRel(finalPath))
+		}
 		return nil
 	}
 
+	if flags.TUI {
+		return tui.Run()
+	}
+
 	if flags.Completion != "" {
 		script, err := task.Completion(flags.Completion)
 		if err != nil {
@@ -92,82 +115,30 @@ func run() error {
 		return nil
 	}
 
-	if flags.Global {
+	e := task.NewExecutor(
-		home, err := os.UserHomeDir()
+		flags.WithFlags(),
-		if err != nil {
+		task.WithVersionCheck(true),
-			return fmt.Errorf("task: Failed to get user home directory: %w", err)
+	)
-		}
+	if err := e.Setup(); err != nil {
-		dir = home
-	}
-
-	var taskSorter sort.TaskSorter
-	switch flags.TaskSort {
-	case "none":
-		taskSorter = &sort.Noop{}
-	case "alphanumeric":
-		taskSorter = &sort.AlphaNumeric{}
-	}
-
-	e := task.Executor{
-		Dir:         dir,
-		Entrypoint:  entrypoint,
-		Force:       flags.Force,
-		ForceAll:    flags.ForceAll,
-		Insecure:    flags.Insecure,
-		Download:    flags.Download,
-		Offline:     flags.Offline,
-		Timeout:     flags.Timeout,
-		Watch:       flags.Watch,
-		Verbose:     flags.Verbose,
-		Silent:      flags.Silent,
-		AssumeYes:   flags.AssumeYes,
-		Dry:         flags.Dry || flags.Status,
-		Summary:     flags.Summary,
-		Parallel:    flags.Parallel,
-		Color:       flags.Color,
-		Concurrency: flags.Concurrency,
-		Interval:    flags.Interval,
-
-		Stdin:  os.Stdin,
-		Stdout: os.Stdout,
-		Stderr: os.Stderr,
-
-		OutputStyle:        flags.Output,
-		TaskSorter:         taskSorter,
-		EnableVersionCheck: true,
-	}
-	listOptions := task.NewListOptions(flags.List, flags.ListAll, flags.ListJson, flags.NoStatus)
-	if err := listOptions.Validate(); err != nil {
 		return err
 	}
 
-	err := e.Setup()
-	if err != nil {
-		return err
-	}
-	if experiments.AnyVariables.Enabled {
-		logger.Warnf("The 'Any Variables' experiment flag is no longer required to use non-map variable types. If you wish to use map variables, please use 'TASK_X_MAP_VARIABLES' instead. See https://github.com/go-task/task/issues/1585\n")
-	}
-
-	// If the download flag is specified, we should stop execution as soon as
-	// taskfile is downloaded
-	if flags.Download {
-		return nil
-	}
-
 	if flags.ClearCache {
-		cache, err := taskfile.NewCache(e.TempDir.Remote)
+		cachePath := filepath.Join(e.TempDir.Remote, "remote")
-		if err != nil {
+		return os.RemoveAll(cachePath)
-			return err
-		}
-		return cache.Clear()
-	}
-
-	if (listOptions.ShouldListTasks()) && flags.Silent {
-		return e.ListTaskNames(flags.ListAll)
 	}
 
+	listOptions := task.NewListOptions(
+		flags.List,
+		flags.ListAll,
+		flags.ListJson,
+		flags.NoStatus,
+		flags.Nested,
+	)
 	if listOptions.ShouldListTasks() {
+		if flags.Silent {
+			return e.ListTaskNames(flags.ListAll)
+		}
 		foundTasks, err := e.ListTasks(listOptions)
 		if err != nil {
 			return err
@@ -178,24 +149,24 @@ func run() error {
 		return nil
 	}
 
-	var (
+	// Parse the remaining arguments
-		calls   []*ast.Call
+	cliArgsPreDash, cliArgsPostDash, err := args.Get()
-		globals *ast.Vars
-	)
-
-	tasksAndVars, cliArgs, err := getArgs()
 	if err != nil {
 		return err
 	}
-
+	calls, globals := args.Parse(cliArgsPreDash...)
-	calls, globals = args.Parse(tasksAndVars...)
 
 	// If there are no calls, run the default task instead
 	if len(calls) == 0 {
-		calls = append(calls, &ast.Call{Task: "default"})
+		calls = append(calls, &task.Call{Task: "default"})
 	}
 
-	globals.Set("CLI_ARGS", ast.Var{Value: cliArgs})
+	cliArgsPostDashQuoted, err := args.ToQuotedString(cliArgsPostDash)
+	if err != nil {
+		return err
+	}
+	globals.Set("CLI_ARGS", ast.Var{Value: cliArgsPostDashQuoted})
+	globals.Set("CLI_ARGS_LIST", ast.Var{Value: cliArgsPostDash})
 	globals.Set("CLI_FORCE", ast.Var{Value: flags.Force || flags.ForceAll})
 	globals.Set("CLI_SILENT", ast.Var{Value: flags.Silent})
 	globals.Set("CLI_VERBOSE", ast.Var{Value: flags.Verbose})
@@ -214,24 +185,3 @@ func run() error {
 
 	return e.Run(ctx, calls...)
 }
-
-func getArgs() ([]string, string, error) {
-	var (
-		args          = pflag.Args()
-		doubleDashPos = pflag.CommandLine.ArgsLenAtDash()
-	)
-
-	if doubleDashPos == -1 {
-		return args, "", nil
-	}
-
-	var quotedCliArgs []string
-	for _, arg := range args[doubleDashPos:] {
-		quotedCliArg, err := syntax.Quote(arg, syntax.LangBash)
-		if err != nil {
-			return nil, "", err
-		}
-		quotedCliArgs = append(quotedCliArgs, quotedCliArg)
-	}
-	return args[:doubleDashPos], strings.Join(quotedCliArgs, " "), nil
-}

compiler.go

@@ -1,4 +1,4 @@
-package compiler
+package task
 
 import (
 	"bytes"
@@ -36,16 +36,16 @@ func (c *Compiler) GetTaskfileVariables() (*ast.Vars, error) {
 	return c.getVariables(nil, nil, true)
 }
 
-func (c *Compiler) GetVariables(t *ast.Task, call *ast.Call) (*ast.Vars, error) {
+func (c *Compiler) GetVariables(t *ast.Task, call *Call) (*ast.Vars, error) {
 	return c.getVariables(t, call, true)
 }
 
-func (c *Compiler) FastGetVariables(t *ast.Task, call *ast.Call) (*ast.Vars, error) {
+func (c *Compiler) FastGetVariables(t *ast.Task, call *Call) (*ast.Vars, error) {
 	return c.getVariables(t, call, false)
 }
 
-func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool) (*ast.Vars, error) {
+func (c *Compiler) getVariables(t *ast.Task, call *Call, evaluateShVars bool) (*ast.Vars, error) {
-	result := GetEnviron()
+	result := env.GetEnviron()
 	specialVars, err := c.getSpecialVars(t, call)
 	if err != nil {
 		return nil, err
@@ -75,7 +75,7 @@ func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool
 				return err
 			}
 			// If the variable is already set, we can set it and return
-			if newVar.Value != nil {
+			if newVar.Value != nil || newVar.Sh == nil {
 				result.Set(k, ast.Var{Value: newVar.Value})
 				return nil
 			}
@@ -103,30 +103,42 @@ func (c *Compiler) getVariables(t *ast.Task, call *ast.Call, evaluateShVars bool
 		taskRangeFunc = getRangeFunc(dir)
 	}
 
-	if err := c.TaskfileEnv.Range(rangeFunc); err != nil {
+	for k, v := range c.TaskfileEnv.All() {
-		return nil, err
+		if err := rangeFunc(k, v); err != nil {
-	}
-	if err := c.TaskfileVars.Range(rangeFunc); err != nil {
-		return nil, err
-	}
-	if t != nil {
-		if err := t.IncludeVars.Range(rangeFunc); err != nil {
 			return nil, err
 		}
-		if err := t.IncludedTaskfileVars.Range(taskRangeFunc); err != nil {
+	}
+	for k, v := range c.TaskfileVars.All() {
+		if err := rangeFunc(k, v); err != nil {
 			return nil, err
 		}
 	}
+	if t != nil {
+		for k, v := range t.IncludeVars.All() {
+			if err := rangeFunc(k, v); err != nil {
+				return nil, err
+			}
+		}
+		for k, v := range t.IncludedTaskfileVars.All() {
+			if err := taskRangeFunc(k, v); err != nil {
+				return nil, err
+			}
+		}
+	}
 
 	if t == nil || call == nil {
 		return result, nil
 	}
 
-	if err := call.Vars.Range(rangeFunc); err != nil {
+	for k, v := range call.Vars.All() {
-		return nil, err
+		if err := rangeFunc(k, v); err != nil {
+			return nil, err
+		}
 	}
-	if err := t.Vars.Range(taskRangeFunc); err != nil {
+	for k, v := range t.Vars.All() {
-		return nil, err
+		if err := taskRangeFunc(k, v); err != nil {
+			return nil, err
+		}
 	}
 
 	return result, nil
@@ -184,7 +196,7 @@ func (c *Compiler) ResetCache() {
 	c.dynamicCache = nil
 }
 
-func (c *Compiler) getSpecialVars(t *ast.Task, call *ast.Call) (map[string]string, error) {
+func (c *Compiler) getSpecialVars(t *ast.Task, call *Call) (map[string]string, error) {
 	allVars := map[string]string{
 		"TASK_EXE":         filepath.ToSlash(os.Args[0]),
 		"ROOT_TASKFILE":    filepathext.SmartJoin(c.Dir, c.Entrypoint),
@@ -197,9 +209,16 @@ func (c *Compiler) getSpecialVars(t *ast.Task, call *ast.Call) (map[string]strin
 		allVars["TASK_DIR"] = filepathext.SmartJoin(c.Dir, t.Dir)
 		allVars["TASKFILE"] = t.Location.Taskfile
 		allVars["TASKFILE_DIR"] = filepath.Dir(t.Location.Taskfile)
+	} else {
+		allVars["TASK"] = ""
+		allVars["TASK_DIR"] = ""
+		allVars["TASKFILE"] = ""
+		allVars["TASKFILE_DIR"] = ""
 	}
 	if call != nil {
 		allVars["ALIAS"] = call.Task
+	} else {
+		allVars["ALIAS"] = ""
 	}
 
 	return allVars, nil

completion/fish/task.fish

@@ -1,8 +1,25 @@
-set GO_TASK_PROGNAME task
+set -l GO_TASK_PROGNAME task
+
+function __task_get_tasks --description "Prints all available tasks with their description" --inherit-variable GO_TASK_PROGNAME
+  # Check if the global task is requested
+  set -l global_task false
+  commandline --current-process | read --tokenize --list --local cmd_args
+  for arg in $cmd_args
+    if test "_$arg" = "_--"
+      break # ignore arguments to be passed to the task
+    end
+    if test "_$arg" = "_--global" -o "_$arg" = "_-g"
+      set global_task true
+      break
+    end
+  end
 
-function __task_get_tasks --description "Prints all available tasks with their description"
   # Read the list of tasks (and potential errors)
-  $GO_TASK_PROGNAME --list-all 2>&1 | read -lz rawOutput
+  if $global_task
+    $GO_TASK_PROGNAME --global --list-all
+  else
+    $GO_TASK_PROGNAME --list-all
+  end 2>&1 | read -lz rawOutput
 
   # Return on non-zero exit code (for cases when there is no Taskfile found or etc.)
   if test $status -ne 0

completion/zsh/_task

@@ -16,21 +16,18 @@ function __task_list() {
 
 
     if [[ -n "$taskfile" && -f "$taskfile" ]]; then
-        enabled=1
         cmd+=(--taskfile "$taskfile")
-    else
+    fi
-        for taskfile in {T,t}askfile{,.dist}.{yaml,yml}; do
+
-            if [[ -f "$taskfile" ]]; then
+
-                enabled=1
+    if output=$("${cmd[@]}" $_GO_TASK_COMPLETION_LIST_OPTION 2>/dev/null); then
-                break
+        enabled=1
-            fi
-        done
     fi
 
     (( enabled )) || return 0
 
     scripts=()
-    for item in "${(@)${(f)$("${cmd[@]}" $_GO_TASK_COMPLETION_LIST_OPTION)}[2,-1]#\* }"; do
+    for item in "${(@)${(f)output}[2,-1]#\* }"; do
         task="${item%%:[[:space:]]*}"
         desc="${item##[^[:space:]]##[[:space:]]##}"
         scripts+=( "${task//:/\\:}:$desc" )

errors/error_taskfile_decode.go

@@ -2,36 +2,18 @@ package errors
 
 import (
 	"bytes"
-	"embed"
+	"cmp"
 	"errors"
 	"fmt"
 	"regexp"
 	"strings"
 
-	"github.com/alecthomas/chroma/v2"
-	"github.com/alecthomas/chroma/v2/quick"
-	"github.com/alecthomas/chroma/v2/styles"
 	"github.com/fatih/color"
 	"gopkg.in/yaml.v3"
 )
 
-//go:embed themes/*.xml
-var embedded embed.FS
-
 var typeErrorRegex = regexp.MustCompile(`line \d+: (.*)`)
 
-func init() {
-	r, err := embedded.Open("themes/task.xml")
-	if err != nil {
-		panic(err)
-	}
-	style, err := chroma.NewXMLStyle(r)
-	if err != nil {
-		panic(err)
-	}
-	styles.Register(style)
-}
-
 type (
 	TaskfileDecodeError struct {
 		Message  string
@@ -39,15 +21,9 @@ type (
 		Line     int
 		Column   int
 		Tag      string
-		Snippet  TaskfileSnippet
+		Snippet  string
 		Err      error
 	}
-	TaskfileSnippet struct {
-		Lines     []string
-		StartLine int
-		EndLine   int
-		Padding   int
-	}
 )
 
 func NewTaskfileDecodeError(err error, node *yaml.Node) *TaskfileDecodeError {
@@ -88,38 +64,44 @@ func (err *TaskfileDecodeError) Error() string {
 		}
 	}
 	fmt.Fprintln(buf, color.RedString("file: %s:%d:%d", err.Location, err.Line, err.Column))
+	fmt.Fprint(buf, err.Snippet)
+	return buf.String()
+}
 
-	// Print the snippet
+func (err *TaskfileDecodeError) Debug() string {
-	maxLineNumberDigits := digits(err.Snippet.EndLine)
+	const indentWidth = 2
-	lineNumberSpacer := strings.Repeat(" ", maxLineNumberDigits)
+	buf := &bytes.Buffer{}
-	columnSpacer := strings.Repeat(" ", err.Column-1)
+	fmt.Fprintln(buf, "TaskfileDecodeError:")
-	for i, line := range err.Snippet.Lines {
-		currentLine := err.Snippet.StartLine + i + 1
 
-		lineIndicator := " "
+	// Recursively loop through the error chain and print any details
-		if currentLine == err.Line {
+	var debug func(error, int)
-			lineIndicator = ">"
+	debug = func(err error, indent int) {
-		}
+		indentStr := strings.Repeat(" ", indent*indentWidth)
-		columnIndicator := "^"
 
-		// Print each line
+		// Nothing left to unwrap
-		lineIndicator = color.RedString(lineIndicator)
+		if err == nil {
-		columnIndicator = color.RedString(columnIndicator)
+			fmt.Fprintf(buf, "%sEnd of chain\n", indentStr)
-		lineNumberFormat := fmt.Sprintf("%%%dd", maxLineNumberDigits)
+			return
-		lineNumber := fmt.Sprintf(lineNumberFormat, currentLine)
-		fmt.Fprintf(buf, "%s %s | %s", lineIndicator, lineNumber, line)
-
-		// Print the column indicator
-		if currentLine == err.Line {
-			fmt.Fprintf(buf, "\n  %s | %s%s", lineNumberSpacer, columnSpacer, columnIndicator)
 		}
 
-		// If there are more lines to print, add a newline
+		// Taskfile decode error
-		if i < len(err.Snippet.Lines)-1 {
+		decodeErr := &TaskfileDecodeError{}
-			fmt.Fprintln(buf)
+		if errors.As(err, &decodeErr) {
+			fmt.Fprintf(buf, "%s%s (%s:%d:%d)\n",
+				indentStr,
+				cmp.Or(decodeErr.Message, "<no_message>"),
+				decodeErr.Location,
+				decodeErr.Line,
+				decodeErr.Column,
+			)
+			debug(errors.Unwrap(err), indent+1)
+			return
 		}
+
+		fmt.Fprintf(buf, "%s%s\n", indentStr, err)
+		debug(errors.Unwrap(err), indent+1)
 	}
-
+	debug(err, 0)
 	return buf.String()
 }
 
@@ -141,23 +123,9 @@ func (err *TaskfileDecodeError) WithTypeMessage(t string) *TaskfileDecodeError {
 	return err
 }
 
-func (err *TaskfileDecodeError) WithFileInfo(location string, b []byte, padding int) *TaskfileDecodeError {
+func (err *TaskfileDecodeError) WithFileInfo(location string, snippet string) *TaskfileDecodeError {
-	buf := &bytes.Buffer{}
-	if err := quick.Highlight(buf, string(b), "yaml", "terminal", "task"); err != nil {
-		buf.WriteString(string(b))
-	}
-	lines := strings.Split(buf.String(), "\n")
-	start := max(err.Line-1-padding, 0)
-	end := min(err.Line+padding, len(lines)-1)
-
 	err.Location = location
-	err.Snippet = TaskfileSnippet{
+	err.Snippet = snippet
-		Lines:     lines[start:end],
-		StartLine: start,
-		EndLine:   end,
-		Padding:   padding,
-	}
-
 	return err
 }
 
@@ -168,12 +136,3 @@ func extractTypeErrorMessage(message string) string {
 	}
 	return message
 }
-
-func digits(number int) int {
-	count := 0
-	for number != 0 {
-		number /= 10
-		count += 1
-	}
-	return count
-}

errors/errors.go

@@ -8,6 +8,11 @@ const (
 	CodeUnknown            // Used when no other exit code is appropriate
 )
 
+// TaskRC related exit codes
+const (
+	CodeTaskRCNotFoundError int = iota + 50
+)
+
 // Taskfile related exit codes
 const (
 	CodeTaskfileNotFound int = iota + 100
@@ -21,6 +26,7 @@ const (
 	CodeTaskfileNetworkTimeout
 	CodeTaskfileInvalid
 	CodeTaskfileCycle
+	CodeTaskfileDoesNotMatchChecksum
 )
 
 // Task related exit codes

errors/errors_task.go

@@ -1,6 +1,7 @@
 package errors
 
 import (
+	"errors"
 	"fmt"
 	"strings"
 
@@ -46,8 +47,9 @@ func (err *TaskRunError) Code() int {
 }
 
 func (err *TaskRunError) TaskExitCode() int {
-	if c, ok := interp.IsExitStatus(err.Err); ok {
+	var exit interp.ExitStatus
-		return int(c)
+	if errors.As(err.Err, &exit) {
+		return int(exit)
 	}
 	return err.Code()
 }
@@ -141,21 +143,37 @@ func (err *TaskCancelledNoTerminalError) Code() int {
 	return CodeTaskCancelled
 }
 
-// TaskMissingRequiredVars is returned when a task is missing required variables.
+// TaskMissingRequiredVarsError is returned when a task is missing required variables.
-type TaskMissingRequiredVars struct {
+
+type MissingVar struct {
+	Name          string
+	AllowedValues []string
+}
+type TaskMissingRequiredVarsError struct {
 	TaskName    string
-	MissingVars []string
+	MissingVars []MissingVar
 }
 
-func (err *TaskMissingRequiredVars) Error() string {
+func (v MissingVar) String() string {
+	if len(v.AllowedValues) == 0 {
+		return v.Name
+	}
+	return fmt.Sprintf("%s (allowed values: %v)", v.Name, v.AllowedValues)
+}
+
+func (err *TaskMissingRequiredVarsError) Error() string {
+	vars := make([]string, 0, len(err.MissingVars))
+	for _, v := range err.MissingVars {
+		vars = append(vars, v.String())
+	}
+
 	return fmt.Sprintf(
 		`task: Task %q cancelled because it is missing required variables: %s`,
 		err.TaskName,
-		strings.Join(err.MissingVars, ", "),
+		strings.Join(vars, ", "))
-	)
 }
 
-func (err *TaskMissingRequiredVars) Code() int {
+func (err *TaskMissingRequiredVarsError) Code() int {
 	return CodeTaskMissingRequiredVars
 }
 
@@ -165,12 +183,12 @@ type NotAllowedVar struct {
 	Name  string
 }
 
-type TaskNotAllowedVars struct {
+type TaskNotAllowedVarsError struct {
 	TaskName       string
 	NotAllowedVars []NotAllowedVar
 }
 
-func (err *TaskNotAllowedVars) Error() string {
+func (err *TaskNotAllowedVarsError) Error() string {
 	var builder strings.Builder
 
 	builder.WriteString(fmt.Sprintf("task: Task %q cancelled because it is missing required variables:\n", err.TaskName))
@@ -181,6 +199,6 @@ func (err *TaskNotAllowedVars) Error() string {
 	return builder.String()
 }
 
-func (err *TaskNotAllowedVars) Code() int {
+func (err *TaskNotAllowedVarsError) Code() int {
 	return CodeTaskNotAllowedVars
 }

errors/errors_taskfile.go

@@ -11,14 +11,18 @@ import (
 // TaskfileNotFoundError is returned when no appropriate Taskfile is found when
 // searching the filesystem.
 type TaskfileNotFoundError struct {
-	URI  string
+	URI     string
-	Walk bool
+	Walk    bool
+	AskInit bool
 }
 
 func (err TaskfileNotFoundError) Error() string {
 	var walkText string
 	if err.Walk {
-		walkText = " (or any of the parent directories)"
+		walkText = " (or any of the parent directories)."
+	}
+	if err.AskInit {
+		walkText += " Run `task --init` to create a new Taskfile."
 	}
 	return fmt.Sprintf(`task: No Taskfile found at %q%s`, err.URI, walkText)
 }
@@ -155,19 +159,14 @@ func (err *TaskfileVersionCheckError) Code() int {
 // TaskfileNetworkTimeoutError is returned when the user attempts to use a remote
 // Taskfile but a network connection could not be established within the timeout.
 type TaskfileNetworkTimeoutError struct {
-	URI          string
+	URI     string
-	Timeout      time.Duration
+	Timeout time.Duration
-	CheckedCache bool
 }
 
 func (err *TaskfileNetworkTimeoutError) Error() string {
-	var cacheText string
-	if err.CheckedCache {
-		cacheText = " and no offline copy was found in the cache"
-	}
 	return fmt.Sprintf(
-		`task: Network connection timed out after %s while attempting to download Taskfile %q%s`,
+		`task: Network connection timed out after %s while attempting to download Taskfile %q`,
-		err.Timeout, err.URI, cacheText,
+		err.Timeout, err.URI,
 	)
 }
 
@@ -192,3 +191,24 @@ func (err TaskfileCycleError) Error() string {
 func (err TaskfileCycleError) Code() int {
 	return CodeTaskfileCycle
 }
+
+// TaskfileDoesNotMatchChecksum is returned when a Taskfile's checksum does not
+// match the one pinned in the parent Taskfile.
+type TaskfileDoesNotMatchChecksum struct {
+	URI              string
+	ExpectedChecksum string
+	ActualChecksum   string
+}
+
+func (err *TaskfileDoesNotMatchChecksum) Error() string {
+	return fmt.Sprintf(
+		"task: The checksum of the Taskfile at %q does not match!\ngot: %q\nwant: %q",
+		err.URI,
+		err.ActualChecksum,
+		err.ExpectedChecksum,
+	)
+}
+
+func (err *TaskfileDoesNotMatchChecksum) Code() int {
+	return CodeTaskfileDoesNotMatchChecksum
+}

errors/errors_taskrc.go

@@ -0,0 +1,20 @@
+package errors
+
+import "fmt"
+
+type TaskRCNotFoundError struct {
+	URI  string
+	Walk bool
+}
+
+func (err TaskRCNotFoundError) Error() string {
+	var walkText string
+	if err.Walk {
+		walkText = " (or any of the parent directories)"
+	}
+	return fmt.Sprintf(`task: No Task config file found at %q%s`, err.URI, walkText)
+}
+
+func (err TaskRCNotFoundError) Code() int {
+	return CodeTaskRCNotFoundError
+}

executor.go

@@ -0,0 +1,504 @@
+package task
+
+import (
+	"context"
+	"io"
+	"os"
+	"sync"
+	"time"
+
+	"github.com/puzpuzpuz/xsync/v3"
+	"github.com/sajari/fuzzy"
+
+	"github.com/go-task/task/v3/internal/logger"
+	"github.com/go-task/task/v3/internal/output"
+	"github.com/go-task/task/v3/internal/sort"
+	"github.com/go-task/task/v3/taskfile/ast"
+)
+
+type (
+	// An ExecutorOption is any type that can apply a configuration to an
+	// [Executor].
+	ExecutorOption interface {
+		ApplyToExecutor(*Executor)
+	}
+	// An Executor is used for processing Taskfile(s) and executing the task(s)
+	// within them.
+	Executor struct {
+		// Flags
+		Dir                 string
+		Entrypoint          string
+		TempDir             TempDir
+		Force               bool
+		ForceAll            bool
+		Insecure            bool
+		Download            bool
+		Offline             bool
+		Timeout             time.Duration
+		CacheExpiryDuration time.Duration
+		Watch               bool
+		Verbose             bool
+		Silent              bool
+		AssumeYes           bool
+		AssumeTerm          bool // Used for testing
+		Dry                 bool
+		Summary             bool
+		Parallel            bool
+		Color               bool
+		Concurrency         int
+		Interval            time.Duration
+
+		// I/O
+		Stdin  io.Reader
+		Stdout io.Writer
+		Stderr io.Writer
+
+		// Internal
+		Taskfile           *ast.Taskfile
+		Logger             *logger.Logger
+		Compiler           *Compiler
+		Output             output.Output
+		OutputStyle        ast.Output
+		TaskSorter         sort.Sorter
+		UserWorkingDir     string
+		EnableVersionCheck bool
+
+		fuzzyModel *fuzzy.Model
+
+		concurrencySemaphore chan struct{}
+		taskCallCount        map[string]*int32
+		mkdirMutexMap        map[string]*sync.Mutex
+		executionHashes      map[string]context.Context
+		executionHashesMutex sync.Mutex
+		watchedDirs          *xsync.MapOf[string, bool]
+	}
+	TempDir struct {
+		Remote      string
+		Fingerprint string
+	}
+)
+
+// NewExecutor creates a new [Executor] and applies the given functional options
+// to it.
+func NewExecutor(opts ...ExecutorOption) *Executor {
+	e := &Executor{
+		Timeout:              time.Second * 10,
+		Stdin:                os.Stdin,
+		Stdout:               os.Stdout,
+		Stderr:               os.Stderr,
+		Logger:               nil,
+		Compiler:             nil,
+		Output:               nil,
+		OutputStyle:          ast.Output{},
+		TaskSorter:           sort.AlphaNumericWithRootTasksFirst,
+		UserWorkingDir:       "",
+		fuzzyModel:           nil,
+		concurrencySemaphore: nil,
+		taskCallCount:        map[string]*int32{},
+		mkdirMutexMap:        map[string]*sync.Mutex{},
+		executionHashes:      map[string]context.Context{},
+		executionHashesMutex: sync.Mutex{},
+	}
+	e.Options(opts...)
+	return e
+}
+
+// Options loops through the given [ExecutorOption] functions and applies them
+// to the [Executor].
+func (e *Executor) Options(opts ...ExecutorOption) {
+	for _, opt := range opts {
+		opt.ApplyToExecutor(e)
+	}
+}
+
+// WithDir sets the working directory of the [Executor]. By default, the
+// directory is set to the user's current working directory.
+func WithDir(dir string) ExecutorOption {
+	return &dirOption{dir}
+}
+
+type dirOption struct {
+	dir string
+}
+
+func (o *dirOption) ApplyToExecutor(e *Executor) {
+	e.Dir = o.dir
+}
+
+// WithEntrypoint sets the entrypoint (main Taskfile) of the [Executor]. By
+// default, Task will search for one of the default Taskfiles in the given
+// directory.
+func WithEntrypoint(entrypoint string) ExecutorOption {
+	return &entrypointOption{entrypoint}
+}
+
+type entrypointOption struct {
+	entrypoint string
+}
+
+func (o *entrypointOption) ApplyToExecutor(e *Executor) {
+	e.Entrypoint = o.entrypoint
+}
+
+// WithTempDir sets the temporary directory that will be used by [Executor] for
+// storing temporary files like checksums and cached remote files. By default,
+// the temporary directory is set to the user's temporary directory.
+func WithTempDir(tempDir TempDir) ExecutorOption {
+	return &tempDirOption{tempDir}
+}
+
+type tempDirOption struct {
+	tempDir TempDir
+}
+
+func (o *tempDirOption) ApplyToExecutor(e *Executor) {
+	e.TempDir = o.tempDir
+}
+
+// WithForce ensures that the [Executor] always runs a task, even when
+// fingerprinting or prompts would normally stop it.
+func WithForce(force bool) ExecutorOption {
+	return &forceOption{force}
+}
+
+type forceOption struct {
+	force bool
+}
+
+func (o *forceOption) ApplyToExecutor(e *Executor) {
+	e.Force = o.force
+}
+
+// WithForceAll ensures that the [Executor] always runs all tasks (including
+// subtasks), even when fingerprinting or prompts would normally stop them.
+func WithForceAll(forceAll bool) ExecutorOption {
+	return &forceAllOption{forceAll}
+}
+
+type forceAllOption struct {
+	forceAll bool
+}
+
+func (o *forceAllOption) ApplyToExecutor(e *Executor) {
+	e.ForceAll = o.forceAll
+}
+
+// WithInsecure allows the [Executor] to make insecure connections when reading
+// remote taskfiles. By default, insecure connections are rejected.
+func WithInsecure(insecure bool) ExecutorOption {
+	return &insecureOption{insecure}
+}
+
+type insecureOption struct {
+	insecure bool
+}
+
+func (o *insecureOption) ApplyToExecutor(e *Executor) {
+	e.Insecure = o.insecure
+}
+
+// WithDownload forces the [Executor] to download a fresh copy of the taskfile
+// from the remote source.
+func WithDownload(download bool) ExecutorOption {
+	return &downloadOption{download}
+}
+
+type downloadOption struct {
+	download bool
+}
+
+func (o *downloadOption) ApplyToExecutor(e *Executor) {
+	e.Download = o.download
+}
+
+// WithOffline stops the [Executor] from being able to make network connections.
+// It will still be able to read local files and cached copies of remote files.
+func WithOffline(offline bool) ExecutorOption {
+	return &offlineOption{offline}
+}
+
+type offlineOption struct {
+	offline bool
+}
+
+func (o *offlineOption) ApplyToExecutor(e *Executor) {
+	e.Offline = o.offline
+}
+
+// WithTimeout sets the [Executor]'s timeout for fetching remote taskfiles. By
+// default, the timeout is set to 10 seconds.
+func WithTimeout(timeout time.Duration) ExecutorOption {
+	return &timeoutOption{timeout}
+}
+
+type timeoutOption struct {
+	timeout time.Duration
+}
+
+func (o *timeoutOption) ApplyToExecutor(e *Executor) {
+	e.Timeout = o.timeout
+}
+
+// WithCacheExpiryDuration sets the duration after which the cache is considered
+// expired. By default, the cache is 0 (disabled).
+func WithCacheExpiryDuration(duration time.Duration) ExecutorOption {
+	return &cacheExpiryDurationOption{duration: duration}
+}
+
+type cacheExpiryDurationOption struct {
+	duration time.Duration
+}
+
+func (o *cacheExpiryDurationOption) ApplyToExecutor(r *Executor) {
+	r.CacheExpiryDuration = o.duration
+}
+
+// WithWatch tells the [Executor] to keep running in the background and watch
+// for changes to the fingerprint of the tasks that are run. When changes are
+// detected, a new task run is triggered.
+func WithWatch(watch bool) ExecutorOption {
+	return &watchOption{watch}
+}
+
+type watchOption struct {
+	watch bool
+}
+
+func (o *watchOption) ApplyToExecutor(e *Executor) {
+	e.Watch = o.watch
+}
+
+// WithVerbose tells the [Executor] to output more information about the tasks
+// that are run.
+func WithVerbose(verbose bool) ExecutorOption {
+	return &verboseOption{verbose}
+}
+
+type verboseOption struct {
+	verbose bool
+}
+
+func (o *verboseOption) ApplyToExecutor(e *Executor) {
+	e.Verbose = o.verbose
+}
+
+// WithSilent tells the [Executor] to suppress all output except for the output
+// of the tasks that are run.
+func WithSilent(silent bool) ExecutorOption {
+	return &silentOption{silent}
+}
+
+type silentOption struct {
+	silent bool
+}
+
+func (o *silentOption) ApplyToExecutor(e *Executor) {
+	e.Silent = o.silent
+}
+
+// WithAssumeYes tells the [Executor] to assume "yes" for all prompts.
+func WithAssumeYes(assumeYes bool) ExecutorOption {
+	return &assumeYesOption{assumeYes}
+}
+
+type assumeYesOption struct {
+	assumeYes bool
+}
+
+func (o *assumeYesOption) ApplyToExecutor(e *Executor) {
+	e.AssumeYes = o.assumeYes
+}
+
+// WithAssumeTerm is used for testing purposes to simulate a terminal.
+func WithAssumeTerm(assumeTerm bool) ExecutorOption {
+	return &assumeTermOption{assumeTerm}
+}
+
+type assumeTermOption struct {
+	assumeTerm bool
+}
+
+func (o *assumeTermOption) ApplyToExecutor(e *Executor) {
+	e.AssumeTerm = o.assumeTerm
+}
+
+// WithDry tells the [Executor] to output the commands that would be run without
+// actually running them.
+func WithDry(dry bool) ExecutorOption {
+	return &dryOption{dry}
+}
+
+type dryOption struct {
+	dry bool
+}
+
+func (o *dryOption) ApplyToExecutor(e *Executor) {
+	e.Dry = o.dry
+}
+
+// WithSummary tells the [Executor] to output a summary of the given tasks
+// instead of running them.
+func WithSummary(summary bool) ExecutorOption {
+	return &summaryOption{summary}
+}
+
+type summaryOption struct {
+	summary bool
+}
+
+func (o *summaryOption) ApplyToExecutor(e *Executor) {
+	e.Summary = o.summary
+}
+
+// WithParallel tells the [Executor] to run tasks given in the same call in
+// parallel.
+func WithParallel(parallel bool) ExecutorOption {
+	return &parallelOption{parallel}
+}
+
+type parallelOption struct {
+	parallel bool
+}
+
+func (o *parallelOption) ApplyToExecutor(e *Executor) {
+	e.Parallel = o.parallel
+}
+
+// WithColor tells the [Executor] whether or not to output using colorized
+// strings.
+func WithColor(color bool) ExecutorOption {
+	return &colorOption{color}
+}
+
+type colorOption struct {
+	color bool
+}
+
+func (o *colorOption) ApplyToExecutor(e *Executor) {
+	e.Color = o.color
+}
+
+// WithConcurrency sets the maximum number of tasks that the [Executor] can run
+// in parallel.
+func WithConcurrency(concurrency int) ExecutorOption {
+	return &concurrencyOption{concurrency}
+}
+
+type concurrencyOption struct {
+	concurrency int
+}
+
+func (o *concurrencyOption) ApplyToExecutor(e *Executor) {
+	e.Concurrency = o.concurrency
+}
+
+// WithInterval sets the interval at which the [Executor] will wait for
+// duplicated events before running a task.
+func WithInterval(interval time.Duration) ExecutorOption {
+	return &intervalOption{interval}
+}
+
+type intervalOption struct {
+	interval time.Duration
+}
+
+func (o *intervalOption) ApplyToExecutor(e *Executor) {
+	e.Interval = o.interval
+}
+
+// WithOutputStyle sets the output style of the [Executor]. By default, the
+// output style is set to the style defined in the Taskfile.
+func WithOutputStyle(outputStyle ast.Output) ExecutorOption {
+	return &outputStyleOption{outputStyle}
+}
+
+type outputStyleOption struct {
+	outputStyle ast.Output
+}
+
+func (o *outputStyleOption) ApplyToExecutor(e *Executor) {
+	e.OutputStyle = o.outputStyle
+}
+
+// WithTaskSorter sets the sorter that the [Executor] will use to sort tasks. By
+// default, the sorter is set to sort tasks alphabetically, but with tasks with
+// no namespace (in the root Taskfile) first.
+func WithTaskSorter(sorter sort.Sorter) ExecutorOption {
+	return &taskSorterOption{sorter}
+}
+
+type taskSorterOption struct {
+	sorter sort.Sorter
+}
+
+func (o *taskSorterOption) ApplyToExecutor(e *Executor) {
+	e.TaskSorter = o.sorter
+}
+
+// WithStdin sets the [Executor]'s standard input [io.Reader].
+func WithStdin(stdin io.Reader) ExecutorOption {
+	return &stdinOption{stdin}
+}
+
+type stdinOption struct {
+	stdin io.Reader
+}
+
+func (o *stdinOption) ApplyToExecutor(e *Executor) {
+	e.Stdin = o.stdin
+}
+
+// WithStdout sets the [Executor]'s standard output [io.Writer].
+func WithStdout(stdout io.Writer) ExecutorOption {
+	return &stdoutOption{stdout}
+}
+
+type stdoutOption struct {
+	stdout io.Writer
+}
+
+func (o *stdoutOption) ApplyToExecutor(e *Executor) {
+	e.Stdout = o.stdout
+}
+
+// WithStderr sets the [Executor]'s standard error [io.Writer].
+func WithStderr(stderr io.Writer) ExecutorOption {
+	return &stderrOption{stderr}
+}
+
+type stderrOption struct {
+	stderr io.Writer
+}
+
+func (o *stderrOption) ApplyToExecutor(e *Executor) {
+	e.Stderr = o.stderr
+}
+
+// WithIO sets the [Executor]'s standard input, output, and error to the same
+// [io.ReadWriter].
+func WithIO(rw io.ReadWriter) ExecutorOption {
+	return &ioOption{rw}
+}
+
+type ioOption struct {
+	rw io.ReadWriter
+}
+
+func (o *ioOption) ApplyToExecutor(e *Executor) {
+	e.Stdin = o.rw
+	e.Stdout = o.rw
+	e.Stderr = o.rw
+}
+
+// WithVersionCheck tells the [Executor] whether or not to check the version of
+func WithVersionCheck(enableVersionCheck bool) ExecutorOption {
+	return &versionCheckOption{enableVersionCheck}
+}
+
+type versionCheckOption struct {
+	enableVersionCheck bool
+}
+
+func (o *versionCheckOption) ApplyToExecutor(e *Executor) {
+	e.EnableVersionCheck = o.enableVersionCheck
+}

executor_test.go

@@ -0,0 +1,989 @@
+package task_test
+
+import (
+	"bytes"
+	"cmp"
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/sebdah/goldie/v2"
+	"github.com/stretchr/testify/require"
+
+	"github.com/go-task/task/v3"
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/taskfile/ast"
+)
+
+type (
+	// A ExecutorTestOption is a function that configures an [ExecutorTest].
+	ExecutorTestOption interface {
+		applyToExecutorTest(*ExecutorTest)
+	}
+	// A ExecutorTest is a test wrapper around a [task.Executor] to make it easy
+	// to write tests for tasks. See [NewExecutorTest] for information on
+	// creating and running ExecutorTests. These tests use fixture files to
+	// assert whether the result of a task is correct. If Task's behavior has
+	// been changed, the fixture files can be updated by running `task
+	// gen:fixtures`.
+	ExecutorTest struct {
+		TaskTest
+		task            string
+		vars            map[string]any
+		input           string
+		executorOpts    []task.ExecutorOption
+		wantSetupError  bool
+		wantRunError    bool
+		wantStatusError bool
+	}
+)
+
+// NewExecutorTest sets up a new [task.Executor] with the given options and runs
+// a task with the given [ExecutorTestOption]s. The output of the task is
+// written to a set of fixture files depending on the configuration of the test.
+func NewExecutorTest(t *testing.T, opts ...ExecutorTestOption) {
+	t.Helper()
+	tt := &ExecutorTest{
+		task: "default",
+		vars: map[string]any{},
+		TaskTest: TaskTest{
+			experiments:         map[*experiments.Experiment]int{},
+			fixtureTemplateData: map[string]any{},
+		},
+	}
+	// Apply the functional options
+	for _, opt := range opts {
+		opt.applyToExecutorTest(tt)
+	}
+	// Enable any experiments that have been set
+	for x, v := range tt.experiments {
+		prev := *x
+		*x = experiments.Experiment{
+			Name:          prev.Name,
+			AllowedValues: []int{v},
+			Value:         v,
+		}
+		t.Cleanup(func() {
+			*x = prev
+		})
+	}
+	tt.run(t)
+}
+
+// Functional options
+
+// WithInput tells the test to create a reader with the given input. This can be
+// used to simulate user input when a task requires it.
+func WithInput(input string) ExecutorTestOption {
+	return &inputTestOption{input}
+}
+
+type inputTestOption struct {
+	input string
+}
+
+func (opt *inputTestOption) applyToExecutorTest(t *ExecutorTest) {
+	t.input = opt.input
+}
+
+// WithRunError tells the test to expect an error during the run phase of the
+// task execution. A fixture will be created with the output of any errors.
+func WithRunError() ExecutorTestOption {
+	return &runErrorTestOption{}
+}
+
+type runErrorTestOption struct{}
+
+func (opt *runErrorTestOption) applyToExecutorTest(t *ExecutorTest) {
+	t.wantRunError = true
+}
+
+// WithStatusError tells the test to make an additional call to
+// [task.Executor.Status] after the task has been run. A fixture will be created
+// with the output of any errors.
+func WithStatusError() ExecutorTestOption {
+	return &statusErrorTestOption{}
+}
+
+type statusErrorTestOption struct{}
+
+func (opt *statusErrorTestOption) applyToExecutorTest(t *ExecutorTest) {
+	t.wantStatusError = true
+}
+
+// Helpers
+
+// writeFixtureErrRun is a wrapper for writing the output of an error during the
+// run phase of the task to a fixture file.
+func (tt *ExecutorTest) writeFixtureErrRun(
+	t *testing.T,
+	g *goldie.Goldie,
+	err error,
+) {
+	t.Helper()
+	tt.writeFixture(t, g, "err-run", []byte(err.Error()))
+}
+
+// writeFixtureStatus is a wrapper for writing the output of an error when
+// making an additional call to [task.Executor.Status] to a fixture file.
+func (tt *ExecutorTest) writeFixtureStatus(
+	t *testing.T,
+	g *goldie.Goldie,
+	status string,
+) {
+	t.Helper()
+	tt.writeFixture(t, g, "err-status", []byte(status))
+}
+
+// run is the main function for running the test. It sets up the task executor,
+// runs the task, and writes the output to a fixture file.
+func (tt *ExecutorTest) run(t *testing.T) {
+	t.Helper()
+	f := func(t *testing.T) {
+		t.Helper()
+		var buf bytes.Buffer
+
+		opts := append(
+			tt.executorOpts,
+			task.WithStdout(&buf),
+			task.WithStderr(&buf),
+		)
+
+		// If the test has input, create a reader for it and add it to the
+		// executor options
+		if tt.input != "" {
+			var reader bytes.Buffer
+			reader.WriteString(tt.input)
+			opts = append(opts, task.WithStdin(&reader))
+		}
+
+		// Set up the task executor
+		e := task.NewExecutor(opts...)
+
+		// Create a golden fixture file for the output
+		g := goldie.New(t,
+			goldie.WithFixtureDir(filepath.Join(e.Dir, "testdata")),
+		)
+
+		// Call setup and check for errors
+		if err := e.Setup(); tt.wantSetupError {
+			require.Error(t, err)
+			tt.writeFixtureErrSetup(t, g, err)
+			tt.writeFixtureBuffer(t, g, buf)
+			return
+		} else {
+			require.NoError(t, err)
+		}
+
+		// Create the task call
+		vars := ast.NewVars()
+		for key, value := range tt.vars {
+			vars.Set(key, ast.Var{Value: value})
+		}
+		call := &task.Call{
+			Task: tt.task,
+			Vars: vars,
+		}
+
+		// Run the task and check for errors
+		ctx := t.Context()
+		if err := e.Run(ctx, call); tt.wantRunError {
+			require.Error(t, err)
+			tt.writeFixtureErrRun(t, g, err)
+			tt.writeFixtureBuffer(t, g, buf)
+			return
+		} else {
+			require.NoError(t, err)
+		}
+
+		// If the status flag is set, run the status check
+		if tt.wantStatusError {
+			if err := e.Status(ctx, call); err != nil {
+				tt.writeFixtureStatus(t, g, err.Error())
+			}
+		}
+
+		tt.writeFixtureBuffer(t, g, buf)
+	}
+
+	// Run the test (with a name if it has one)
+	if tt.name != "" {
+		t.Run(tt.name, f)
+	} else {
+		f(t)
+	}
+}
+
+func TestEmptyTask(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/empty_task"),
+		),
+	)
+}
+
+func TestEmptyTaskfile(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/empty_taskfile"),
+		),
+		WithSetupError(),
+		WithFixtureTemplating(),
+	)
+}
+
+func TestEnv(t *testing.T) {
+	t.Setenv("QUX", "from_os")
+	NewExecutorTest(t,
+		WithName("env precedence disabled"),
+		WithExecutorOptions(
+			task.WithDir("testdata/env"),
+			task.WithSilent(true),
+		),
+	)
+	NewExecutorTest(t,
+		WithName("env precedence enabled"),
+		WithExecutorOptions(
+			task.WithDir("testdata/env"),
+			task.WithSilent(true),
+		),
+		WithExperiment(&experiments.EnvPrecedence, 1),
+	)
+}
+
+func TestVars(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/vars"),
+			task.WithSilent(true),
+		),
+	)
+}
+
+func TestRequires(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithName("required var missing"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("missing-var"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("required var ok"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("missing-var"),
+		WithVar("FOO", "bar"),
+	)
+	NewExecutorTest(t,
+		WithName("fails validation"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("validation-var"),
+		WithVar("ENV", "dev"),
+		WithVar("FOO", "bar"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("passes validation"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("validation-var"),
+		WithVar("FOO", "one"),
+		WithVar("ENV", "dev"),
+	)
+	NewExecutorTest(t,
+		WithName("required var missing + fails validation"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("validation-var"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("required var missing + fails validation"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("validation-var-dynamic"),
+		WithVar("FOO", "one"),
+		WithVar("ENV", "dev"),
+	)
+	NewExecutorTest(t,
+		WithName("require before compile"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("require-before-compile"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("var defined in task"),
+		WithExecutorOptions(
+			task.WithDir("testdata/requires"),
+		),
+		WithTask("var-defined-in-task"),
+	)
+}
+
+// TODO: mock fs
+func TestSpecialVars(t *testing.T) {
+	t.Parallel()
+
+	const dir = "testdata/special_vars"
+	const subdir = "testdata/special_vars/subdir"
+
+	tests := []string{
+		// Root
+		"print-task",
+		"print-root-dir",
+		"print-taskfile",
+		"print-taskfile-dir",
+		"print-task-dir",
+		// Included
+		"included:print-task",
+		"included:print-root-dir",
+		"included:print-taskfile",
+		"included:print-taskfile-dir",
+	}
+
+	for _, dir := range []string{dir, subdir} {
+		for _, test := range tests {
+			NewExecutorTest(t,
+				WithName(fmt.Sprintf("%s-%s", dir, test)),
+				WithExecutorOptions(
+					task.WithDir(dir),
+					task.WithSilent(true),
+					task.WithVersionCheck(true),
+				),
+				WithTask(test),
+				WithFixtureTemplating(),
+			)
+		}
+	}
+}
+
+func TestConcurrency(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/concurrency"),
+			task.WithConcurrency(1),
+		),
+		WithPostProcessFn(PPSortedLines),
+	)
+}
+
+func TestParams(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/params"),
+			task.WithSilent(true),
+		),
+		WithPostProcessFn(PPSortedLines),
+	)
+}
+
+func TestDeps(t *testing.T) {
+	t.Parallel()
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/deps"),
+			task.WithSilent(true),
+		),
+		WithPostProcessFn(PPSortedLines),
+	)
+}
+
+// TODO: mock fs
+func TestStatus(t *testing.T) {
+	t.Parallel()
+
+	const dir = "testdata/status"
+
+	files := []string{
+		"foo.txt",
+		"bar.txt",
+		"baz.txt",
+	}
+
+	for _, f := range files {
+		path := filepathext.SmartJoin(dir, f)
+		_ = os.Remove(path)
+		if _, err := os.Stat(path); err == nil {
+			t.Errorf("File should not exist: %v", err)
+		}
+	}
+
+	// gen-foo creates foo.txt, and will always fail it's status check.
+	NewExecutorTest(t,
+		WithName("run gen-foo 1 silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-foo"),
+	)
+	// gen-foo creates bar.txt, and will pass its status-check the 3. time it
+	// is run. It creates bar.txt, but also lists it as its source. So, the checksum
+	// for the file won't match before after the second run as we the file
+	// only exists after the first run.
+	NewExecutorTest(t,
+		WithName("run gen-bar 1 silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-bar"),
+	)
+	// gen-silent-baz is marked as being silent, and should only produce output
+	// if e.Verbose is set to true.
+	NewExecutorTest(t,
+		WithName("run gen-baz silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-silent-baz"),
+	)
+
+	for _, f := range files {
+		if _, err := os.Stat(filepathext.SmartJoin(dir, f)); err != nil {
+			t.Errorf("File should exist: %v", err)
+		}
+	}
+
+	// Run gen-bar a second time to produce a checksum file that matches bar.txt
+	NewExecutorTest(t,
+		WithName("run gen-bar 2 silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-bar"),
+	)
+	// Run gen-bar a third time, to make sure we've triggered the status check.
+	NewExecutorTest(t,
+		WithName("run gen-bar 3 silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-bar"),
+	)
+
+	// Now, let's remove source file, and run the task again to to prepare
+	// for the next test.
+	err := os.Remove(filepathext.SmartJoin(dir, "bar.txt"))
+	require.NoError(t, err)
+	NewExecutorTest(t,
+		WithName("run gen-bar 4 silent"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithSilent(true),
+		),
+		WithTask("gen-bar"),
+	)
+	// all: not up-to-date
+	NewExecutorTest(t,
+		WithName("run gen-foo 2"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-foo"),
+	)
+	// status: not up-to-date
+	NewExecutorTest(t,
+		WithName("run gen-foo 3"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-foo"),
+	)
+	// sources: not up-to-date
+	NewExecutorTest(t,
+		WithName("run gen-bar 5"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-bar"),
+	)
+	// all: up-to-date
+	NewExecutorTest(t,
+		WithName("run gen-bar 6"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-bar"),
+	)
+	// sources: not up-to-date, no output produced.
+	NewExecutorTest(t,
+		WithName("run gen-baz 2"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-silent-baz"),
+	)
+	// up-to-date, no output produced
+	NewExecutorTest(t,
+		WithName("run gen-baz 3"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("gen-silent-baz"),
+	)
+	// up-to-date, output produced due to Verbose mode.
+	NewExecutorTest(t,
+		WithName("run gen-baz 4 verbose"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+			task.WithVerbose(true),
+		),
+		WithTask("gen-silent-baz"),
+		WithFixtureTemplating(),
+	)
+}
+
+func TestPrecondition(t *testing.T) {
+	t.Parallel()
+	const dir = "testdata/precondition"
+	NewExecutorTest(t,
+		WithName("a precondition has been met"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("foo"),
+	)
+	NewExecutorTest(t,
+		WithName("a precondition was not met"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("impossible"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("precondition in dependency fails the task"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("depends_on_impossible"),
+		WithRunError(),
+	)
+	NewExecutorTest(t,
+		WithName("precondition in cmd fails the task"),
+		WithExecutorOptions(
+			task.WithDir(dir),
+		),
+		WithTask("executes_failing_task_as_cmd"),
+		WithRunError(),
+	)
+}
+
+func TestAlias(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithName("alias"),
+		WithExecutorOptions(
+			task.WithDir("testdata/alias"),
+		),
+		WithTask("f"),
+	)
+
+	NewExecutorTest(t,
+		WithName("duplicate alias"),
+		WithExecutorOptions(
+			task.WithDir("testdata/alias"),
+		),
+		WithTask("x"),
+		WithRunError(),
+	)
+
+	NewExecutorTest(t,
+		WithName("alias summary"),
+		WithExecutorOptions(
+			task.WithDir("testdata/alias"),
+			task.WithSummary(true),
+		),
+		WithTask("f"),
+	)
+}
+
+func TestLabel(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithName("up to date"),
+		WithExecutorOptions(
+			task.WithDir("testdata/label_uptodate"),
+		),
+		WithTask("foo"),
+	)
+
+	NewExecutorTest(t,
+		WithName("summary"),
+		WithExecutorOptions(
+			task.WithDir("testdata/label_summary"),
+			task.WithSummary(true),
+		),
+		WithTask("foo"),
+	)
+
+	NewExecutorTest(t,
+		WithName("status"),
+		WithExecutorOptions(
+			task.WithDir("testdata/label_status"),
+		),
+		WithTask("foo"),
+		WithStatusError(),
+	)
+
+	NewExecutorTest(t,
+		WithName("var"),
+		WithExecutorOptions(
+			task.WithDir("testdata/label_var"),
+		),
+		WithTask("foo"),
+	)
+
+	NewExecutorTest(t,
+		WithName("label in summary"),
+		WithExecutorOptions(
+			task.WithDir("testdata/label_summary"),
+		),
+		WithTask("foo"),
+	)
+}
+
+func TestPromptInSummary(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name      string
+		input     string
+		wantError bool
+	}{
+		{"test short approval", "y\n", false},
+		{"test long approval", "yes\n", false},
+		{"test uppercase approval", "Y\n", false},
+		{"test stops task", "n\n", true},
+		{"test junk value stops task", "foobar\n", true},
+		{"test Enter stops task", "\n", true},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			t.Parallel()
+
+			opts := []ExecutorTestOption{
+				WithName(test.name),
+				WithExecutorOptions(
+					task.WithDir("testdata/prompt"),
+					task.WithAssumeTerm(true),
+				),
+				WithTask("foo"),
+				WithInput(test.input),
+			}
+			if test.wantError {
+				opts = append(opts, WithRunError())
+			}
+			NewExecutorTest(t, opts...)
+		})
+	}
+}
+
+func TestPromptWithIndirectTask(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/prompt"),
+			task.WithAssumeTerm(true),
+		),
+		WithTask("bar"),
+		WithInput("y\n"),
+	)
+}
+
+func TestPromptAssumeYes(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithName("--yes flag should skip prompt"),
+		WithExecutorOptions(
+			task.WithDir("testdata/prompt"),
+			task.WithAssumeTerm(true),
+			task.WithAssumeYes(true),
+		),
+		WithTask("foo"),
+		WithInput("\n"),
+	)
+
+	NewExecutorTest(t,
+		WithName("task should raise errors.TaskCancelledError"),
+		WithExecutorOptions(
+			task.WithDir("testdata/prompt"),
+			task.WithAssumeTerm(true),
+		),
+		WithTask("foo"),
+		WithInput("\n"),
+		WithRunError(),
+	)
+}
+
+func TestForCmds(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		wantErr bool
+	}{
+		{name: "loop-explicit"},
+		{name: "loop-matrix"},
+		{name: "loop-matrix-ref"},
+		{
+			name:    "loop-matrix-ref-error",
+			wantErr: true,
+		},
+		{name: "loop-sources"},
+		{name: "loop-sources-glob"},
+		{name: "loop-generates"},
+		{name: "loop-generates-glob"},
+		{name: "loop-vars"},
+		{name: "loop-vars-sh"},
+		{name: "loop-task"},
+		{name: "loop-task-as"},
+		{name: "loop-different-tasks"},
+	}
+
+	for _, test := range tests {
+		opts := []ExecutorTestOption{
+			WithName(test.name),
+			WithExecutorOptions(
+				task.WithDir("testdata/for/cmds"),
+				task.WithSilent(true),
+				task.WithForce(true),
+			),
+			WithTask(test.name),
+			WithFixtureTemplating(),
+		}
+		if test.wantErr {
+			opts = append(opts, WithRunError())
+		}
+		NewExecutorTest(t, opts...)
+	}
+}
+
+func TestForDeps(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name    string
+		wantErr bool
+	}{
+		{name: "loop-explicit"},
+		{name: "loop-matrix"},
+		{name: "loop-matrix-ref"},
+		{
+			name:    "loop-matrix-ref-error",
+			wantErr: true,
+		},
+		{name: "loop-sources"},
+		{name: "loop-sources-glob"},
+		{name: "loop-generates"},
+		{name: "loop-generates-glob"},
+		{name: "loop-vars"},
+		{name: "loop-vars-sh"},
+		{name: "loop-task"},
+		{name: "loop-task-as"},
+		{name: "loop-different-tasks"},
+	}
+
+	for _, test := range tests {
+		opts := []ExecutorTestOption{
+			WithName(test.name),
+			WithExecutorOptions(
+				task.WithDir("testdata/for/deps"),
+				task.WithSilent(true),
+				task.WithForce(true),
+				// Force output of each dep to be grouped together to prevent interleaving
+				task.WithOutputStyle(ast.Output{Name: "group"}),
+			),
+			WithTask(test.name),
+			WithFixtureTemplating(),
+			WithPostProcessFn(PPSortedLines),
+		}
+		if test.wantErr {
+			opts = append(opts, WithRunError())
+		}
+		NewExecutorTest(t, opts...)
+	}
+}
+
+func TestReference(t *testing.T) {
+	t.Parallel()
+
+	tests := []struct {
+		name string
+		call string
+	}{
+		{
+			name: "reference in command",
+			call: "ref-cmd",
+		},
+		{
+			name: "reference in dependency",
+			call: "ref-dep",
+		},
+		{
+			name: "reference using templating resolver",
+			call: "ref-resolver",
+		},
+		{
+			name: "reference using templating resolver and dynamic var",
+			call: "ref-resolver-sh",
+		},
+	}
+
+	for _, test := range tests {
+		NewExecutorTest(t,
+			WithName(test.name),
+			WithExecutorOptions(
+				task.WithDir("testdata/var_references"),
+				task.WithSilent(true),
+				task.WithForce(true),
+			),
+			WithTask(cmp.Or(test.call, "default")),
+		)
+	}
+}
+
+func TestVarInheritance(t *testing.T) {
+	enableExperimentForTest(t, &experiments.EnvPrecedence, 1)
+	tests := []struct {
+		name string
+		call string
+	}{
+		{name: "shell"},
+		{name: "entrypoint-global-dotenv"},
+		{name: "entrypoint-global-vars"},
+		// We can't send env vars to a called task, so the env var is not overridden
+		{name: "entrypoint-task-call-vars"},
+		// Dotenv doesn't set variables
+		{name: "entrypoint-task-call-dotenv"},
+		{name: "entrypoint-task-call-task-vars"},
+		// Dotenv doesn't set variables
+		{name: "entrypoint-task-dotenv"},
+		{name: "entrypoint-task-vars"},
+		// {
+		// 	// Dotenv not currently allowed in included taskfiles
+		// 	name: "included-global-dotenv",
+		// 	want: "included-global-dotenv\nincluded-global-dotenv\n",
+		// },
+		{
+			name: "included-global-vars",
+			call: "included",
+		},
+		{
+			// We can't send env vars to a called task, so the env var is not overridden
+			name: "included-task-call-vars",
+			call: "included",
+		},
+		{
+			// Dotenv doesn't set variables
+			// Dotenv not currently allowed in included taskfiles (but doesn't error in a task)
+			name: "included-task-call-dotenv",
+			call: "included",
+		},
+		{
+			name: "included-task-call-task-vars",
+			call: "included",
+		},
+		{
+			// Dotenv doesn't set variables
+			// Somehow dotenv is working here!
+			name: "included-task-dotenv",
+			call: "included",
+		},
+		{
+			name: "included-task-vars",
+			call: "included",
+		},
+	}
+
+	t.Setenv("VAR", "shell")
+	t.Setenv("ENV", "shell")
+	for _, test := range tests {
+		NewExecutorTest(t,
+			WithName(test.name),
+			WithExecutorOptions(
+				task.WithDir(fmt.Sprintf("testdata/var_inheritance/v3/%s", test.name)),
+				task.WithSilent(true),
+				task.WithForce(true),
+			),
+			WithTask(cmp.Or(test.call, "default")),
+		)
+	}
+}
+
+func TestFuzzyModel(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithName("fuzzy"),
+		WithExecutorOptions(
+			task.WithDir("testdata/fuzzy"),
+		),
+		WithTask("instal"),
+		WithRunError(),
+	)
+
+	NewExecutorTest(t,
+		WithName("not-fuzzy"),
+		WithExecutorOptions(
+			task.WithDir("testdata/fuzzy"),
+		),
+		WithTask("install"),
+	)
+
+	NewExecutorTest(t,
+		WithName("intern"),
+		WithExecutorOptions(
+			task.WithDir("testdata/fuzzy"),
+		),
+		WithTask("intern"),
+		WithRunError(),
+	)
+}
+
+func TestIncludeChecksum(t *testing.T) {
+	t.Parallel()
+
+	NewExecutorTest(t,
+		WithName("correct"),
+		WithExecutorOptions(
+			task.WithDir("testdata/includes_checksum/correct"),
+		),
+	)
+
+	NewExecutorTest(t,
+		WithName("incorrect"),
+		WithExecutorOptions(
+			task.WithDir("testdata/includes_checksum/incorrect"),
+		),
+		WithSetupError(),
+		WithFixtureTemplating(),
+	)
+}

experiments/errors.go

@@ -0,0 +1,35 @@
+package experiments
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"github.com/go-task/task/v3/internal/slicesext"
+)
+
+type InvalidValueError struct {
+	Name          string
+	AllowedValues []int
+	Value         int
+}
+
+func (err InvalidValueError) Error() string {
+	return fmt.Sprintf(
+		"task: Experiment %q has an invalid value %q (allowed values: %s)",
+		err.Name,
+		err.Value,
+		strings.Join(slicesext.Convert(err.AllowedValues, strconv.Itoa), ", "),
+	)
+}
+
+type InactiveError struct {
+	Name string
+}
+
+func (err InactiveError) Error() string {
+	return fmt.Sprintf(
+		"task: Experiment %q is inactive and cannot be enabled",
+		err.Name,
+	)
+}

experiments/experiment.go

@@ -0,0 +1,67 @@
+package experiments
+
+import (
+	"fmt"
+	"slices"
+	"strconv"
+
+	"github.com/go-task/task/v3/taskrc/ast"
+)
+
+type Experiment struct {
+	Name          string // The name of the experiment.
+	AllowedValues []int  // The values that can enable this experiment.
+	Value         int    // The version of the experiment that is enabled.
+}
+
+// New creates a new experiment with the given name and sets the values that can
+// enable it.
+func New(xName string, config *ast.TaskRC, allowedValues ...int) Experiment {
+	var value int
+	if config != nil {
+		value = config.Experiments[xName]
+	}
+
+	if value == 0 {
+		value, _ = strconv.Atoi(getEnv(xName))
+	}
+
+	x := Experiment{
+		Name:          xName,
+		AllowedValues: allowedValues,
+		Value:         value,
+	}
+	xList = append(xList, x)
+	return x
+}
+
+func (x Experiment) Enabled() bool {
+	return slices.Contains(x.AllowedValues, x.Value)
+}
+
+func (x Experiment) Active() bool {
+	return len(x.AllowedValues) > 0
+}
+
+func (x Experiment) Valid() error {
+	if !x.Active() && x.Value != 0 {
+		return &InactiveError{
+			Name: x.Name,
+		}
+	}
+	if !x.Enabled() && x.Value != 0 {
+		return &InvalidValueError{
+			Name:          x.Name,
+			AllowedValues: x.AllowedValues,
+			Value:         x.Value,
+		}
+	}
+	return nil
+}
+
+func (x Experiment) String() string {
+	if x.Enabled() {
+		return fmt.Sprintf("on (%d)", x.Value)
+	}
+	return "off"
+}

experiments/experiment_test.go

@@ -0,0 +1,140 @@
+package experiments_test
+
+import (
+	"strconv"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/taskrc/ast"
+)
+
+func TestNew(t *testing.T) {
+	const (
+		exampleExperiment    = "EXAMPLE"
+		exampleExperimentEnv = "TASK_X_EXAMPLE"
+	)
+	tests := []struct {
+		name          string
+		config        *ast.TaskRC
+		allowedValues []int
+		env           int
+		wantEnabled   bool
+		wantActive    bool
+		wantValid     error
+		wantValue     int
+	}{
+		{
+			name:        `[] allowed, env=""`,
+			wantEnabled: false,
+			wantActive:  false,
+		},
+		{
+			name:        `[] allowed, env="1"`,
+			env:         1,
+			wantEnabled: false,
+			wantActive:  false,
+			wantValid: &experiments.InactiveError{
+				Name: exampleExperiment,
+			},
+			wantValue: 1,
+		},
+		{
+			name:          `[1] allowed, env=""`,
+			allowedValues: []int{1},
+			wantEnabled:   false,
+			wantActive:    true,
+		},
+		{
+			name:          `[1] allowed, env="1"`,
+			allowedValues: []int{1},
+			env:           1,
+			wantEnabled:   true,
+			wantActive:    true,
+			wantValue:     1,
+		},
+		{
+			name:          `[1] allowed, env="2"`,
+			allowedValues: []int{1},
+			env:           2,
+			wantEnabled:   false,
+			wantActive:    true,
+			wantValid: &experiments.InvalidValueError{
+				Name:          exampleExperiment,
+				AllowedValues: []int{1},
+				Value:         2,
+			},
+			wantValue: 2,
+		},
+		{
+			name:          `[1, 2] allowed, env="1"`,
+			allowedValues: []int{1, 2},
+			env:           1,
+			wantEnabled:   true,
+			wantActive:    true,
+			wantValue:     1,
+		},
+		{
+			name:          `[1, 2] allowed, env="1"`,
+			allowedValues: []int{1, 2},
+			env:           2,
+			wantEnabled:   true,
+			wantActive:    true,
+			wantValue:     2,
+		},
+		{
+			name: `[1] allowed, config="1"`,
+			config: &ast.TaskRC{
+				Experiments: map[string]int{
+					exampleExperiment: 1,
+				},
+			},
+			allowedValues: []int{1},
+			wantEnabled:   true,
+			wantActive:    true,
+			wantValue:     1,
+		},
+		{
+			name: `[1] allowed, config="2"`,
+			config: &ast.TaskRC{
+				Experiments: map[string]int{
+					exampleExperiment: 2,
+				},
+			},
+			allowedValues: []int{1},
+			wantEnabled:   false,
+			wantActive:    true,
+			wantValid: &experiments.InvalidValueError{
+				Name:          exampleExperiment,
+				AllowedValues: []int{1},
+				Value:         2,
+			},
+			wantValue: 2,
+		},
+		{
+			name: `[1, 2] allowed, env="1", config="2"`,
+			config: &ast.TaskRC{
+				Experiments: map[string]int{
+					exampleExperiment: 2,
+				},
+			},
+			allowedValues: []int{1, 2},
+			env:           1,
+			wantEnabled:   true,
+			wantActive:    true,
+			wantValue:     2,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Setenv(exampleExperimentEnv, strconv.Itoa(tt.env))
+			x := experiments.New(exampleExperiment, tt.config, tt.allowedValues...)
+			assert.Equal(t, exampleExperiment, x.Name)
+			assert.Equal(t, tt.wantEnabled, x.Enabled())
+			assert.Equal(t, tt.wantActive, x.Active())
+			assert.Equal(t, tt.wantValid, x.Valid())
+			assert.Equal(t, tt.wantValue, x.Value)
+		})
+	}
+}

experiments/experiments.go

@@ -0,0 +1,91 @@
+package experiments
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/joho/godotenv"
+
+	"github.com/go-task/task/v3/taskrc"
+	"github.com/go-task/task/v3/taskrc/ast"
+)
+
+const envPrefix = "TASK_X_"
+
+// Active experiments.
+var (
+	GentleForce     Experiment
+	RemoteTaskfiles Experiment
+	EnvPrecedence   Experiment
+)
+
+// Inactive experiments. These are experiments that cannot be enabled, but are
+// preserved for error handling.
+var (
+	AnyVariables Experiment
+	MapVariables Experiment
+)
+
+// An internal list of all the initialized experiments used for iterating.
+var xList []Experiment
+
+func Parse(dir string) {
+	config, _ := taskrc.GetConfig(dir)
+
+	ParseWithConfig(dir, config)
+}
+
+func ParseWithConfig(dir string, config *ast.TaskRC) {
+	// Read any .env files
+	readDotEnv(dir)
+
+	// Initialize the experiments
+	GentleForce = New("GENTLE_FORCE", config, 1)
+	RemoteTaskfiles = New("REMOTE_TASKFILES", config, 1)
+	EnvPrecedence = New("ENV_PRECEDENCE", config, 1)
+	AnyVariables = New("ANY_VARIABLES", config)
+	MapVariables = New("MAP_VARIABLES", config)
+}
+
+// Validate checks if any experiments have been enabled while being inactive.
+// If one is found, the function returns an error.
+func Validate() error {
+	for _, x := range List() {
+		if err := x.Valid(); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func List() []Experiment {
+	return xList
+}
+
+func getEnv(xName string) string {
+	envName := fmt.Sprintf("%s%s", envPrefix, xName)
+	return os.Getenv(envName)
+}
+
+func getFilePath(filename, dir string) string {
+	if dir != "" {
+		return filepath.Join(dir, filename)
+	}
+	return filename
+}
+
+func readDotEnv(dir string) {
+	env, err := godotenv.Read(getFilePath(".env", dir))
+	if err != nil {
+		return
+	}
+
+	// If the env var is an experiment, set it.
+	for key, value := range env {
+		if strings.HasPrefix(key, envPrefix) {
+			os.Setenv(key, value)
+		}
+	}
+}

formatter_test.go

@@ -0,0 +1,235 @@
+package task_test
+
+import (
+	"bytes"
+	"path/filepath"
+	"testing"
+
+	"github.com/sebdah/goldie/v2"
+	"github.com/stretchr/testify/require"
+
+	"github.com/go-task/task/v3"
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/taskfile/ast"
+)
+
+type (
+	// A FormatterTestOption is a function that configures an [FormatterTest].
+	FormatterTestOption interface {
+		applyToFormatterTest(*FormatterTest)
+	}
+	// A FormatterTest is a test wrapper around a [task.Executor] to make it
+	// easy to write tests for the task formatter. See [NewFormatterTest] for
+	// information on creating and running FormatterTests. These tests use
+	// fixture files to assert whether the result of the output is correct. If
+	// Task's behavior has been changed, the fixture files can be updated by
+	// running `task gen:fixtures`.
+	FormatterTest struct {
+		TaskTest
+		task           string
+		vars           map[string]any
+		executorOpts   []task.ExecutorOption
+		listOptions    task.ListOptions
+		wantSetupError bool
+		wantListError  bool
+	}
+)
+
+// NewFormatterTest sets up a new [task.Executor] with the given options and
+// runs a task with the given [FormatterTestOption]s. The output of the task is
+// written to a set of fixture files depending on the configuration of the test.
+func NewFormatterTest(t *testing.T, opts ...FormatterTestOption) {
+	t.Helper()
+	tt := &FormatterTest{
+		task: "default",
+		vars: map[string]any{},
+		TaskTest: TaskTest{
+			experiments:         map[*experiments.Experiment]int{},
+			fixtureTemplateData: map[string]any{},
+		},
+	}
+	// Apply the functional options
+	for _, opt := range opts {
+		opt.applyToFormatterTest(tt)
+	}
+	// Enable any experiments that have been set
+	for x, v := range tt.experiments {
+		prev := *x
+		*x = experiments.Experiment{
+			Name:          prev.Name,
+			AllowedValues: []int{v},
+			Value:         v,
+		}
+		t.Cleanup(func() {
+			*x = prev
+		})
+	}
+	tt.run(t)
+}
+
+// Functional options
+
+// WithListOptions sets the list options for the formatter.
+func WithListOptions(opts task.ListOptions) FormatterTestOption {
+	return &listOptionsTestOption{opts}
+}
+
+type listOptionsTestOption struct {
+	listOptions task.ListOptions
+}
+
+func (opt *listOptionsTestOption) applyToFormatterTest(t *FormatterTest) {
+	t.listOptions = opt.listOptions
+}
+
+// WithListError tells the test to expect an error when running the formatter.
+// A fixture will be created with the output of any errors.
+func WithListError() FormatterTestOption {
+	return &listErrorTestOption{}
+}
+
+type listErrorTestOption struct{}
+
+func (opt *listErrorTestOption) applyToFormatterTest(t *FormatterTest) {
+	t.wantListError = true
+}
+
+// Helpers
+
+// writeFixtureErrList is a wrapper for writing the output of an error when
+// running the formatter to a fixture file.
+func (tt *FormatterTest) writeFixtureErrList(
+	t *testing.T,
+	g *goldie.Goldie,
+	err error,
+) {
+	t.Helper()
+	tt.writeFixture(t, g, "err-list", []byte(err.Error()))
+}
+
+// run is the main function for running the test. It sets up the task executor,
+// runs the task, and writes the output to a fixture file.
+func (tt *FormatterTest) run(t *testing.T) {
+	t.Helper()
+	f := func(t *testing.T) {
+		t.Helper()
+		var buf bytes.Buffer
+
+		opts := append(
+			tt.executorOpts,
+			task.WithStdout(&buf),
+			task.WithStderr(&buf),
+		)
+
+		// Set up the task executor
+		e := task.NewExecutor(opts...)
+
+		// Create a golden fixture file for the output
+		g := goldie.New(t,
+			goldie.WithFixtureDir(filepath.Join(e.Dir, "testdata")),
+		)
+
+		// Call setup and check for errors
+		if err := e.Setup(); tt.wantSetupError {
+			require.Error(t, err)
+			tt.writeFixtureErrSetup(t, g, err)
+			tt.writeFixtureBuffer(t, g, buf)
+			return
+		} else {
+			require.NoError(t, err)
+		}
+
+		// Create the task call
+		vars := ast.NewVars()
+		for key, value := range tt.vars {
+			vars.Set(key, ast.Var{Value: value})
+		}
+
+		// Run the formatter and check for errors
+		if _, err := e.ListTasks(tt.listOptions); tt.wantListError {
+			require.Error(t, err)
+			tt.writeFixtureErrList(t, g, err)
+			tt.writeFixtureBuffer(t, g, buf)
+			return
+		} else {
+			require.NoError(t, err)
+		}
+
+		tt.writeFixtureBuffer(t, g, buf)
+	}
+
+	// Run the test (with a name if it has one)
+	if tt.name != "" {
+		t.Run(tt.name, f)
+	} else {
+		f(t)
+	}
+}
+
+func TestNoLabelInList(t *testing.T) {
+	t.Parallel()
+
+	NewFormatterTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/label_list"),
+		),
+		WithListOptions(task.ListOptions{
+			ListOnlyTasksWithDescriptions: true,
+		}),
+	)
+}
+
+// task -al case 1: listAll list all tasks
+func TestListAllShowsNoDesc(t *testing.T) {
+	t.Parallel()
+
+	NewFormatterTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/list_mixed_desc"),
+		),
+		WithListOptions(task.ListOptions{
+			ListAllTasks: true,
+		}),
+	)
+}
+
+// task -al case 2: !listAll list some tasks (only those with desc)
+func TestListCanListDescOnly(t *testing.T) {
+	t.Parallel()
+
+	NewFormatterTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/list_mixed_desc"),
+		),
+		WithListOptions(task.ListOptions{
+			ListOnlyTasksWithDescriptions: true,
+		}),
+	)
+}
+
+func TestListDescInterpolation(t *testing.T) {
+	t.Parallel()
+
+	NewFormatterTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/list_desc_interpolation"),
+		),
+		WithListOptions(task.ListOptions{
+			ListOnlyTasksWithDescriptions: true,
+		}),
+	)
+}
+
+func TestJsonListFormat(t *testing.T) {
+	t.Parallel()
+
+	NewFormatterTest(t,
+		WithExecutorOptions(
+			task.WithDir("testdata/json_list_format"),
+		),
+		WithListOptions(task.ListOptions{
+			FormatTaskListAsJSON: true,
+		}),
+		WithFixtureTemplating(),
+	)
+}

go.mod

@@ -1,61 +1,84 @@
 module github.com/go-task/task/v3
 
-go 1.22.0
+go 1.24.0
 
 require (
 	github.com/Ladicle/tabwriter v1.0.0
-	github.com/Masterminds/semver/v3 v3.3.1
+	github.com/Masterminds/semver/v3 v3.4.0
-	github.com/alecthomas/chroma/v2 v2.14.0
+	github.com/alecthomas/chroma/v2 v2.20.0
 	github.com/chainguard-dev/git-urls v1.0.2
+	github.com/charmbracelet/bubbles/v2 v2.0.0-beta.1
+	github.com/charmbracelet/bubbletea/v2 v2.0.0-beta.3
+	github.com/charmbracelet/lipgloss/v2 v2.0.0-beta.3
+	github.com/charmbracelet/x/exp/charmtone v0.0.0-20250930200525-31788bbe6486
 	github.com/davecgh/go-spew v1.1.1
 	github.com/dominikbraun/graph v0.23.0
-	github.com/elliotchance/orderedmap/v2 v2.7.0
+	github.com/elliotchance/orderedmap/v3 v3.1.0
 	github.com/fatih/color v1.18.0
-	github.com/go-git/go-billy/v5 v5.6.1
+	github.com/fsnotify/fsnotify v1.9.0
-	github.com/go-git/go-git/v5 v5.13.1
+	github.com/go-git/go-billy/v5 v5.6.2
+	github.com/go-git/go-git/v5 v5.16.2
 	github.com/go-task/slim-sprig/v3 v3.0.0
-	github.com/go-task/template v0.1.0
+	github.com/go-task/template v0.2.0
+	github.com/google/uuid v1.6.0
 	github.com/joho/godotenv v1.5.1
-	github.com/mattn/go-zglob v0.0.6
 	github.com/mitchellh/hashstructure/v2 v2.0.2
-	github.com/otiai10/copy v1.14.0
+	github.com/puzpuzpuz/xsync/v3 v3.5.1
-	github.com/radovskyb/watcher v1.0.7
 	github.com/sajari/fuzzy v1.0.0
-	github.com/spf13/pflag v1.0.5
+	github.com/sebdah/goldie/v2 v2.7.1
-	github.com/stretchr/testify v1.10.0
+	github.com/spf13/pflag v1.0.10
+	github.com/stretchr/testify v1.11.1
 	github.com/zeebo/xxh3 v1.0.2
-	golang.org/x/sync v0.10.0
+	golang.org/x/sync v0.17.0
-	golang.org/x/term v0.27.0
+	golang.org/x/term v0.35.0
 	gopkg.in/yaml.v3 v3.0.1
-	mvdan.cc/sh/v3 v3.10.0
+	mvdan.cc/sh/moreinterp v0.0.0-20250921194925-171492585d48
+	mvdan.cc/sh/v3 v3.12.0
 )
 
 require (
 	dario.cat/mergo v1.0.0 // indirect
-	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
-	github.com/ProtonMail/go-crypto v1.1.3 // indirect
+	github.com/ProtonMail/go-crypto v1.1.6 // indirect
-	github.com/cloudflare/circl v1.3.7 // indirect
+	github.com/atotto/clipboard v0.1.4 // indirect
-	github.com/cyphar/filepath-securejoin v0.3.6 // indirect
+	github.com/charmbracelet/colorprofile v0.3.1 // indirect
-	github.com/dlclark/regexp2 v1.11.0 // indirect
+	github.com/charmbracelet/x/ansi v0.8.0 // indirect
+	github.com/charmbracelet/x/cellbuf v0.0.14-0.20250501183327-ad3bc78c6a81 // indirect
+	github.com/charmbracelet/x/exp/color v0.0.0-20250915100343-2c2e5896ae6e // indirect
+	github.com/charmbracelet/x/input v0.3.5-0.20250424101541-abb4d9a9b197 // indirect
+	github.com/charmbracelet/x/term v0.2.1 // indirect
+	github.com/charmbracelet/x/windows v0.2.1 // indirect
+	github.com/cloudflare/circl v1.6.1 // indirect
+	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
+	github.com/dlclark/regexp2 v1.11.5 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/emirpasic/gods v1.18.1 // indirect
 	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
+	github.com/klauspost/compress v1.17.4 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+	github.com/klauspost/pgzip v1.2.6 // indirect
+	github.com/lucasb-eyer/go-colorful v1.3.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/muesli/cancelreader v0.2.2 // indirect
-	github.com/pjbgf/sha1cd v0.3.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.22 // indirect
+	github.com/pjbgf/sha1cd v0.3.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/sahilm/fuzzy v0.1.1 // indirect
 	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
-	github.com/skeema/knownhosts v1.3.0 // indirect
+	github.com/skeema/knownhosts v1.3.1 // indirect
 	github.com/stretchr/objx v0.5.2 // indirect
+	github.com/u-root/u-root v0.14.1-0.20250807200646-5e7721023dc7 // indirect
+	github.com/u-root/uio v0.0.0-20240224005618-d2acac8f3701 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.31.0 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
-	golang.org/x/mod v0.18.0 // indirect
+	golang.org/x/crypto v0.37.0 // indirect
-	golang.org/x/net v0.33.0 // indirect
+	golang.org/x/net v0.39.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
+	golang.org/x/sys v0.36.0 // indirect
-	golang.org/x/tools v0.22.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )

go.sum

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-golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
+golang.org/x/exp v0.0.0-20250305212735-054e65f0b394/go.mod h1:sIifuuw/Yco/y6yb6+bDNfyeQ/MdPUy/hKEMYQV17cM=
-golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
-golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
-golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
+golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
-golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -149,17 +203,15 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.27.0 h1:WP60Sv1nlK1T6SupCHbXzSaN0b9wUmsPoRS9b61A23Q=
+golang.org/x/term v0.35.0 h1:bZBVKBudEyhRcajGcNc3jIfWPqV4y/Kt2XcoigOWtDQ=
-golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
+golang.org/x/term v0.35.0/go.mod h1:TPGtkTLesOwf2DE8CgVYiZinHAOuy5AYUYT1lENIZnA=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.22.0 h1:gqSGLZqv+AI9lIQzniJ0nZDRG5GBPsSi+DRNHWNz6yA=
-golang.org/x/tools v0.22.0/go.mod h1:aCwcsjqvq7Yqt6TNyX7QMU2enbQ/Gt0bo6krSeEri+c=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
@@ -170,5 +222,7 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-mvdan.cc/sh/v3 v3.10.0 h1:v9z7N1DLZ7owyLM/SXZQkBSXcwr2IGMm2LY2pmhVXj4=
+mvdan.cc/sh/moreinterp v0.0.0-20250921194925-171492585d48 h1:j0QO6IrQsn7rpqs9HxwwP7ae3uZDbzRZfu0gi8IDFiE=
-mvdan.cc/sh/v3 v3.10.0/go.mod h1:z/mSSVyLFGZzqb3ZIKojjyqIx/xbmz/UHdCSv9HmqXY=
+mvdan.cc/sh/moreinterp v0.0.0-20250921194925-171492585d48/go.mod h1:Of9PCedbLDYT8b3EyiYG64rNnx5nOp27OLCVdDrjJyo=
+mvdan.cc/sh/v3 v3.12.0 h1:ejKUR7ONP5bb+UGHGEG/k9V5+pRVIyD+LsZz7o8KHrI=
+mvdan.cc/sh/v3 v3.12.0/go.mod h1:Se6Cj17eYSn+sNooLZiEUnNNmNxg0imoYlTu4CyaGyg=

help.go

@@ -24,15 +24,17 @@ type ListOptions struct {
 	ListAllTasks                  bool
 	FormatTaskListAsJSON          bool
 	NoStatus                      bool
+	Nested                        bool
 }
 
 // NewListOptions creates a new ListOptions instance
-func NewListOptions(list, listAll, listAsJson, noStatus bool) ListOptions {
+func NewListOptions(list, listAll, listAsJson, noStatus, nested bool) ListOptions {
 	return ListOptions{
 		ListOnlyTasksWithDescriptions: list,
 		ListAllTasks:                  listAll,
 		FormatTaskListAsJSON:          listAsJson,
 		NoStatus:                      noStatus,
+		Nested:                        nested,
 	}
 }
 
@@ -41,20 +43,6 @@ func (o ListOptions) ShouldListTasks() bool {
 	return o.ListOnlyTasksWithDescriptions || o.ListAllTasks
 }
 
-// Validate validates that the collection of list-related options are in a valid configuration
-func (o ListOptions) Validate() error {
-	if o.ListOnlyTasksWithDescriptions && o.ListAllTasks {
-		return fmt.Errorf("task: cannot use --list and --list-all at the same time")
-	}
-	if o.FormatTaskListAsJSON && !o.ShouldListTasks() {
-		return fmt.Errorf("task: --json only applies to --list or --list-all")
-	}
-	if o.NoStatus && !o.FormatTaskListAsJSON {
-		return fmt.Errorf("task: --no-status only applies to --json with --list or --list-all")
-	}
-	return nil
-}
-
 // Filters returns the slice of FilterFunc which filters a list
 // of ast.Task according to the given ListOptions
 func (o ListOptions) Filters() []FilterFunc {
@@ -77,7 +65,7 @@ func (e *Executor) ListTasks(o ListOptions) (bool, error) {
 		return false, err
 	}
 	if o.FormatTaskListAsJSON {
-		output, err := e.ToEditorOutput(tasks, o.NoStatus)
+		output, err := e.ToEditorOutput(tasks, o.NoStatus, o.Nested)
 		if err != nil {
 			return false, err
 		}
@@ -128,18 +116,14 @@ func (e *Executor) ListTaskNames(allTasks bool) error {
 		w = e.Stdout
 	}
 
-	// Get the list of tasks and sort them
-	tasks := e.Taskfile.Tasks.Values()
-
 	// Sort the tasks
 	if e.TaskSorter == nil {
-		e.TaskSorter = &sort.AlphaNumericWithRootTasksFirst{}
+		e.TaskSorter = sort.AlphaNumericWithRootTasksFirst
 	}
-	e.TaskSorter.Sort(tasks)
 
 	// Create a list of task names
 	taskNames := make([]string, 0, e.Taskfile.Tasks.Len())
-	for _, task := range tasks {
+	for task := range e.Taskfile.Tasks.Values(e.TaskSorter) {
 		if (allTasks || task.Desc != "") && !task.Internal {
 			taskNames = append(taskNames, strings.TrimRight(task.Task, ":"))
 			for _, alias := range task.Aliases {
@@ -153,32 +137,17 @@ func (e *Executor) ListTaskNames(allTasks bool) error {
 	return nil
 }
 
-func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Taskfile, error) {
+func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool, nested bool) (*editors.Namespace, error) {
-	o := &editors.Taskfile{
-		Tasks:    make([]editors.Task, len(tasks)),
-		Location: e.Taskfile.Location,
-	}
 	var g errgroup.Group
+	editorTasks := make([]editors.Task, len(tasks))
+
+	// Look over each task in parallel and turn it into an editor task
 	for i := range tasks {
-		aliases := []string{}
-		if len(tasks[i].Aliases) > 0 {
-			aliases = tasks[i].Aliases
-		}
 		g.Go(func() error {
-			o.Tasks[i] = editors.Task{
+			editorTask := editors.NewTask(tasks[i])
-				Name:     tasks[i].Name(),
-				Desc:     tasks[i].Desc,
-				Summary:  tasks[i].Summary,
-				Aliases:  aliases,
-				UpToDate: false,
-				Location: &editors.Location{
-					Line:     tasks[i].Location.Line,
-					Column:   tasks[i].Location.Column,
-					Taskfile: tasks[i].Location.Taskfile,
-				},
-			}
 
 			if noStatus {
+				editorTasks[i] = editorTask
 				return nil
 			}
 
@@ -197,10 +166,35 @@ func (e *Executor) ToEditorOutput(tasks []*ast.Task, noStatus bool) (*editors.Ta
 				return err
 			}
 
-			o.Tasks[i].UpToDate = upToDate
+			editorTask.UpToDate = &upToDate
-
+			editorTasks[i] = editorTask
 			return nil
 		})
 	}
-	return o, g.Wait()
+	if err := g.Wait(); err != nil {
+		return nil, err
+	}
+
+	// Create the root namespace
+	var tasksLen int
+	if !nested {
+		tasksLen = len(editorTasks)
+	}
+	rootNamespace := &editors.Namespace{
+		Tasks:    make([]editors.Task, tasksLen),
+		Location: e.Taskfile.Location,
+	}
+
+	// Recursively add namespaces to the root namespace or if nesting is
+	// disabled add them all to the root namespace
+	for i, task := range editorTasks {
+		taskNamespacePath := strings.Split(task.Task, ast.NamespaceSeparator)
+		if nested {
+			rootNamespace.AddNamespace(taskNamespacePath, task)
+		} else {
+			rootNamespace.Tasks[i] = task
+		}
+	}
+
+	return rootNamespace, g.Wait()
 }

init.go

@@ -1,41 +1,41 @@
 package task
 
 import (
-	"fmt"
+	_ "embed"
-	"io"
 	"os"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/filepathext"
 )
 
-const defaultTaskfile = `# https://taskfile.dev
+const defaultTaskFilename = "Taskfile.yml"
 
-version: '3'
+//go:embed taskfile/templates/default.yml
+var DefaultTaskfile string
 
-vars:
+// InitTaskfile creates a new Taskfile at path.
-  GREETING: Hello, World!
+//
-
+// path can be either a file path or a directory path.
-tasks:
+// If path is a directory, path/Taskfile.yml will be created.
-  default:
+//
-    cmds:
+// The final file path is always returned and may be different from the input path.
-      - echo "{{.GREETING}}"
+func InitTaskfile(path string) (string, error) {
-    silent: true
+	fi, err := os.Stat(path)
-`
+	if err == nil && !fi.IsDir() {
-
+		return path, errors.TaskfileAlreadyExistsError{}
-const defaultTaskfileName = "Taskfile.yml"
-
-// InitTaskfile Taskfile creates a new Taskfile
-func InitTaskfile(w io.Writer, dir string) error {
-	f := filepathext.SmartJoin(dir, defaultTaskfileName)
-
-	if _, err := os.Stat(f); err == nil {
-		return errors.TaskfileAlreadyExistsError{}
 	}
 
-	if err := os.WriteFile(f, []byte(defaultTaskfile), 0o644); err != nil {
+	if fi != nil && fi.IsDir() {
-		return err
+		path = filepathext.SmartJoin(path, defaultTaskFilename)
+		// path was a directory, so check if Taskfile.yml exists in it
+		if _, err := os.Stat(path); err == nil {
+			return path, errors.TaskfileAlreadyExistsError{}
+		}
 	}
-	fmt.Fprintf(w, "%s created in the current directory\n", defaultTaskfile)
+
-	return nil
+	if err := os.WriteFile(path, []byte(DefaultTaskfile), 0o644); err != nil {
+		return path, err
+	}
+
+	return path, nil
 }

init_test.go

@@ -0,0 +1,52 @@
+package task_test
+
+import (
+	"os"
+	"testing"
+
+	"github.com/go-task/task/v3"
+	"github.com/go-task/task/v3/internal/filepathext"
+)
+
+func TestInitDir(t *testing.T) {
+	t.Parallel()
+
+	const dir = "testdata/init"
+	file := filepathext.SmartJoin(dir, "Taskfile.yml")
+
+	_ = os.Remove(file)
+	if _, err := os.Stat(file); err == nil {
+		t.Errorf("Taskfile.yml should not exist")
+	}
+
+	if _, err := task.InitTaskfile(dir); err != nil {
+		t.Error(err)
+	}
+
+	if _, err := os.Stat(file); err != nil {
+		t.Errorf("Taskfile.yml should exist")
+	}
+
+	_ = os.Remove(file)
+}
+
+func TestInitFile(t *testing.T) {
+	t.Parallel()
+
+	const dir = "testdata/init"
+	file := filepathext.SmartJoin(dir, "Tasks.yml")
+
+	_ = os.Remove(file)
+	if _, err := os.Stat(file); err == nil {
+		t.Errorf("Tasks.yml should not exist")
+	}
+
+	if _, err := task.InitTaskfile(file); err != nil {
+		t.Error(err)
+	}
+
+	if _, err := os.Stat(file); err != nil {
+		t.Errorf("Tasks.yml should exist")
+	}
+	_ = os.Remove(file)
+}

install-task.sh

@@ -64,21 +64,15 @@ get_binaries() {
   case "$PLATFORM" in
     darwin/amd64) BINARIES="task" ;;
     darwin/arm64) BINARIES="task" ;;
-    darwin/armv5) BINARIES="task" ;;
+    darwin/arm) BINARIES="task" ;;
-    darwin/armv6) BINARIES="task" ;;
-    darwin/armv7) BINARIES="task" ;;
     linux/386) BINARIES="task" ;;
     linux/amd64) BINARIES="task" ;;
     linux/arm64) BINARIES="task" ;;
-    linux/armv5) BINARIES="task" ;;
+    linux/arm) BINARIES="task" ;;
-    linux/armv6) BINARIES="task" ;;
-    linux/armv7) BINARIES="task" ;;
     windows/386) BINARIES="task" ;;
     windows/amd64) BINARIES="task" ;;
     windows/arm64) BINARIES="task" ;;
-    windows/armv5) BINARIES="task" ;;
+    windows/arm) BINARIES="task" ;;
-    windows/armv6) BINARIES="task" ;;
-    windows/armv7) BINARIES="task" ;;
     *)
       log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
       exit 1

internal/compiler/env.go

@@ -1,20 +0,0 @@
-package compiler
-
-import (
-	"os"
-	"strings"
-
-	"github.com/go-task/task/v3/taskfile/ast"
-)
-
-// GetEnviron the all return all environment variables encapsulated on a
-// ast.Vars
-func GetEnviron() *ast.Vars {
-	m := ast.NewVars()
-	for _, e := range os.Environ() {
-		keyVal := strings.SplitN(e, "=", 2)
-		key, val := keyVal[0], keyVal[1]
-		m.Set(key, ast.Var{Value: val})
-	}
-	return m
-}

internal/deepcopy/deepcopy.go

@@ -3,7 +3,7 @@ package deepcopy
 import (
 	"reflect"
 
-	"github.com/elliotchance/orderedmap/v2"
+	"github.com/elliotchance/orderedmap/v3"
 )
 
 type Copier[T any] interface {

internal/editors/output.go

@@ -1,18 +1,24 @@
 package editors
 
+import (
+	"github.com/go-task/task/v3/taskfile/ast"
+)
+
 type (
-	// Taskfile wraps task list output for use in editor integrations (e.g. VSCode, etc)
+	// Namespace wraps task list output for use in editor integrations (e.g. VSCode, etc)
-	Taskfile struct {
+	Namespace struct {
-		Tasks    []Task `json:"tasks"`
+		Tasks      []Task                `json:"tasks"`
-		Location string `json:"location"`
+		Namespaces map[string]*Namespace `json:"namespaces,omitempty"`
+		Location   string                `json:"location,omitempty"`
 	}
 	// Task describes a single task
 	Task struct {
 		Name     string    `json:"name"`
+		Task     string    `json:"task"`
 		Desc     string    `json:"desc"`
 		Summary  string    `json:"summary"`
 		Aliases  []string  `json:"aliases"`
-		UpToDate bool      `json:"up_to_date"`
+		UpToDate *bool     `json:"up_to_date,omitempty"`
 		Location *Location `json:"location"`
 	}
 	// Location describes a task's location in a taskfile
@@ -22,3 +28,59 @@ type (
 		Taskfile string `json:"taskfile"`
 	}
 )
+
+func NewTask(task *ast.Task) Task {
+	aliases := []string{}
+	if len(task.Aliases) > 0 {
+		aliases = task.Aliases
+	}
+	return Task{
+		Name:    task.Name(),
+		Task:    task.Task,
+		Desc:    task.Desc,
+		Summary: task.Summary,
+		Aliases: aliases,
+		Location: &Location{
+			Line:     task.Location.Line,
+			Column:   task.Location.Column,
+			Taskfile: task.Location.Taskfile,
+		},
+	}
+}
+
+func (parent *Namespace) AddNamespace(namespacePath []string, task Task) {
+	if len(namespacePath) == 0 {
+		return
+	}
+
+	// If there are no child namespaces, then we have found a task and we can
+	// simply add it to the current namespace
+	if len(namespacePath) == 1 {
+		parent.Tasks = append(parent.Tasks, task)
+		return
+	}
+
+	// Get the key of the current namespace in the path
+	namespaceKey := namespacePath[0]
+
+	// Add the namespace to the parent namespaces map using the namespace key
+	if parent.Namespaces == nil {
+		parent.Namespaces = make(map[string]*Namespace, 0)
+	}
+
+	// Search for the current namespace in the parent namespaces map
+	// If it doesn't exist, create it
+	namespace, ok := parent.Namespaces[namespaceKey]
+	if !ok {
+		namespace = &Namespace{}
+		parent.Namespaces[namespaceKey] = namespace
+	}
+
+	// Remove the current namespace key from the namespace path.
+	childNamespacePath := namespacePath[1:]
+
+	// If there are no child namespaces in the task name, then we have found the
+	// namespace of the task and we can add it to the current namespace.
+	// Otherwise, we need to go deeper
+	namespace.AddNamespace(childNamespacePath, task)
+}

internal/env/env.go

@@ -3,11 +3,26 @@ package env
 import (
 	"fmt"
 	"os"
+	"strings"
 
-	"github.com/go-task/task/v3/internal/experiments"
+	"github.com/go-task/task/v3/experiments"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
+const taskVarPrefix = "TASK_"
+
+// GetEnviron the all return all environment variables encapsulated on a
+// ast.Vars
+func GetEnviron() *ast.Vars {
+	m := ast.NewVars()
+	for _, e := range os.Environ() {
+		keyVal := strings.SplitN(e, "=", 2)
+		key, val := keyVal[0], keyVal[1]
+		m.Set(key, ast.Var{Value: val})
+	}
+	return m
+}
+
 func Get(t *ast.Task) []string {
 	if t.Env == nil {
 		return nil
@@ -23,7 +38,7 @@ func GetFromVars(env *ast.Vars) []string {
 		if !isTypeAllowed(v) {
 			continue
 		}
-		if !experiments.EnvPrecedence.Enabled {
+		if !experiments.EnvPrecedence.Enabled() {
 			if _, alreadySet := os.LookupEnv(k); alreadySet {
 				continue
 			}
@@ -42,3 +57,7 @@ func isTypeAllowed(v any) bool {
 		return false
 	}
 }
+
+func GetTaskEnv(key string) string {
+	return os.Getenv(taskVarPrefix + key)
+}

internal/execext/coreutils.go

@@ -0,0 +1,20 @@
+package execext
+
+import (
+	"runtime"
+	"strconv"
+
+	"github.com/go-task/task/v3/internal/env"
+)
+
+var useGoCoreUtils bool
+
+func init() {
+	// If TASK_CORE_UTILS is set to either true or false, respect that.
+	// By default, enable on Windows only.
+	if v, err := strconv.ParseBool(env.GetTaskEnv("CORE_UTILS")); err == nil {
+		useGoCoreUtils = v
+	} else {
+		useGoCoreUtils = runtime.GOOS == "windows"
+	}
+}

internal/execext/exec.go

@@ -7,17 +7,19 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"time"
 
+	"mvdan.cc/sh/moreinterp/coreutils"
 	"mvdan.cc/sh/v3/expand"
 	"mvdan.cc/sh/v3/interp"
-	"mvdan.cc/sh/v3/shell"
 	"mvdan.cc/sh/v3/syntax"
 
 	"github.com/go-task/task/v3/errors"
 )
 
-// RunCommandOptions is the options for the RunCommand func
+// ErrNilOptions is returned when a nil options is given
+var ErrNilOptions = errors.New("execext: nil options given")
+
+// RunCommandOptions is the options for the [RunCommand] func.
 type RunCommandOptions struct {
 	Command   string
 	Dir       string
@@ -29,9 +31,6 @@ type RunCommandOptions struct {
 	Stderr    io.Writer
 }
 
-// ErrNilOptions is returned when a nil options is given
-var ErrNilOptions = errors.New("execext: nil options given")
-
 // RunCommand runs a shell command
 func RunCommand(ctx context.Context, opts *RunCommandOptions) error {
 	if opts == nil {
@@ -60,7 +59,7 @@ func RunCommand(ctx context.Context, opts *RunCommandOptions) error {
 	r, err := interp.New(
 		interp.Params(params...),
 		interp.Env(expand.ListEnviron(environ...)),
-		interp.ExecHandlers(execHandler),
+		interp.ExecHandlers(execHandlers()...),
 		interp.OpenHandler(openHandler),
 		interp.StdIO(opts.Stdin, opts.Stdout, opts.Stderr),
 		dirOption(opts.Dir),
@@ -91,26 +90,64 @@ func RunCommand(ctx context.Context, opts *RunCommandOptions) error {
 	return r.Run(ctx, p)
 }
 
-// Expand is a helper to mvdan.cc/shell.Fields that returns the first field
+func escape(s string) string {
-// if available.
-func Expand(s string) (string, error) {
 	s = filepath.ToSlash(s)
 	s = strings.ReplaceAll(s, " ", `\ `)
 	s = strings.ReplaceAll(s, "&", `\&`)
 	s = strings.ReplaceAll(s, "(", `\(`)
 	s = strings.ReplaceAll(s, ")", `\)`)
-	fields, err := shell.Fields(s, nil)
+	return s
+}
+
+// ExpandLiteral is a wrapper around [expand.Literal]. It will escape the input
+// string, expand any shell symbols (such as '~') and resolve any environment
+// variables.
+func ExpandLiteral(s string) (string, error) {
+	if s == "" {
+		return "", nil
+	}
+	p := syntax.NewParser()
+	word, err := p.Document(strings.NewReader(s))
 	if err != nil {
 		return "", err
 	}
-	if len(fields) > 0 {
+	cfg := &expand.Config{
-		return fields[0], nil
+		Env:      expand.FuncEnviron(os.Getenv),
+		ReadDir2: os.ReadDir,
+		GlobStar: true,
 	}
-	return "", nil
+	return expand.Literal(cfg, word)
 }
 
-func execHandler(next interp.ExecHandlerFunc) interp.ExecHandlerFunc {
+// ExpandFields is a wrapper around [expand.Fields]. It will escape the input
-	return interp.DefaultExecHandler(15 * time.Second)
+// string, expand any shell symbols (such as '~') and resolve any environment
+// variables. It also expands brace expressions ({a.b}) and globs (*/**) and
+// returns the results as a list of strings.
+func ExpandFields(s string) ([]string, error) {
+	s = escape(s)
+	p := syntax.NewParser()
+	var words []*syntax.Word
+	err := p.Words(strings.NewReader(s), func(w *syntax.Word) bool {
+		words = append(words, w)
+		return true
+	})
+	if err != nil {
+		return nil, err
+	}
+	cfg := &expand.Config{
+		Env:      expand.FuncEnviron(os.Getenv),
+		ReadDir2: os.ReadDir,
+		GlobStar: true,
+		NullGlob: true,
+	}
+	return expand.Fields(cfg, words...)
+}
+
+func execHandlers() (handlers []func(next interp.ExecHandlerFunc) interp.ExecHandlerFunc) {
+	if useGoCoreUtils {
+		handlers = append(handlers, coreutils.ExecHandler)
+	}
+	return
 }
 
 func openHandler(ctx context.Context, path string, flag int, perm os.FileMode) (io.ReadWriteCloser, error) {

internal/exp/maps.go

@@ -1,26 +0,0 @@
-// This package is intended as a place to copy functions from the
-// golang.org/x/exp package. Copying these functions allows us to rely on our
-// own code instead of an external package that may change unpredictably in the
-// future.
-//
-// It also prevents problems with transitive dependencies whereby a
-// package that imports Task (and therefore our version of golang.org/x/exp)
-// cannot import a different version of golang.org/x/exp.
-//
-// Finally, it serves as a place to track functions that may be able to be
-// removed in the future if they are added to the standard library. This is also
-// why this package is under the internal directory since these functions are
-// not intended to be used outside of Task.
-package exp
-
-import "cmp"
-
-// Keys is a copy of https://pkg.go.dev/golang.org/x/exp@v0.0.0-20240103183307-be819d1f06fc/maps#Keys.
-// This is not yet included in the standard library. See https://github.com/golang/go/issues/61538.
-func Keys[K cmp.Ordered, V any](m map[K]V) []K {
-	var keys []K
-	for key := range m {
-		keys = append(keys, key)
-	}
-	return keys
-}

internal/experiments/experiments.go

@@ -1,112 +0,0 @@
-package experiments
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"path/filepath"
-	"slices"
-	"strings"
-
-	"github.com/Ladicle/tabwriter"
-	"github.com/joho/godotenv"
-	"github.com/spf13/pflag"
-
-	"github.com/go-task/task/v3/internal/logger"
-)
-
-const envPrefix = "TASK_X_"
-
-type Experiment struct {
-	Name    string
-	Enabled bool
-	Value   string
-}
-
-// A list of experiments.
-var (
-	GentleForce     Experiment
-	RemoteTaskfiles Experiment
-	AnyVariables    Experiment
-	MapVariables    Experiment
-	EnvPrecedence   Experiment
-)
-
-func init() {
-	readDotEnv()
-	GentleForce = New("GENTLE_FORCE")
-	RemoteTaskfiles = New("REMOTE_TASKFILES")
-	AnyVariables = New("ANY_VARIABLES", "1", "2")
-	MapVariables = New("MAP_VARIABLES", "1", "2")
-	EnvPrecedence = New("ENV_PRECEDENCE")
-}
-
-func New(xName string, enabledValues ...string) Experiment {
-	if len(enabledValues) == 0 {
-		enabledValues = []string{"1"}
-	}
-	value := getEnv(xName)
-	return Experiment{
-		Name:    xName,
-		Enabled: slices.Contains(enabledValues, value),
-		Value:   value,
-	}
-}
-
-func (x Experiment) String() string {
-	if x.Enabled {
-		return fmt.Sprintf("on (%s)", x.Value)
-	}
-	return "off"
-}
-
-func getEnv(xName string) string {
-	envName := fmt.Sprintf("%s%s", envPrefix, xName)
-	return os.Getenv(envName)
-}
-
-func getEnvFilePath() string {
-	// Parse the CLI flags again to get the directory/taskfile being run
-	// We use a flagset here so that we can parse a subset of flags without exiting on error.
-	var dir, taskfile string
-	fs := pflag.NewFlagSet("experiments", pflag.ContinueOnError)
-	fs.StringVarP(&dir, "dir", "d", "", "Sets directory of execution.")
-	fs.StringVarP(&taskfile, "taskfile", "t", "", `Choose which Taskfile to run. Defaults to "Taskfile.yml".`)
-	fs.Usage = func() {}
-	_ = fs.Parse(os.Args[1:])
-	// If the directory is set, find a .env file in that directory.
-	if dir != "" {
-		return filepath.Join(dir, ".env")
-	}
-	// If the taskfile is set, find a .env file in the directory containing the Taskfile.
-	if taskfile != "" {
-		return filepath.Join(filepath.Dir(taskfile), ".env")
-	}
-	// Otherwise just use the current working directory.
-	return ".env"
-}
-
-func readDotEnv() {
-	env, _ := godotenv.Read(getEnvFilePath())
-	// If the env var is an experiment, set it.
-	for key, value := range env {
-		if strings.HasPrefix(key, envPrefix) {
-			os.Setenv(key, value)
-		}
-	}
-}
-
-func printExperiment(w io.Writer, l *logger.Logger, x Experiment) {
-	l.FOutf(w, logger.Yellow, "* ")
-	l.FOutf(w, logger.Green, x.Name)
-	l.FOutf(w, logger.Default, ": \t%s\n", x.String())
-}
-
-func List(l *logger.Logger) error {
-	w := tabwriter.NewWriter(os.Stdout, 0, 8, 0, ' ', 0)
-	printExperiment(w, l, GentleForce)
-	printExperiment(w, l, RemoteTaskfiles)
-	printExperiment(w, l, MapVariables)
-	printExperiment(w, l, EnvPrecedence)
-	return w.Flush()
-}

internal/filepathext/filepathext.go

@@ -55,3 +55,9 @@ func TryAbsToRel(abs string) string {
 
 	return rel
 }
+
+// IsExtOnly checks whether path points to a file with no name but with
+// an extension, i.e. ".yaml"
+func IsExtOnly(path string) bool {
+	return filepath.Base(path) == filepath.Ext(path)
+}

internal/fingerprint/checker_mock.go

@@ -0,0 +1,320 @@
+// Code generated by mockery; DO NOT EDIT.
+// github.com/vektra/mockery
+// template: testify
+
+package fingerprint
+
+import (
+	"context"
+
+	"github.com/go-task/task/v3/taskfile/ast"
+	mock "github.com/stretchr/testify/mock"
+)
+
+// NewMockStatusCheckable creates a new instance of MockStatusCheckable. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewMockStatusCheckable(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *MockStatusCheckable {
+	mock := &MockStatusCheckable{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// MockStatusCheckable is an autogenerated mock type for the StatusCheckable type
+type MockStatusCheckable struct {
+	mock.Mock
+}
+
+type MockStatusCheckable_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *MockStatusCheckable) EXPECT() *MockStatusCheckable_Expecter {
+	return &MockStatusCheckable_Expecter{mock: &_m.Mock}
+}
+
+// IsUpToDate provides a mock function for the type MockStatusCheckable
+func (_mock *MockStatusCheckable) IsUpToDate(ctx context.Context, t *ast.Task) (bool, error) {
+	ret := _mock.Called(ctx, t)
+
+	if len(ret) == 0 {
+		panic("no return value specified for IsUpToDate")
+	}
+
+	var r0 bool
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(context.Context, *ast.Task) (bool, error)); ok {
+		return returnFunc(ctx, t)
+	}
+	if returnFunc, ok := ret.Get(0).(func(context.Context, *ast.Task) bool); ok {
+		r0 = returnFunc(ctx, t)
+	} else {
+		r0 = ret.Get(0).(bool)
+	}
+	if returnFunc, ok := ret.Get(1).(func(context.Context, *ast.Task) error); ok {
+		r1 = returnFunc(ctx, t)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// MockStatusCheckable_IsUpToDate_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IsUpToDate'
+type MockStatusCheckable_IsUpToDate_Call struct {
+	*mock.Call
+}
+
+// IsUpToDate is a helper method to define mock.On call
+//   - ctx
+//   - t
+func (_e *MockStatusCheckable_Expecter) IsUpToDate(ctx interface{}, t interface{}) *MockStatusCheckable_IsUpToDate_Call {
+	return &MockStatusCheckable_IsUpToDate_Call{Call: _e.mock.On("IsUpToDate", ctx, t)}
+}
+
+func (_c *MockStatusCheckable_IsUpToDate_Call) Run(run func(ctx context.Context, t *ast.Task)) *MockStatusCheckable_IsUpToDate_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(context.Context), args[1].(*ast.Task))
+	})
+	return _c
+}
+
+func (_c *MockStatusCheckable_IsUpToDate_Call) Return(b bool, err error) *MockStatusCheckable_IsUpToDate_Call {
+	_c.Call.Return(b, err)
+	return _c
+}
+
+func (_c *MockStatusCheckable_IsUpToDate_Call) RunAndReturn(run func(ctx context.Context, t *ast.Task) (bool, error)) *MockStatusCheckable_IsUpToDate_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// NewMockSourcesCheckable creates a new instance of MockSourcesCheckable. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+// The first argument is typically a *testing.T value.
+func NewMockSourcesCheckable(t interface {
+	mock.TestingT
+	Cleanup(func())
+}) *MockSourcesCheckable {
+	mock := &MockSourcesCheckable{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}
+
+// MockSourcesCheckable is an autogenerated mock type for the SourcesCheckable type
+type MockSourcesCheckable struct {
+	mock.Mock
+}
+
+type MockSourcesCheckable_Expecter struct {
+	mock *mock.Mock
+}
+
+func (_m *MockSourcesCheckable) EXPECT() *MockSourcesCheckable_Expecter {
+	return &MockSourcesCheckable_Expecter{mock: &_m.Mock}
+}
+
+// IsUpToDate provides a mock function for the type MockSourcesCheckable
+func (_mock *MockSourcesCheckable) IsUpToDate(t *ast.Task) (bool, error) {
+	ret := _mock.Called(t)
+
+	if len(ret) == 0 {
+		panic("no return value specified for IsUpToDate")
+	}
+
+	var r0 bool
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(*ast.Task) (bool, error)); ok {
+		return returnFunc(t)
+	}
+	if returnFunc, ok := ret.Get(0).(func(*ast.Task) bool); ok {
+		r0 = returnFunc(t)
+	} else {
+		r0 = ret.Get(0).(bool)
+	}
+	if returnFunc, ok := ret.Get(1).(func(*ast.Task) error); ok {
+		r1 = returnFunc(t)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// MockSourcesCheckable_IsUpToDate_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IsUpToDate'
+type MockSourcesCheckable_IsUpToDate_Call struct {
+	*mock.Call
+}
+
+// IsUpToDate is a helper method to define mock.On call
+//   - t
+func (_e *MockSourcesCheckable_Expecter) IsUpToDate(t interface{}) *MockSourcesCheckable_IsUpToDate_Call {
+	return &MockSourcesCheckable_IsUpToDate_Call{Call: _e.mock.On("IsUpToDate", t)}
+}
+
+func (_c *MockSourcesCheckable_IsUpToDate_Call) Run(run func(t *ast.Task)) *MockSourcesCheckable_IsUpToDate_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(*ast.Task))
+	})
+	return _c
+}
+
+func (_c *MockSourcesCheckable_IsUpToDate_Call) Return(b bool, err error) *MockSourcesCheckable_IsUpToDate_Call {
+	_c.Call.Return(b, err)
+	return _c
+}
+
+func (_c *MockSourcesCheckable_IsUpToDate_Call) RunAndReturn(run func(t *ast.Task) (bool, error)) *MockSourcesCheckable_IsUpToDate_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Kind provides a mock function for the type MockSourcesCheckable
+func (_mock *MockSourcesCheckable) Kind() string {
+	ret := _mock.Called()
+
+	if len(ret) == 0 {
+		panic("no return value specified for Kind")
+	}
+
+	var r0 string
+	if returnFunc, ok := ret.Get(0).(func() string); ok {
+		r0 = returnFunc()
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+	return r0
+}
+
+// MockSourcesCheckable_Kind_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Kind'
+type MockSourcesCheckable_Kind_Call struct {
+	*mock.Call
+}
+
+// Kind is a helper method to define mock.On call
+func (_e *MockSourcesCheckable_Expecter) Kind() *MockSourcesCheckable_Kind_Call {
+	return &MockSourcesCheckable_Kind_Call{Call: _e.mock.On("Kind")}
+}
+
+func (_c *MockSourcesCheckable_Kind_Call) Run(run func()) *MockSourcesCheckable_Kind_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run()
+	})
+	return _c
+}
+
+func (_c *MockSourcesCheckable_Kind_Call) Return(s string) *MockSourcesCheckable_Kind_Call {
+	_c.Call.Return(s)
+	return _c
+}
+
+func (_c *MockSourcesCheckable_Kind_Call) RunAndReturn(run func() string) *MockSourcesCheckable_Kind_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// OnError provides a mock function for the type MockSourcesCheckable
+func (_mock *MockSourcesCheckable) OnError(t *ast.Task) error {
+	ret := _mock.Called(t)
+
+	if len(ret) == 0 {
+		panic("no return value specified for OnError")
+	}
+
+	var r0 error
+	if returnFunc, ok := ret.Get(0).(func(*ast.Task) error); ok {
+		r0 = returnFunc(t)
+	} else {
+		r0 = ret.Error(0)
+	}
+	return r0
+}
+
+// MockSourcesCheckable_OnError_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'OnError'
+type MockSourcesCheckable_OnError_Call struct {
+	*mock.Call
+}
+
+// OnError is a helper method to define mock.On call
+//   - t
+func (_e *MockSourcesCheckable_Expecter) OnError(t interface{}) *MockSourcesCheckable_OnError_Call {
+	return &MockSourcesCheckable_OnError_Call{Call: _e.mock.On("OnError", t)}
+}
+
+func (_c *MockSourcesCheckable_OnError_Call) Run(run func(t *ast.Task)) *MockSourcesCheckable_OnError_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(*ast.Task))
+	})
+	return _c
+}
+
+func (_c *MockSourcesCheckable_OnError_Call) Return(err error) *MockSourcesCheckable_OnError_Call {
+	_c.Call.Return(err)
+	return _c
+}
+
+func (_c *MockSourcesCheckable_OnError_Call) RunAndReturn(run func(t *ast.Task) error) *MockSourcesCheckable_OnError_Call {
+	_c.Call.Return(run)
+	return _c
+}
+
+// Value provides a mock function for the type MockSourcesCheckable
+func (_mock *MockSourcesCheckable) Value(t *ast.Task) (any, error) {
+	ret := _mock.Called(t)
+
+	if len(ret) == 0 {
+		panic("no return value specified for Value")
+	}
+
+	var r0 any
+	var r1 error
+	if returnFunc, ok := ret.Get(0).(func(*ast.Task) (any, error)); ok {
+		return returnFunc(t)
+	}
+	if returnFunc, ok := ret.Get(0).(func(*ast.Task) any); ok {
+		r0 = returnFunc(t)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(any)
+		}
+	}
+	if returnFunc, ok := ret.Get(1).(func(*ast.Task) error); ok {
+		r1 = returnFunc(t)
+	} else {
+		r1 = ret.Error(1)
+	}
+	return r0, r1
+}
+
+// MockSourcesCheckable_Value_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Value'
+type MockSourcesCheckable_Value_Call struct {
+	*mock.Call
+}
+
+// Value is a helper method to define mock.On call
+//   - t
+func (_e *MockSourcesCheckable_Expecter) Value(t interface{}) *MockSourcesCheckable_Value_Call {
+	return &MockSourcesCheckable_Value_Call{Call: _e.mock.On("Value", t)}
+}
+
+func (_c *MockSourcesCheckable_Value_Call) Run(run func(t *ast.Task)) *MockSourcesCheckable_Value_Call {
+	_c.Call.Run(func(args mock.Arguments) {
+		run(args[0].(*ast.Task))
+	})
+	return _c
+}
+
+func (_c *MockSourcesCheckable_Value_Call) Return(v any, err error) *MockSourcesCheckable_Value_Call {
+	_c.Call.Return(v, err)
+	return _c
+}
+
+func (_c *MockSourcesCheckable_Value_Call) RunAndReturn(run func(t *ast.Task) (any, error)) *MockSourcesCheckable_Value_Call {
+	_c.Call.Return(run)
+	return _c
+}

internal/fingerprint/glob.go

@@ -4,47 +4,34 @@ import (
 	"os"
 	"sort"
 
-	"github.com/mattn/go-zglob"
-
 	"github.com/go-task/task/v3/internal/execext"
 	"github.com/go-task/task/v3/internal/filepathext"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
 func Globs(dir string, globs []*ast.Glob) ([]string, error) {
-	fileMap := make(map[string]bool)
+	resultMap := make(map[string]bool)
 	for _, g := range globs {
-		matches, err := Glob(dir, g.Glob)
+		matches, err := glob(dir, g.Glob)
 		if err != nil {
 			continue
 		}
 		for _, match := range matches {
-			fileMap[match] = !g.Negate
+			resultMap[match] = !g.Negate
 		}
 	}
-	files := make([]string, 0)
+	return collectKeys(resultMap), nil
-	for file, includePath := range fileMap {
-		if includePath {
-			files = append(files, file)
-		}
-	}
-	sort.Strings(files)
-	return files, nil
 }
 
-func Glob(dir string, g string) ([]string, error) {
+func glob(dir string, g string) ([]string, error) {
-	files := make([]string, 0)
 	g = filepathext.SmartJoin(dir, g)
 
-	g, err := execext.Expand(g)
+	fs, err := execext.ExpandFields(g)
 	if err != nil {
 		return nil, err
 	}
 
-	fs, err := zglob.GlobFollowSymlinks(g)
+	results := make(map[string]bool, len(fs))
-	if err != nil {
-		return nil, err
-	}
 
 	for _, f := range fs {
 		info, err := os.Stat(f)
@@ -54,7 +41,18 @@ func Glob(dir string, g string) ([]string, error) {
 		if info.IsDir() {
 			continue
 		}
-		files = append(files, f)
+		results[f] = true
 	}
-	return files, nil
+	return collectKeys(results), nil
+}
+
+func collectKeys(m map[string]bool) []string {
+	keys := make([]string, 0, len(m))
+	for k, v := range m {
+		if v {
+			keys = append(keys, k)
+		}
+	}
+	sort.Strings(keys)
+	return keys
 }

internal/fingerprint/sources_checksum.go

@@ -56,7 +56,7 @@ func (checker *ChecksumChecker) IsUpToDate(t *ast.Task) (bool, error) {
 			if g.Negate {
 				continue
 			}
-			generates, err := Glob(t.Dir, g.Glob)
+			generates, err := glob(t.Dir, g.Glob)
 			if os.IsNotExist(err) {
 				return false, nil
 			}

internal/fingerprint/task_test.go

@@ -1,14 +1,12 @@
 package fingerprint
 
 import (
-	"context"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 
-	"github.com/go-task/task/v3/internal/mocks"
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
@@ -31,8 +29,8 @@ func TestIsTaskUpToDate(t *testing.T) {
 	tests := []struct {
 		name                    string
 		task                    *ast.Task
-		setupMockStatusChecker  func(m *mocks.StatusCheckable)
+		setupMockStatusChecker  func(m *MockStatusCheckable)
-		setupMockSourcesChecker func(m *mocks.SourcesCheckable)
+		setupMockSourcesChecker func(m *MockSourcesCheckable)
 		expected                bool
 	}{
 		{
@@ -52,7 +50,7 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
 			setupMockStatusChecker: nil,
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(true, nil)
 			},
 			expected: true,
@@ -64,7 +62,7 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
 			setupMockStatusChecker: nil,
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(false, nil)
 			},
 			expected: false,
@@ -75,7 +73,7 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: nil,
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(true, nil)
 			},
 			setupMockSourcesChecker: nil,
@@ -87,10 +85,10 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(true, nil)
 			},
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(true, nil)
 			},
 			expected: true,
@@ -101,10 +99,10 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(true, nil)
 			},
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(false, nil)
 			},
 			expected: false,
@@ -115,7 +113,7 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: nil,
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(false, nil)
 			},
 			setupMockSourcesChecker: nil,
@@ -127,10 +125,10 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(false, nil)
 			},
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(true, nil)
 			},
 			expected: false,
@@ -141,10 +139,10 @@ func TestIsTaskUpToDate(t *testing.T) {
 				Status:  []string{"status"},
 				Sources: []*ast.Glob{{Glob: "sources"}},
 			},
-			setupMockStatusChecker: func(m *mocks.StatusCheckable) {
+			setupMockStatusChecker: func(m *MockStatusCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything, mock.Anything).Return(false, nil)
 			},
-			setupMockSourcesChecker: func(m *mocks.SourcesCheckable) {
+			setupMockSourcesChecker: func(m *MockSourcesCheckable) {
 				m.EXPECT().IsUpToDate(mock.Anything).Return(false, nil)
 			},
 			expected: false,
@@ -154,18 +152,18 @@ func TestIsTaskUpToDate(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			mockStatusChecker := mocks.NewStatusCheckable(t)
+			mockStatusChecker := NewMockStatusCheckable(t)
 			if tt.setupMockStatusChecker != nil {
 				tt.setupMockStatusChecker(mockStatusChecker)
 			}
 
-			mockSourcesChecker := mocks.NewSourcesCheckable(t)
+			mockSourcesChecker := NewMockSourcesCheckable(t)
 			if tt.setupMockSourcesChecker != nil {
 				tt.setupMockSourcesChecker(mockSourcesChecker)
 			}
 
 			result, err := IsTaskUpToDate(
-				context.Background(),
+				t.Context(),
 				tt.task,
 				WithStatusChecker(mockStatusChecker),
 				WithSourcesChecker(mockSourcesChecker),

internal/flags/flags.go

@@ -4,14 +4,18 @@ import (
 	"cmp"
 	"log"
 	"os"
-	"strconv"
+	"path/filepath"
 	"time"
 
 	"github.com/spf13/pflag"
 
+	"github.com/go-task/task/v3"
 	"github.com/go-task/task/v3/errors"
-	"github.com/go-task/task/v3/internal/experiments"
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/internal/sort"
 	"github.com/go-task/task/v3/taskfile/ast"
+	"github.com/go-task/task/v3/taskrc"
+	taskrcast "github.com/go-task/task/v3/taskrc/ast"
 )
 
 const usage = `Usage: task [flags...] [task...]
@@ -37,55 +41,78 @@ Options:
 `
 
 var (
-	Version     bool
+	Version             bool
-	Help        bool
+	Help                bool
-	Init        bool
+	Init                bool
-	Completion  string
+	TUI                 bool
-	List        bool
+	Completion          string
-	ListAll     bool
+	List                bool
-	ListJson    bool
+	ListAll             bool
-	TaskSort    string
+	ListJson            bool
-	Status      bool
+	TaskSort            string
-	NoStatus    bool
+	Status              bool
-	Insecure    bool
+	NoStatus            bool
-	Force       bool
+	Nested              bool
-	ForceAll    bool
+	Insecure            bool
-	Watch       bool
+	Force               bool
-	Verbose     bool
+	ForceAll            bool
-	Silent      bool
+	Watch               bool
-	AssumeYes   bool
+	Verbose             bool
-	Dry         bool
+	Silent              bool
-	Summary     bool
+	AssumeYes           bool
-	ExitCode    bool
+	Dry                 bool
-	Parallel    bool
+	Summary             bool
-	Concurrency int
+	ExitCode            bool
-	Dir         string
+	Parallel            bool
-	Entrypoint  string
+	Concurrency         int
-	Output      ast.Output
+	Dir                 string
-	Color       bool
+	Entrypoint          string
-	Interval    time.Duration
+	Output              ast.Output
-	Global      bool
+	Color               bool
-	Experiments bool
+	Interval            time.Duration
-	Download    bool
+	Global              bool
-	Offline     bool
+	Experiments         bool
-	ClearCache  bool
+	Download            bool
-	Timeout     time.Duration
+	Offline             bool
+	ClearCache          bool
+	Timeout             time.Duration
+	CacheExpiryDuration time.Duration
 )
 
 func init() {
+	// Config files can enable experiments which alter the availability and/or
+	// behavior of some flags, so we need to parse the experiments before the
+	// flags. However, we need the --taskfile and --dir flags before we can
+	// parse the experiments as they can alter the location of the config files.
+	// Because of this circular dependency, we parse the flags twice. First, we
+	// get the --taskfile and --dir flags, then we parse the experiments, then
+	// we parse the flags again to get the full set. We use a flagset here so
+	// that we can parse a subset of flags without exiting on error.
+	var dir, entrypoint string
+	fs := pflag.NewFlagSet("experiments", pflag.ContinueOnError)
+	fs.StringVarP(&dir, "dir", "d", "", "")
+	fs.StringVarP(&entrypoint, "taskfile", "t", "", "")
+	fs.Usage = func() {}
+	_ = fs.Parse(os.Args[1:])
+
+	// Parse the experiments
+	dir = cmp.Or(dir, filepath.Dir(entrypoint))
+
+	config, _ := taskrc.GetConfig(dir)
+	experiments.ParseWithConfig(dir, config)
+
+	// Parse the rest of the flags
 	log.SetFlags(0)
 	log.SetOutput(os.Stderr)
 	pflag.Usage = func() {
 		log.Print(usage)
 		pflag.PrintDefaults()
 	}
-	offline, err := strconv.ParseBool(cmp.Or(os.Getenv("TASK_OFFLINE"), "false"))
+
-	if err != nil {
-		offline = false
-	}
 	pflag.BoolVar(&Version, "version", false, "Show Task version.")
 	pflag.BoolVarP(&Help, "help", "h", false, "Shows Task usage.")
 	pflag.BoolVarP(&Init, "init", "i", false, "Creates a new Taskfile.yml in the current folder.")
+	pflag.BoolVarP(&TUI, "tui", "T", false, "Runs Task in TUI mode.")
 	pflag.StringVar(&Completion, "completion", "", "Generates shell completion script.")
 	pflag.BoolVarP(&List, "list", "l", false, "Lists tasks with description of current Taskfile.")
 	pflag.BoolVarP(&ListAll, "list-all", "a", false, "Lists tasks with or without a description.")
@@ -93,29 +120,30 @@ func init() {
 	pflag.StringVar(&TaskSort, "sort", "", "Changes the order of the tasks when listed. [default|alphanumeric|none].")
 	pflag.BoolVar(&Status, "status", false, "Exits with non-zero exit code if any of the given tasks is not up-to-date.")
 	pflag.BoolVar(&NoStatus, "no-status", false, "Ignore status when listing tasks as JSON")
-	pflag.BoolVar(&Insecure, "insecure", false, "Forces Task to download Taskfiles over insecure connections.")
+	pflag.BoolVar(&Nested, "nested", false, "Nest namespaces when listing tasks as JSON")
+	pflag.BoolVar(&Insecure, "insecure", getConfig(config, func() *bool { return config.Remote.Insecure }, false), "Forces Task to download Taskfiles over insecure connections.")
 	pflag.BoolVarP(&Watch, "watch", "w", false, "Enables watch of the given task.")
-	pflag.BoolVarP(&Verbose, "verbose", "v", false, "Enables verbose mode.")
+	pflag.BoolVarP(&Verbose, "verbose", "v", getConfig(config, func() *bool { return config.Verbose }, false), "Enables verbose mode.")
 	pflag.BoolVarP(&Silent, "silent", "s", false, "Disables echoing.")
 	pflag.BoolVarP(&AssumeYes, "yes", "y", false, "Assume \"yes\" as answer to all prompts.")
 	pflag.BoolVarP(&Parallel, "parallel", "p", false, "Executes tasks provided on command line in parallel.")
 	pflag.BoolVarP(&Dry, "dry", "n", false, "Compiles and prints tasks in the order that they would be run, without executing them.")
 	pflag.BoolVar(&Summary, "summary", false, "Show summary about a task.")
 	pflag.BoolVarP(&ExitCode, "exit-code", "x", false, "Pass-through the exit code of the task command.")
-	pflag.StringVarP(&Dir, "dir", "d", "", "Sets directory of execution.")
+	pflag.StringVarP(&Dir, "dir", "d", "", "Sets the directory in which Task will execute and look for a Taskfile.")
 	pflag.StringVarP(&Entrypoint, "taskfile", "t", "", `Choose which Taskfile to run. Defaults to "Taskfile.yml".`)
 	pflag.StringVarP(&Output.Name, "output", "o", "", "Sets output style: [interleaved|group|prefixed].")
 	pflag.StringVar(&Output.Group.Begin, "output-group-begin", "", "Message template to print before a task's grouped output.")
 	pflag.StringVar(&Output.Group.End, "output-group-end", "", "Message template to print after a task's grouped output.")
 	pflag.BoolVar(&Output.Group.ErrorOnly, "output-group-error-only", false, "Swallow output from successful tasks.")
 	pflag.BoolVarP(&Color, "color", "c", true, "Colored output. Enabled by default. Set flag to false or use NO_COLOR=1 to disable.")
-	pflag.IntVarP(&Concurrency, "concurrency", "C", 0, "Limit number of tasks to run concurrently.")
+	pflag.IntVarP(&Concurrency, "concurrency", "C", getConfig(config, func() *int { return config.Concurrency }, 0), "Limit number of tasks to run concurrently.")
 	pflag.DurationVarP(&Interval, "interval", "I", 0, "Interval to watch for changes.")
 	pflag.BoolVarP(&Global, "global", "g", false, "Runs global Taskfile, from $HOME/{T,t}askfile.{yml,yaml}.")
 	pflag.BoolVar(&Experiments, "experiments", false, "Lists all the available experiments and whether or not they are enabled.")
 
 	// Gentle force experiment will override the force flag and add a new force-all flag
-	if experiments.GentleForce.Enabled {
+	if experiments.GentleForce.Enabled() {
 		pflag.BoolVarP(&Force, "force", "f", false, "Forces execution of the directly called task.")
 		pflag.BoolVar(&ForceAll, "force-all", false, "Forces execution of the called task and all its dependant tasks.")
 	} else {
@@ -123,13 +151,13 @@ func init() {
 	}
 
 	// Remote Taskfiles experiment will adds the "download" and "offline" flags
-	if experiments.RemoteTaskfiles.Enabled {
+	if experiments.RemoteTaskfiles.Enabled() {
 		pflag.BoolVar(&Download, "download", false, "Downloads a cached version of a remote Taskfile.")
-		pflag.BoolVar(&Offline, "offline", offline, "Forces Task to only use local or cached Taskfiles.")
+		pflag.BoolVar(&Offline, "offline", getConfig(config, func() *bool { return config.Remote.Offline }, false), "Forces Task to only use local or cached Taskfiles.")
-		pflag.DurationVar(&Timeout, "timeout", time.Second*10, "Timeout for downloading remote Taskfiles.")
+		pflag.DurationVar(&Timeout, "timeout", getConfig(config, func() *time.Duration { return config.Remote.Timeout }, time.Second*10), "Timeout for downloading remote Taskfiles.")
 		pflag.BoolVar(&ClearCache, "clear-cache", false, "Clear the remote cache.")
+		pflag.DurationVar(&CacheExpiryDuration, "expiry", getConfig(config, func() *time.Duration { return config.Remote.CacheExpiry }, 0), "Expiry duration for cached remote Taskfiles.")
 	}
-
 	pflag.Parse()
 }
 
@@ -143,8 +171,7 @@ func Validate() error {
 	}
 
 	if Global && Dir != "" {
-		log.Fatal("task: You can't set both --global and --dir")
+		return errors.New("task: You can't set both --global and --dir")
-		return nil
 	}
 
 	if Output.Name != "group" {
@@ -159,5 +186,87 @@ func Validate() error {
 		}
 	}
 
+	if List && ListAll {
+		return errors.New("task: cannot use --list and --list-all at the same time")
+	}
+
+	if ListJson && !List && !ListAll {
+		return errors.New("task: --json only applies to --list or --list-all")
+	}
+
+	if NoStatus && !ListJson {
+		return errors.New("task: --no-status only applies to --json with --list or --list-all")
+	}
+
+	if Nested && !ListJson {
+		return errors.New("task: --nested only applies to --json with --list or --list-all")
+	}
+
 	return nil
 }
+
+// WithFlags is a special internal functional option that is used to pass flags
+// from the CLI into any constructor that accepts functional options.
+func WithFlags() task.ExecutorOption {
+	return &flagsOption{}
+}
+
+type flagsOption struct{}
+
+func (o *flagsOption) ApplyToExecutor(e *task.Executor) {
+	// Set the sorter
+	var sorter sort.Sorter
+	switch TaskSort {
+	case "none":
+		sorter = sort.NoSort
+	case "alphanumeric":
+		sorter = sort.AlphaNumeric
+	}
+
+	// Change the directory to the user's home directory if the global flag is set
+	dir := Dir
+	if Global {
+		home, err := os.UserHomeDir()
+		if err == nil {
+			dir = home
+		}
+	}
+
+	e.Options(
+		task.WithDir(dir),
+		task.WithEntrypoint(Entrypoint),
+		task.WithForce(Force),
+		task.WithForceAll(ForceAll),
+		task.WithInsecure(Insecure),
+		task.WithDownload(Download),
+		task.WithOffline(Offline),
+		task.WithTimeout(Timeout),
+		task.WithCacheExpiryDuration(CacheExpiryDuration),
+		task.WithWatch(Watch),
+		task.WithVerbose(Verbose),
+		task.WithSilent(Silent),
+		task.WithAssumeYes(AssumeYes),
+		task.WithDry(Dry || Status),
+		task.WithSummary(Summary),
+		task.WithParallel(Parallel),
+		task.WithColor(Color),
+		task.WithConcurrency(Concurrency),
+		task.WithInterval(Interval),
+		task.WithOutputStyle(Output),
+		task.WithTaskSorter(sorter),
+		task.WithVersionCheck(true),
+	)
+}
+
+// getConfig extracts a config value directly from a pointer field with a fallback default
+func getConfig[T any](config *taskrcast.TaskRC, fieldFunc func() *T, fallback T) T {
+	if config == nil {
+		return fallback
+	}
+
+	field := fieldFunc()
+	if field != nil {
+		return *field
+	}
+	return fallback
+}

internal/fsext/fs.go

@@ -0,0 +1,202 @@
+package fsext
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/internal/sysinfo"
+)
+
+// DefaultDir will return the default directory given an entrypoint or
+// directory. If the directory is set, it will ensure it is an absolute path and
+// return it. If the entrypoint is set, but the directory is not, it will leave
+// the directory blank. If both are empty, it will default the directory to the
+// current working directory.
+func DefaultDir(entrypoint, dir string) string {
+	// If the directory is set, ensure it is an absolute path
+	if dir != "" {
+		var err error
+		dir, err = filepath.Abs(dir)
+		if err != nil {
+			return ""
+		}
+		return dir
+	}
+
+	// If the entrypoint and dir are empty, we default the directory to the current working directory
+	if entrypoint == "" {
+		wd, err := os.Getwd()
+		if err != nil {
+			return ""
+		}
+		return wd
+	}
+
+	// If the entrypoint is set, but the directory is not, we leave the directory blank
+	return ""
+}
+
+// ResolveDir returns an absolute path to the directory that the task should be
+// run in. If the entrypoint and dir are BOTH set, then the Taskfile will not
+// sit inside the directory specified by dir and we should ensure that the dir
+// is absolute. Otherwise, the dir will always be the parent directory of the
+// resolved entrypoint, so we should return that parent directory.
+func ResolveDir(entrypoint, resolvedEntrypoint, dir string) (string, error) {
+	if entrypoint != "" && dir != "" {
+		return filepath.Abs(dir)
+	}
+	return filepath.Dir(resolvedEntrypoint), nil
+}
+
+// Search looks for files with the given possible filenames using the given
+// entrypoint and directory. If the entrypoint is set, it checks if the
+// entrypoint matches a file or if it matches a directory containing one of the
+// possible filenames. Otherwise, it walks up the file tree starting at the
+// given directory and performs a search in each directory for the possible
+// filenames until it finds a match or reaches the root directory. If the
+// entrypoint and directory are both empty, it defaults the directory to the
+// current working directory and performs a recursive search starting there. If
+// a match is found, the absolute path to the file is returned with its
+// directory. If no match is found, an error is returned.
+func Search(entrypoint, dir string, possibleFilenames []string) (string, error) {
+	var err error
+	if entrypoint != "" {
+		entrypoint, err = SearchPath(entrypoint, possibleFilenames)
+		if err != nil {
+			return "", err
+		}
+		return entrypoint, nil
+	}
+	if dir == "" {
+		dir, err = os.Getwd()
+		if err != nil {
+			return "", err
+		}
+	}
+	entrypoint, err = SearchPathRecursively(dir, possibleFilenames)
+	if err != nil {
+		return "", err
+	}
+	return entrypoint, nil
+}
+
+// SearchAll looks for files with the given possible filenames using the given
+// entrypoint and directory. If the entrypoint is set, it checks if the
+// entrypoint matches a file or if it matches a directory containing one of the
+// possible filenames and add it to a list of matches. It then walks up the file
+// tree starting at the given directory and performs a search in each directory
+// for the possible filenames until it finds a match or reaches the root
+// directory. If the entrypoint and directory are both empty, it defaults the
+// directory to the current working directory and performs a recursive search
+// starting there. If matches are found, the absolute path to each file is added
+// to the list and returned.
+func SearchAll(entrypoint, dir string, possibleFilenames []string) ([]string, error) {
+	var err error
+	var entrypoints []string
+	if entrypoint != "" {
+		entrypoint, err = SearchPath(entrypoint, possibleFilenames)
+		if err != nil {
+			return nil, err
+		}
+		entrypoints = append(entrypoints, entrypoint)
+	}
+	if dir == "" {
+		dir, err = os.Getwd()
+		if err != nil {
+			return nil, err
+		}
+	}
+	paths, err := SearchNPathRecursively(dir, possibleFilenames, -1)
+	if err != nil {
+		return nil, err
+	}
+	return append(entrypoints, paths...), nil
+}
+
+// SearchPath will check if a file at the given path exists or not. If it does,
+// it will return the path to it. If it does not, it will search for any files
+// at the given path with any of the given possible names. If any of these match
+// a file, the first matching path will be returned. If no files are found, an
+// error will be returned.
+func SearchPath(path string, possibleFilenames []string) (string, error) {
+	// Get file info about the path
+	fi, err := os.Stat(path)
+	if err != nil {
+		return "", err
+	}
+
+	// If the path exists and is a regular file, device, symlink, or named pipe,
+	// return the absolute path to it
+	if fi.Mode().IsRegular() ||
+		fi.Mode()&os.ModeDevice != 0 ||
+		fi.Mode()&os.ModeSymlink != 0 ||
+		fi.Mode()&os.ModeNamedPipe != 0 {
+		return filepath.Abs(path)
+	}
+
+	// If the path is a directory, check if any of the possible names exist
+	// in that directory
+	for _, filename := range possibleFilenames {
+		alt := filepathext.SmartJoin(path, filename)
+		if _, err := os.Stat(alt); err == nil {
+			return filepath.Abs(alt)
+		}
+	}
+
+	return "", os.ErrNotExist
+}
+
+// SearchPathRecursively walks up the directory tree starting at the given
+// path, calling the Search function in each directory until it finds a matching
+// file or reaches the root directory. On supported operating systems, it will
+// also check if the user ID of the directory changes and abort if it does.
+func SearchPathRecursively(path string, possibleFilenames []string) (string, error) {
+	paths, err := SearchNPathRecursively(path, possibleFilenames, 1)
+	if err != nil {
+		return "", err
+	}
+	if len(paths) == 0 {
+		return "", os.ErrNotExist
+	}
+	return paths[0], nil
+}
+
+// SearchNPathRecursively walks up the directory tree starting at the given
+// path, calling the Search function in each directory and adding each matching
+// file that it finds to a list until it reaches the root directory or the
+// length of the list exceeds n. On supported operating systems, it will also
+// check if the user ID of the directory changes and abort if it does.
+func SearchNPathRecursively(path string, possibleFilenames []string, n int) ([]string, error) {
+	var paths []string
+
+	owner, err := sysinfo.Owner(path)
+	if err != nil {
+		return nil, err
+	}
+
+	for n == -1 || len(paths) < n {
+		fpath, err := SearchPath(path, possibleFilenames)
+		if err == nil {
+			paths = append(paths, fpath)
+		}
+
+		// Get the parent path/user id
+		parentPath := filepath.Dir(path)
+		parentOwner, err := sysinfo.Owner(parentPath)
+		if err != nil {
+			return nil, err
+		}
+
+		// Error if we reached the root directory and still haven't found a file
+		// OR if the user id of the directory changes
+		if path == parentPath || (parentOwner != owner) {
+			return paths, nil
+		}
+
+		owner = parentOwner
+		path = parentPath
+	}
+
+	return paths, nil
+}

internal/fsext/fs_test.go

@@ -0,0 +1,224 @@
+package fsext
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestDefaultDir(t *testing.T) {
+	t.Parallel()
+
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+
+	tests := []struct {
+		name       string
+		entrypoint string
+		dir        string
+		expected   string
+	}{
+		{
+			name:       "default to current working directory",
+			entrypoint: "",
+			dir:        "",
+			expected:   wd,
+		},
+		{
+			name:       "resolves relative dir path",
+			entrypoint: "",
+			dir:        "./dir",
+			expected:   filepath.Join(wd, "dir"),
+		},
+		{
+			name:       "return entrypoint if set",
+			entrypoint: filepath.Join(wd, "entrypoint"),
+			dir:        "",
+			expected:   "",
+		},
+		{
+			name:       "if entrypoint and dir are set",
+			entrypoint: filepath.Join(wd, "entrypoint"),
+			dir:        filepath.Join(wd, "dir"),
+			expected:   filepath.Join(wd, "dir"),
+		},
+		{
+			name:       "if entrypoint and dir are set and dir is relative",
+			entrypoint: filepath.Join(wd, "entrypoint"),
+			dir:        "./dir",
+			expected:   filepath.Join(wd, "dir"),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			require.Equal(t, tt.expected, DefaultDir(tt.entrypoint, tt.dir))
+		})
+	}
+}
+
+func TestSearch(t *testing.T) {
+	t.Parallel()
+
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+
+	tests := []struct {
+		name               string
+		entrypoint         string
+		dir                string
+		possibleFilenames  []string
+		expectedEntrypoint string
+	}{
+		{
+			name:               "find foo.txt using relative entrypoint",
+			entrypoint:         "./testdata/foo.txt",
+			possibleFilenames:  []string{"foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find foo.txt using absolute entrypoint",
+			entrypoint:         filepath.Join(wd, "testdata", "foo.txt"),
+			possibleFilenames:  []string{"foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find foo.txt using relative dir",
+			dir:                "./testdata",
+			possibleFilenames:  []string{"foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find foo.txt using absolute dir",
+			dir:                filepath.Join(wd, "testdata"),
+			possibleFilenames:  []string{"foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find foo.txt using relative dir and relative entrypoint",
+			entrypoint:         "./testdata/foo.txt",
+			dir:                "./testdata/some/other/dir",
+			possibleFilenames:  []string{"foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find fs.go using no entrypoint or dir",
+			entrypoint:         "",
+			dir:                "",
+			possibleFilenames:  []string{"fs.go"},
+			expectedEntrypoint: filepath.Join(wd, "fs.go"),
+		},
+		{
+			name:               "find ../../Taskfile.yml using no entrypoint or dir by walking",
+			entrypoint:         "",
+			dir:                "",
+			possibleFilenames:  []string{"Taskfile.yml"},
+			expectedEntrypoint: filepath.Join(wd, "..", "..", "Taskfile.yml"),
+		},
+		{
+			name:               "find foo.txt first if listed first in possible filenames",
+			entrypoint:         "./testdata",
+			possibleFilenames:  []string{"foo.txt", "bar.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+		},
+		{
+			name:               "find bar.txt first if listed first in possible filenames",
+			entrypoint:         "./testdata",
+			possibleFilenames:  []string{"bar.txt", "foo.txt"},
+			expectedEntrypoint: filepath.Join(wd, "testdata", "bar.txt"),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			entrypoint, err := Search(tt.entrypoint, tt.dir, tt.possibleFilenames)
+			require.NoError(t, err)
+			require.Equal(t, tt.expectedEntrypoint, entrypoint)
+			require.NoError(t, err)
+		})
+	}
+}
+
+func TestResolveDir(t *testing.T) {
+	t.Parallel()
+
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+
+	tests := []struct {
+		name               string
+		entrypoint         string
+		resolvedEntrypoint string
+		dir                string
+		expectedDir        string
+	}{
+		{
+			name:               "find foo.txt using relative entrypoint",
+			entrypoint:         "./testdata/foo.txt",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+		{
+			name:               "find foo.txt using absolute entrypoint",
+			entrypoint:         filepath.Join(wd, "testdata", "foo.txt"),
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+		{
+			name:               "find foo.txt using relative dir",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			dir:                "./testdata",
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+		{
+			name:               "find foo.txt using absolute dir",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			dir:                filepath.Join(wd, "testdata"),
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+		{
+			name:               "find foo.txt using relative dir and relative entrypoint",
+			entrypoint:         "./testdata/foo.txt",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			dir:                "./testdata/some/other/dir",
+			expectedDir:        filepath.Join(wd, "testdata", "some", "other", "dir"),
+		},
+		{
+			name:               "find fs.go using no entrypoint or dir",
+			entrypoint:         "",
+			resolvedEntrypoint: filepath.Join(wd, "fs.go"),
+			dir:                "",
+			expectedDir:        wd,
+		},
+		{
+			name:               "find ../../Taskfile.yml using no entrypoint or dir by walking",
+			entrypoint:         "",
+			resolvedEntrypoint: filepath.Join(wd, "..", "..", "Taskfile.yml"),
+			dir:                "",
+			expectedDir:        filepath.Join(wd, "..", ".."),
+		},
+		{
+			name:               "find foo.txt first if listed first in possible filenames",
+			entrypoint:         "./testdata",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "foo.txt"),
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+		{
+			name:               "find bar.txt first if listed first in possible filenames",
+			entrypoint:         "./testdata",
+			resolvedEntrypoint: filepath.Join(wd, "testdata", "bar.txt"),
+			expectedDir:        filepath.Join(wd, "testdata"),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+			dir, err := ResolveDir(tt.entrypoint, tt.resolvedEntrypoint, tt.dir)
+			require.NoError(t, err)
+			require.Equal(t, tt.expectedDir, dir)
+			require.NoError(t, err)
+		})
+	}
+}

internal/fsnotifyext/fsnotify_dedup.go

@@ -0,0 +1,51 @@
+package fsnotifyext
+
+import (
+	"math"
+	"time"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+type Deduper struct {
+	w        *fsnotify.Watcher
+	waitTime time.Duration
+}
+
+func NewDeduper(w *fsnotify.Watcher, waitTime time.Duration) *Deduper {
+	return &Deduper{
+		w:        w,
+		waitTime: waitTime,
+	}
+}
+
+// GetChan returns a chan of deduplicated [fsnotify.Event].
+//
+// [fsnotify.Chmod] operations will be skipped.
+func (d *Deduper) GetChan() <-chan fsnotify.Event {
+	channel := make(chan fsnotify.Event)
+
+	go func() {
+		timers := make(map[string]*time.Timer)
+		for {
+			event, ok := <-d.w.Events
+			switch {
+			case !ok:
+				return
+			case event.Has(fsnotify.Chmod):
+				continue
+			}
+
+			timer, ok := timers[event.String()]
+			if !ok {
+				timer = time.AfterFunc(math.MaxInt64, func() { channel <- event })
+				timer.Stop()
+				timers[event.String()] = timer
+			}
+
+			timer.Reset(d.waitTime)
+		}
+	}()
+
+	return channel
+}

internal/logger/logger.go

@@ -8,9 +8,12 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/Ladicle/tabwriter"
 	"github.com/fatih/color"
 
 	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/experiments"
+	"github.com/go-task/task/v3/internal/env"
 	"github.com/go-task/task/v3/internal/term"
 )
 
@@ -19,70 +22,86 @@ var (
 	ErrNoTerminal      = errors.New("no terminal")
 )
 
+var (
+	attrsReset       = envColor("COLOR_RESET", color.Reset)
+	attrsFgBlue      = envColor("COLOR_BLUE", color.FgBlue)
+	attrsFgGreen     = envColor("COLOR_GREEN", color.FgGreen)
+	attrsFgCyan      = envColor("COLOR_CYAN", color.FgCyan)
+	attrsFgYellow    = envColor("COLOR_YELLOW", color.FgYellow)
+	attrsFgMagenta   = envColor("COLOR_MAGENTA", color.FgMagenta)
+	attrsFgRed       = envColor("COLOR_RED", color.FgRed)
+	attrsFgHiBlue    = envColor("COLOR_BRIGHT_BLUE", color.FgHiBlue)
+	attrsFgHiGreen   = envColor("COLOR_BRIGHT_GREEN", color.FgHiGreen)
+	attrsFgHiCyan    = envColor("COLOR_BRIGHT_CYAN", color.FgHiCyan)
+	attrsFgHiYellow  = envColor("COLOR_BRIGHT_YELLOW", color.FgHiYellow)
+	attrsFgHiMagenta = envColor("COLOR_BRIGHT_MAGENTA", color.FgHiMagenta)
+	attrsFgHiRed     = envColor("COLOR_BRIGHT_RED", color.FgHiRed)
+)
+
 type (
 	Color     func() PrintFunc
 	PrintFunc func(io.Writer, string, ...any)
 )
 
 func Default() PrintFunc {
-	return color.New(envColor("TASK_COLOR_RESET", color.Reset)...).FprintfFunc()
+	return color.New(attrsReset...).FprintfFunc()
 }
 
 func Blue() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BLUE", color.FgBlue)...).FprintfFunc()
+	return color.New(attrsFgBlue...).FprintfFunc()
 }
 
 func Green() PrintFunc {
-	return color.New(envColor("TASK_COLOR_GREEN", color.FgGreen)...).FprintfFunc()
+	return color.New(attrsFgGreen...).FprintfFunc()
 }
 
 func Cyan() PrintFunc {
-	return color.New(envColor("TASK_COLOR_CYAN", color.FgCyan)...).FprintfFunc()
+	return color.New(attrsFgCyan...).FprintfFunc()
 }
 
 func Yellow() PrintFunc {
-	return color.New(envColor("TASK_COLOR_YELLOW", color.FgYellow)...).FprintfFunc()
+	return color.New(attrsFgYellow...).FprintfFunc()
 }
 
 func Magenta() PrintFunc {
-	return color.New(envColor("TASK_COLOR_MAGENTA", color.FgMagenta)...).FprintfFunc()
+	return color.New(attrsFgMagenta...).FprintfFunc()
 }
 
 func Red() PrintFunc {
-	return color.New(envColor("TASK_COLOR_RED", color.FgRed)...).FprintfFunc()
+	return color.New(attrsFgRed...).FprintfFunc()
 }
 
 func BrightBlue() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_BLUE", color.FgHiBlue)...).FprintfFunc()
+	return color.New(attrsFgHiBlue...).FprintfFunc()
 }
 
 func BrightGreen() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_GREEN", color.FgHiGreen)...).FprintfFunc()
+	return color.New(attrsFgHiGreen...).FprintfFunc()
 }
 
 func BrightCyan() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_CYAN", color.FgHiCyan)...).FprintfFunc()
+	return color.New(attrsFgHiCyan...).FprintfFunc()
 }
 
 func BrightYellow() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_YELLOW", color.FgHiYellow)...).FprintfFunc()
+	return color.New(attrsFgHiYellow...).FprintfFunc()
 }
 
 func BrightMagenta() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_MAGENTA", color.FgHiMagenta)...).FprintfFunc()
+	return color.New(attrsFgHiMagenta...).FprintfFunc()
 }
 
 func BrightRed() PrintFunc {
-	return color.New(envColor("TASK_COLOR_BRIGHT_RED", color.FgHiRed)...).FprintfFunc()
+	return color.New(attrsFgHiRed...).FprintfFunc()
 }
 
-func envColor(env string, defaultColor color.Attribute) []color.Attribute {
+func envColor(name string, defaultColor color.Attribute) []color.Attribute {
 	if os.Getenv("FORCE_COLOR") != "" {
 		color.NoColor = false
 	}
 
 	// Fetch the environment variable
-	override := os.Getenv(env)
+	override := env.GetTaskEnv(name)
 
 	// First, try splitting the string by commas (RGB shortcut syntax) and if it
 	// matches, then prepend the 256-color foreground escape sequence.
@@ -195,3 +214,16 @@ func (l *Logger) Prompt(color Color, prompt string, defaultValue string, continu
 
 	return nil
 }
+
+func (l *Logger) PrintExperiments() error {
+	w := tabwriter.NewWriter(l.Stdout, 0, 8, 0, ' ', 0)
+	for _, x := range experiments.List() {
+		if !x.Active() {
+			continue
+		}
+		l.FOutf(w, Yellow, "* ")
+		l.FOutf(w, Green, x.Name)
+		l.FOutf(w, Default, ": \t%s\n", x.String())
+	}
+	return w.Flush()
+}

internal/mocks/sources_checkable.go

@@ -1,226 +0,0 @@
-// Code generated by mockery v2.24.0. DO NOT EDIT.
-
-package mocks
-
-import (
-	ast "github.com/go-task/task/v3/taskfile/ast"
-
-	mock "github.com/stretchr/testify/mock"
-)
-
-// SourcesCheckable is an autogenerated mock type for the SourcesCheckable type
-type SourcesCheckable struct {
-	mock.Mock
-}
-
-type SourcesCheckable_Expecter struct {
-	mock *mock.Mock
-}
-
-func (_m *SourcesCheckable) EXPECT() *SourcesCheckable_Expecter {
-	return &SourcesCheckable_Expecter{mock: &_m.Mock}
-}
-
-// IsUpToDate provides a mock function with given fields: t
-func (_m *SourcesCheckable) IsUpToDate(t *ast.Task) (bool, error) {
-	ret := _m.Called(t)
-
-	var r0 bool
-	var r1 error
-	if rf, ok := ret.Get(0).(func(*ast.Task) (bool, error)); ok {
-		return rf(t)
-	}
-	if rf, ok := ret.Get(0).(func(*ast.Task) bool); ok {
-		r0 = rf(t)
-	} else {
-		r0 = ret.Get(0).(bool)
-	}
-
-	if rf, ok := ret.Get(1).(func(*ast.Task) error); ok {
-		r1 = rf(t)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// SourcesCheckable_IsUpToDate_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IsUpToDate'
-type SourcesCheckable_IsUpToDate_Call struct {
-	*mock.Call
-}
-
-// IsUpToDate is a helper method to define mock.On call
-//   - t *ast.Task
-func (_e *SourcesCheckable_Expecter) IsUpToDate(t interface{}) *SourcesCheckable_IsUpToDate_Call {
-	return &SourcesCheckable_IsUpToDate_Call{Call: _e.mock.On("IsUpToDate", t)}
-}
-
-func (_c *SourcesCheckable_IsUpToDate_Call) Run(run func(t *ast.Task)) *SourcesCheckable_IsUpToDate_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*ast.Task))
-	})
-	return _c
-}
-
-func (_c *SourcesCheckable_IsUpToDate_Call) Return(_a0 bool, _a1 error) *SourcesCheckable_IsUpToDate_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *SourcesCheckable_IsUpToDate_Call) RunAndReturn(run func(*ast.Task) (bool, error)) *SourcesCheckable_IsUpToDate_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Kind provides a mock function with given fields:
-func (_m *SourcesCheckable) Kind() string {
-	ret := _m.Called()
-
-	var r0 string
-	if rf, ok := ret.Get(0).(func() string); ok {
-		r0 = rf()
-	} else {
-		r0 = ret.Get(0).(string)
-	}
-
-	return r0
-}
-
-// SourcesCheckable_Kind_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Kind'
-type SourcesCheckable_Kind_Call struct {
-	*mock.Call
-}
-
-// Kind is a helper method to define mock.On call
-func (_e *SourcesCheckable_Expecter) Kind() *SourcesCheckable_Kind_Call {
-	return &SourcesCheckable_Kind_Call{Call: _e.mock.On("Kind")}
-}
-
-func (_c *SourcesCheckable_Kind_Call) Run(run func()) *SourcesCheckable_Kind_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run()
-	})
-	return _c
-}
-
-func (_c *SourcesCheckable_Kind_Call) Return(_a0 string) *SourcesCheckable_Kind_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *SourcesCheckable_Kind_Call) RunAndReturn(run func() string) *SourcesCheckable_Kind_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// OnError provides a mock function with given fields: t
-func (_m *SourcesCheckable) OnError(t *ast.Task) error {
-	ret := _m.Called(t)
-
-	var r0 error
-	if rf, ok := ret.Get(0).(func(*ast.Task) error); ok {
-		r0 = rf(t)
-	} else {
-		r0 = ret.Error(0)
-	}
-
-	return r0
-}
-
-// SourcesCheckable_OnError_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'OnError'
-type SourcesCheckable_OnError_Call struct {
-	*mock.Call
-}
-
-// OnError is a helper method to define mock.On call
-//   - t *ast.Task
-func (_e *SourcesCheckable_Expecter) OnError(t interface{}) *SourcesCheckable_OnError_Call {
-	return &SourcesCheckable_OnError_Call{Call: _e.mock.On("OnError", t)}
-}
-
-func (_c *SourcesCheckable_OnError_Call) Run(run func(t *ast.Task)) *SourcesCheckable_OnError_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*ast.Task))
-	})
-	return _c
-}
-
-func (_c *SourcesCheckable_OnError_Call) Return(_a0 error) *SourcesCheckable_OnError_Call {
-	_c.Call.Return(_a0)
-	return _c
-}
-
-func (_c *SourcesCheckable_OnError_Call) RunAndReturn(run func(*ast.Task) error) *SourcesCheckable_OnError_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-// Value provides a mock function with given fields: t
-func (_m *SourcesCheckable) Value(t *ast.Task) (interface{}, error) {
-	ret := _m.Called(t)
-
-	var r0 interface{}
-	var r1 error
-	if rf, ok := ret.Get(0).(func(*ast.Task) (interface{}, error)); ok {
-		return rf(t)
-	}
-	if rf, ok := ret.Get(0).(func(*ast.Task) interface{}); ok {
-		r0 = rf(t)
-	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(interface{})
-		}
-	}
-
-	if rf, ok := ret.Get(1).(func(*ast.Task) error); ok {
-		r1 = rf(t)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// SourcesCheckable_Value_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'Value'
-type SourcesCheckable_Value_Call struct {
-	*mock.Call
-}
-
-// Value is a helper method to define mock.On call
-//   - t *ast.Task
-func (_e *SourcesCheckable_Expecter) Value(t interface{}) *SourcesCheckable_Value_Call {
-	return &SourcesCheckable_Value_Call{Call: _e.mock.On("Value", t)}
-}
-
-func (_c *SourcesCheckable_Value_Call) Run(run func(t *ast.Task)) *SourcesCheckable_Value_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(*ast.Task))
-	})
-	return _c
-}
-
-func (_c *SourcesCheckable_Value_Call) Return(_a0 interface{}, _a1 error) *SourcesCheckable_Value_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *SourcesCheckable_Value_Call) RunAndReturn(run func(*ast.Task) (interface{}, error)) *SourcesCheckable_Value_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-type mockConstructorTestingTNewSourcesCheckable interface {
-	mock.TestingT
-	Cleanup(func())
-}
-
-// NewSourcesCheckable creates a new instance of SourcesCheckable. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-func NewSourcesCheckable(t mockConstructorTestingTNewSourcesCheckable) *SourcesCheckable {
-	mock := &SourcesCheckable{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

internal/mocks/status_checkable.go

@@ -1,92 +0,0 @@
-// Code generated by mockery v2.24.0. DO NOT EDIT.
-
-package mocks
-
-import (
-	context "context"
-
-	ast "github.com/go-task/task/v3/taskfile/ast"
-
-	mock "github.com/stretchr/testify/mock"
-)
-
-// StatusCheckable is an autogenerated mock type for the StatusCheckable type
-type StatusCheckable struct {
-	mock.Mock
-}
-
-type StatusCheckable_Expecter struct {
-	mock *mock.Mock
-}
-
-func (_m *StatusCheckable) EXPECT() *StatusCheckable_Expecter {
-	return &StatusCheckable_Expecter{mock: &_m.Mock}
-}
-
-// IsUpToDate provides a mock function with given fields: ctx, t
-func (_m *StatusCheckable) IsUpToDate(ctx context.Context, t *ast.Task) (bool, error) {
-	ret := _m.Called(ctx, t)
-
-	var r0 bool
-	var r1 error
-	if rf, ok := ret.Get(0).(func(context.Context, *ast.Task) (bool, error)); ok {
-		return rf(ctx, t)
-	}
-	if rf, ok := ret.Get(0).(func(context.Context, *ast.Task) bool); ok {
-		r0 = rf(ctx, t)
-	} else {
-		r0 = ret.Get(0).(bool)
-	}
-
-	if rf, ok := ret.Get(1).(func(context.Context, *ast.Task) error); ok {
-		r1 = rf(ctx, t)
-	} else {
-		r1 = ret.Error(1)
-	}
-
-	return r0, r1
-}
-
-// StatusCheckable_IsUpToDate_Call is a *mock.Call that shadows Run/Return methods with type explicit version for method 'IsUpToDate'
-type StatusCheckable_IsUpToDate_Call struct {
-	*mock.Call
-}
-
-// IsUpToDate is a helper method to define mock.On call
-//   - ctx context.Context
-//   - t *ast.Task
-func (_e *StatusCheckable_Expecter) IsUpToDate(ctx interface{}, t interface{}) *StatusCheckable_IsUpToDate_Call {
-	return &StatusCheckable_IsUpToDate_Call{Call: _e.mock.On("IsUpToDate", ctx, t)}
-}
-
-func (_c *StatusCheckable_IsUpToDate_Call) Run(run func(ctx context.Context, t *ast.Task)) *StatusCheckable_IsUpToDate_Call {
-	_c.Call.Run(func(args mock.Arguments) {
-		run(args[0].(context.Context), args[1].(*ast.Task))
-	})
-	return _c
-}
-
-func (_c *StatusCheckable_IsUpToDate_Call) Return(_a0 bool, _a1 error) *StatusCheckable_IsUpToDate_Call {
-	_c.Call.Return(_a0, _a1)
-	return _c
-}
-
-func (_c *StatusCheckable_IsUpToDate_Call) RunAndReturn(run func(context.Context, *ast.Task) (bool, error)) *StatusCheckable_IsUpToDate_Call {
-	_c.Call.Return(run)
-	return _c
-}
-
-type mockConstructorTestingTNewStatusCheckable interface {
-	mock.TestingT
-	Cleanup(func())
-}
-
-// NewStatusCheckable creates a new instance of StatusCheckable. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
-func NewStatusCheckable(t mockConstructorTestingTNewStatusCheckable) *StatusCheckable {
-	mock := &StatusCheckable{}
-	mock.Mock.Test(t)
-
-	t.Cleanup(func() { mock.AssertExpectations(t) })
-
-	return mock
-}

internal/slicesext/slicesext.go

@@ -18,3 +18,15 @@ func UniqueJoin[T cmp.Ordered](ss ...[]T) []T {
 	slices.Sort(r)
 	return slices.Compact(r)
 }
+
+func Convert[T, U any](s []T, f func(T) U) []U {
+	// Create a new slice with the same length as the input slice
+	result := make([]U, len(s))
+
+	// Convert each element using the provided function
+	for i, v := range s {
+		result[i] = f(v)
+	}
+
+	return result
+}

internal/slicesext/slicesext_test.go

@@ -0,0 +1,86 @@
+package slicesext
+
+import (
+	"math"
+	"strconv"
+	"testing"
+)
+
+func TestConvertIntToString(t *testing.T) {
+	t.Parallel()
+	input := []int{1, 2, 3, 4, 5}
+	expected := []string{"1", "2", "3", "4", "5"}
+	result := Convert(input, strconv.Itoa)
+
+	if len(result) != len(expected) {
+		t.Errorf("Expected length %d, got %d", len(expected), len(result))
+	}
+
+	for i := range expected {
+		if result[i] != expected[i] {
+			t.Errorf("At index %d: expected %v, got %v", i, expected[i], result[i])
+		}
+	}
+}
+
+func TestConvertStringToInt(t *testing.T) {
+	t.Parallel()
+	input := []string{"1", "2", "3", "4", "5"}
+	expected := []int{1, 2, 3, 4, 5}
+	result := Convert(input, func(s string) int {
+		n, _ := strconv.Atoi(s)
+		return n
+	})
+
+	if len(result) != len(expected) {
+		t.Errorf("Expected length %d, got %d", len(expected), len(result))
+	}
+
+	for i := range expected {
+		if result[i] != expected[i] {
+			t.Errorf("At index %d: expected %v, got %v", i, expected[i], result[i])
+		}
+	}
+}
+
+func TestConvertFloatToInt(t *testing.T) {
+	t.Parallel()
+	input := []float64{1.1, 2.2, 3.7, 4.5, 5.9}
+	expected := []int{1, 2, 4, 5, 6}
+	result := Convert(input, func(f float64) int {
+		return int(math.Round(f))
+	})
+
+	if len(result) != len(expected) {
+		t.Errorf("Expected length %d, got %d", len(expected), len(result))
+	}
+
+	for i := range expected {
+		if result[i] != expected[i] {
+			t.Errorf("At index %d: expected %v, got %v", i, expected[i], result[i])
+		}
+	}
+}
+
+func TestConvertEmptySlice(t *testing.T) {
+	t.Parallel()
+	input := []int{}
+	result := Convert(input, strconv.Itoa)
+
+	if len(result) != 0 {
+		t.Errorf("Expected empty slice, got length %d", len(result))
+	}
+}
+
+func TestConvertNilSlice(t *testing.T) {
+	t.Parallel()
+	var input []int
+	result := Convert(input, strconv.Itoa)
+
+	if result == nil {
+		t.Error("Expected non-nil empty slice, got nil")
+	}
+	if len(result) != 0 {
+		t.Errorf("Expected empty slice, got length %d", len(result))
+	}
+}

internal/sort/sorter.go

@@ -1,44 +1,44 @@
 package sort
 
 import (
+	"slices"
 	"sort"
 	"strings"
-
-	"github.com/go-task/task/v3/taskfile/ast"
 )
 
-type TaskSorter interface {
+// A Sorter is any function that sorts a set of tasks.
-	Sort([]*ast.Task)
+type Sorter func(items []string, namespaces []string) []string
+
+// NoSort leaves the tasks in the order they are defined.
+func NoSort(items []string, namespaces []string) []string {
+	return items
 }
 
-type Noop struct{}
+// AlphaNumeric sorts the JSON output so that tasks are in alpha numeric order
-
+// by task name.
-func (s *Noop) Sort(tasks []*ast.Task) {}
+func AlphaNumeric(items []string, namespaces []string) []string {
-
+	slices.Sort(items)
-type AlphaNumeric struct{}
+	return items
-
-// Tasks that are not namespaced should be listed before tasks that are.
-// We detect this by searching for a ':' in the task name.
-func (s *AlphaNumeric) Sort(tasks []*ast.Task) {
-	sort.Slice(tasks, func(i, j int) bool {
-		return tasks[i].Task < tasks[j].Task
-	})
 }
 
-type AlphaNumericWithRootTasksFirst struct{}
+// AlphaNumericWithRootTasksFirst sorts the JSON output so that tasks are in
-
+// alpha numeric order by task name. It will also ensure that tasks that are not
-// Tasks that are not namespaced should be listed before tasks that are.
+// namespaced will be listed before tasks that are. We detect this by searching
-// We detect this by searching for a ':' in the task name.
+// for a ':' in the task name.
-func (s *AlphaNumericWithRootTasksFirst) Sort(tasks []*ast.Task) {
+func AlphaNumericWithRootTasksFirst(items []string, namespaces []string) []string {
-	sort.Slice(tasks, func(i, j int) bool {
+	if len(namespaces) > 0 {
-		iContainsColon := strings.Contains(tasks[i].Task, ":")
+		return AlphaNumeric(items, namespaces)
-		jContainsColon := strings.Contains(tasks[j].Task, ":")
+	}
+	sort.Slice(items, func(i, j int) bool {
+		iContainsColon := strings.Contains(items[i], ":")
+		jContainsColon := strings.Contains(items[j], ":")
 		if iContainsColon == jContainsColon {
-			return tasks[i].Task < tasks[j].Task
+			return items[i] < items[j]
 		}
 		if !iContainsColon && jContainsColon {
 			return true
 		}
 		return false
 	})
+	return items
 }

internal/sort/sorter_test.go

@@ -4,39 +4,37 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-
-	"github.com/go-task/task/v3/taskfile/ast"
 )
 
 func TestAlphaNumericWithRootTasksFirst_Sort(t *testing.T) {
 	t.Parallel()
 
-	task1 := &ast.Task{Task: "task1"}
+	item1 := "a-item1"
-	task2 := &ast.Task{Task: "task2"}
+	item2 := "m-item2"
-	task3 := &ast.Task{Task: "ns1:task3"}
+	item3 := "ns1:item3"
-	task4 := &ast.Task{Task: "ns2:task4"}
+	item4 := "ns2:item4"
-	task5 := &ast.Task{Task: "task5"}
+	item5 := "z-item5"
-	task6 := &ast.Task{Task: "ns3:task6"}
+	item6 := "ns3:item6"
 
 	tests := []struct {
 		name  string
-		tasks []*ast.Task
+		items []string
-		want  []*ast.Task
+		want  []string
 	}{
 		{
-			name:  "no namespace tasks sorted alphabetically first",
+			name:  "no namespace items sorted alphabetically first",
-			tasks: []*ast.Task{task3, task2, task1},
+			items: []string{item3, item2, item1},
-			want:  []*ast.Task{task1, task2, task3},
+			want:  []string{item1, item2, item3},
 		},
 		{
-			name:  "namespace tasks sorted alphabetically after non-namespaced tasks",
+			name:  "namespace items sorted alphabetically after non-namespaced items",
-			tasks: []*ast.Task{task3, task4, task5},
+			items: []string{item3, item4, item5},
-			want:  []*ast.Task{task5, task3, task4},
+			want:  []string{item5, item3, item4},
 		},
 		{
-			name:  "all tasks sorted alphabetically with root tasks first",
+			name:  "all items sorted alphabetically with root items first",
-			tasks: []*ast.Task{task6, task5, task4, task3, task2, task1},
+			items: []string{item6, item5, item4, item3, item2, item1},
-			want:  []*ast.Task{task1, task2, task5, task3, task4, task6},
+			want:  []string{item1, item2, item5, item3, item4, item6},
 		},
 	}
 
@@ -44,9 +42,8 @@ func TestAlphaNumericWithRootTasksFirst_Sort(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			s := &AlphaNumericWithRootTasksFirst{}
+			AlphaNumericWithRootTasksFirst(tt.items, nil)
-			s.Sort(tt.tasks)
+			assert.Equal(t, tt.want, tt.items)
-			assert.Equal(t, tt.want, tt.tasks)
 		})
 	}
 }
@@ -54,22 +51,22 @@ func TestAlphaNumericWithRootTasksFirst_Sort(t *testing.T) {
 func TestAlphaNumeric_Sort(t *testing.T) {
 	t.Parallel()
 
-	task1 := &ast.Task{Task: "task1"}
+	item1 := "a-item1"
-	task2 := &ast.Task{Task: "task2"}
+	item2 := "m-item2"
-	task3 := &ast.Task{Task: "ns1:task3"}
+	item3 := "ns1:item3"
-	task4 := &ast.Task{Task: "ns2:task4"}
+	item4 := "ns2:item4"
-	task5 := &ast.Task{Task: "task5"}
+	item5 := "z-item5"
-	task6 := &ast.Task{Task: "ns3:task6"}
+	item6 := "ns3:item6"
 
 	tests := []struct {
 		name  string
-		tasks []*ast.Task
+		items []string
-		want  []*ast.Task
+		want  []string
 	}{
 		{
-			name:  "all tasks sorted alphabetically",
+			name:  "all items sorted alphabetically",
-			tasks: []*ast.Task{task3, task2, task5, task1, task4, task6},
+			items: []string{item3, item2, item5, item1, item4, item6},
-			want:  []*ast.Task{task3, task4, task6, task1, task2, task5},
+			want:  []string{item1, item2, item3, item4, item6, item5},
 		},
 	}
 
@@ -77,9 +74,40 @@ func TestAlphaNumeric_Sort(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			t.Parallel()
 
-			s := &AlphaNumeric{}
+			AlphaNumeric(tt.items, nil)
-			s.Sort(tt.tasks)
+			assert.Equal(t, tt.want, tt.items)
-			assert.Equal(t, tt.tasks, tt.want)
+		})
+	}
+}
+
+func TestNoSort_Sort(t *testing.T) {
+	t.Parallel()
+
+	item1 := "a-item1"
+	item2 := "m-item2"
+	item3 := "ns1:item3"
+	item4 := "ns2:item4"
+	item5 := "z-item5"
+	item6 := "ns3:item6"
+
+	tests := []struct {
+		name  string
+		items []string
+		want  []string
+	}{
+		{
+			name:  "all items in order of definition",
+			items: []string{item3, item2, item5, item1, item4, item6},
+			want:  []string{item3, item2, item5, item1, item4, item6},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			t.Parallel()
+
+			NoSort(tt.items, nil)
+			assert.Equal(t, tt.want, tt.items)
 		})
 	}
 }

internal/summary/summary.go

@@ -7,10 +7,10 @@ import (
 	"github.com/go-task/task/v3/taskfile/ast"
 )
 
-func PrintTasks(l *logger.Logger, t *ast.Taskfile, c []*ast.Call) {
+func PrintTasks(l *logger.Logger, t *ast.Taskfile, c []string) {
 	for i, call := range c {
 		PrintSpaceBetweenSummaries(l, i)
-		if task, ok := t.Tasks.Get(call.Task); ok {
+		if task, ok := t.Tasks.Get(call); ok {
 			PrintTask(l, task)
 		}
 	}

internal/summary/summary_test.go

@@ -179,7 +179,8 @@ func TestPrintAllWithSpaces(t *testing.T) {
 
 	summary.PrintTasks(&l,
 		&ast.Taskfile{Tasks: tasks},
-		[]*ast.Call{{Task: "t1"}, {Task: "t2"}, {Task: "t3"}})
+		[]string{"t1", "t2", "t3"},
+	)
 
 	assert.True(t, strings.HasPrefix(buffer.String(), "task: t1"))
 	assert.Contains(t, buffer.String(), "\n(task does not have description or summary)\n\n\ntask: t2")

internal/templater/funcs.go

@@ -1,11 +1,15 @@
 package templater
 
 import (
+	"maps"
+	"math/rand/v2"
 	"path/filepath"
 	"runtime"
 	"strings"
 
 	"github.com/davecgh/go-spew/spew"
+	"github.com/google/uuid"
+	"gopkg.in/yaml.v3"
 	"mvdan.cc/sh/v3/shell"
 	"mvdan.cc/sh/v3/syntax"
 
@@ -17,62 +21,27 @@ var templateFuncs template.FuncMap
 
 func init() {
 	taskFuncs := template.FuncMap{
-		"OS":     func() string { return runtime.GOOS },
+		"OS":           os,
-		"ARCH":   func() string { return runtime.GOARCH },
+		"ARCH":         arch,
-		"numCPU": func() int { return runtime.NumCPU() },
+		"numCPU":       runtime.NumCPU,
-		"catLines": func(s string) string {
+		"catLines":     catLines,
-			s = strings.ReplaceAll(s, "\r\n", " ")
+		"splitLines":   splitLines,
-			return strings.ReplaceAll(s, "\n", " ")
+		"fromSlash":    filepath.FromSlash,
-		},
+		"toSlash":      filepath.ToSlash,
-		"splitLines": func(s string) []string {
+		"exeExt":       exeExt,
-			s = strings.ReplaceAll(s, "\r\n", "\n")
+		"shellQuote":   shellQuote,
-			return strings.Split(s, "\n")
+		"splitArgs":    splitArgs,
-		},
+		"IsSH":         IsSH, // Deprecated
-		"fromSlash": func(path string) string {
+		"joinPath":     filepath.Join,
-			return filepath.FromSlash(path)
+		"relPath":      filepath.Rel,
-		},
+		"merge":        merge,
-		"toSlash": func(path string) string {
+		"spew":         spew.Sdump,
-			return filepath.ToSlash(path)
+		"fromYaml":     fromYaml,
-		},
+		"mustFromYaml": mustFromYaml,
-		"exeExt": func() string {
+		"toYaml":       toYaml,
-			if runtime.GOOS == "windows" {
+		"mustToYaml":   mustToYaml,
-				return ".exe"
+		"uuid":         uuid.New,
-			}
+		"randIntN":     rand.IntN,
-			return ""
-		},
-		"shellQuote": func(str string) (string, error) {
-			return syntax.Quote(str, syntax.LangBash)
-		},
-		"splitArgs": func(s string) ([]string, error) {
-			return shell.Fields(s, nil)
-		},
-		// IsSH is deprecated.
-		"IsSH": func() bool { return true },
-		"joinPath": func(elem ...string) string {
-			return filepath.Join(elem...)
-		},
-		"relPath": func(basePath, targetPath string) (string, error) {
-			return filepath.Rel(basePath, targetPath)
-		},
-		"merge": func(base map[string]any, v ...map[string]any) map[string]any {
-			cap := len(v)
-			for _, m := range v {
-				cap += len(m)
-			}
-			result := make(map[string]any, cap)
-			for k, v := range base {
-				result[k] = v
-			}
-			for _, m := range v {
-				for k, v := range m {
-					result[k] = v
-				}
-			}
-			return result
-		},
-		"spew": func(v any) string {
-			return spew.Sdump(v)
-		},
 	}
 
 	// aliases
@@ -84,7 +53,80 @@ func init() {
 	taskFuncs["ExeExt"] = taskFuncs["exeExt"]
 
 	templateFuncs = template.FuncMap(sprig.TxtFuncMap())
-	for k, v := range taskFuncs {
+	maps.Copy(templateFuncs, taskFuncs)
-		templateFuncs[k] = v
+}
-	}
+
+func os() string {
+	return runtime.GOOS
+}
+
+func arch() string {
+	return runtime.GOARCH
+}
+
+func catLines(s string) string {
+	s = strings.ReplaceAll(s, "\r\n", " ")
+	return strings.ReplaceAll(s, "\n", " ")
+}
+
+func splitLines(s string) []string {
+	s = strings.ReplaceAll(s, "\r\n", "\n")
+	return strings.Split(s, "\n")
+}
+
+func exeExt() string {
+	if runtime.GOOS == "windows" {
+		return ".exe"
+	}
+	return ""
+}
+
+func shellQuote(str string) (string, error) {
+	return syntax.Quote(str, syntax.LangBash)
+}
+
+func splitArgs(s string) ([]string, error) {
+	return shell.Fields(s, nil)
+}
+
+// Deprecated: now always returns true
+func IsSH() bool {
+	return true
+}
+
+func merge(base map[string]any, v ...map[string]any) map[string]any {
+	cap := len(v)
+	for _, m := range v {
+		cap += len(m)
+	}
+	result := make(map[string]any, cap)
+	maps.Copy(result, base)
+	for _, m := range v {
+		maps.Copy(result, m)
+	}
+	return result
+}
+
+func fromYaml(v string) any {
+	output, _ := mustFromYaml(v)
+	return output
+}
+
+func mustFromYaml(v string) (any, error) {
+	var output any
+	err := yaml.Unmarshal([]byte(v), &output)
+	return output, err
+}
+
+func toYaml(v any) string {
+	output, _ := yaml.Marshal(v)
+	return string(output)
+}
+
+func mustToYaml(v any) (string, error) {
+	output, err := yaml.Marshal(v)
+	if err != nil {
+		return "", err
+	}
+	return string(output), nil
 }

internal/templater/templater.go

@@ -6,9 +6,10 @@ import (
 	"maps"
 	"strings"
 
+	"github.com/go-task/template"
+
 	"github.com/go-task/task/v3/internal/deepcopy"
 	"github.com/go-task/task/v3/taskfile/ast"
-	"github.com/go-task/template"
 )
 
 // Cache is a help struct that allow us to call "replaceX" funcs multiple
@@ -141,10 +142,9 @@ func ReplaceVarsWithExtra(vars *ast.Vars, cache *Cache, extra map[string]any) *a
 	}
 
 	newVars := ast.NewVars()
-	_ = vars.Range(func(k string, v ast.Var) error {
+	for k, v := range vars.All() {
 		newVars.Set(k, ReplaceVarWithExtra(v, cache, extra))
-		return nil
+	}
-	})
 
 	return newVars
 }

internal/tui/list.go

@@ -0,0 +1,43 @@
+package tui
+
+import (
+	"fmt"
+
+	"github.com/charmbracelet/bubbles/v2/list"
+	"github.com/charmbracelet/bubbles/v2/spinner"
+	tea "github.com/charmbracelet/bubbletea/v2"
+)
+
+type listModel struct {
+	spinner       spinner.Model
+	list          list.Model
+	selectedIndex int
+	isLoading     bool
+}
+
+func newListModel() listModel {
+	return listModel{
+		spinner:   newSpinner(),
+		list:      list.New([]list.Item{}, list.NewDefaultDelegate(), 0, 0),
+		isLoading: true,
+	}
+}
+
+func (m listModel) Init() tea.Cmd {
+	return m.spinner.Tick
+}
+
+func (m listModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	var cmd tea.Cmd
+	m.spinner, cmd = m.spinner.Update(msg)
+	return m, cmd
+}
+
+func (m listModel) View() string {
+	switch {
+	case m.isLoading:
+		return fmt.Sprintf("%s %s", m.spinner.View(), "Loading tasks...")
+	default:
+		return "todo!"
+	}
+}

internal/tui/main.go

@@ -0,0 +1,59 @@
+package tui
+
+import (
+	tea "github.com/charmbracelet/bubbletea/v2"
+)
+
+type page int
+
+const (
+	pageList = iota + 1
+)
+
+type mainModel struct {
+	page       page
+	listPage   listModel
+	isQuitting bool
+}
+
+func newMainModel() mainModel {
+	return mainModel{
+		page:     pageList,
+		listPage: newListModel(),
+	}
+}
+
+func (m mainModel) Init() tea.Cmd {
+	return m.listPage.Init()
+}
+
+func (m mainModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+	switch msg := msg.(type) {
+	case tea.KeyMsg:
+		switch msg.String() {
+		case "ctrl+c", "ctrl+q":
+			m.isQuitting = true
+			return m, tea.Quit
+		}
+	}
+
+	switch m.page {
+	case pageList:
+		model, cmd := m.listPage.Update(msg)
+		m.listPage = model.(listModel)
+		return m, cmd
+	}
+
+	return m, nil
+}
+
+func (m mainModel) View() string {
+	switch {
+	case m.isQuitting:
+		return "Quitting..."
+	case m.page == pageList:
+		return m.listPage.View()
+	default:
+		return "..."
+	}
+}

internal/tui/spinner.go

@@ -0,0 +1,16 @@
+package tui
+
+import (
+	"github.com/charmbracelet/bubbles/v2/spinner"
+	"github.com/charmbracelet/lipgloss/v2"
+	"github.com/charmbracelet/x/exp/charmtone"
+)
+
+var spinnerStyle = lipgloss.NewStyle().Foreground(lipgloss.Color(charmtone.Violet.Hex()))
+
+func newSpinner() spinner.Model {
+	return spinner.New(
+		spinner.WithSpinner(spinner.MiniDot),
+		spinner.WithStyle(spinnerStyle),
+	)
+}

internal/tui/tui.go

@@ -0,0 +1,13 @@
+package tui
+
+import (
+	tea "github.com/charmbracelet/bubbletea/v2"
+)
+
+func Run() error {
+	m := newMainModel()
+	p := tea.NewProgram(m)
+
+	_, err := p.Run()
+	return err
+}

internal/version/version.go

@@ -1,33 +1,67 @@
 package version
 
 import (
-	"fmt"
+	_ "embed"
 	"runtime/debug"
+	"strings"
 )
 
 var (
-	version = ""
+	//go:embed version.txt
-	sum     = ""
+	version string
+	commit  string
+	dirty   bool
 )
 
 func init() {
-	info, ok := debug.ReadBuildInfo()
+	version = strings.TrimSpace(version)
-	if !ok || info.Main.Version == "" {
+	// Attempt to get build info from the Go runtime. We only use this if not
-		version = "unknown"
+	// built from a tagged version.
-	} else {
+	if info, ok := debug.ReadBuildInfo(); ok && info.Main.Version == "(devel)" {
-		if version == "" {
+		commit = getCommit(info)
-			version = info.Main.Version
+		dirty = getDirty(info)
-		}
-		if sum == "" {
-			sum = info.Main.Sum
-		}
 	}
 }
 
+func getDirty(info *debug.BuildInfo) bool {
+	for _, setting := range info.Settings {
+		if setting.Key == "vcs.modified" {
+			return setting.Value == "true"
+		}
+	}
+	return false
+}
+
+func getCommit(info *debug.BuildInfo) string {
+	for _, setting := range info.Settings {
+		if setting.Key == "vcs.revision" {
+			return setting.Value[:7]
+		}
+	}
+	return ""
+}
+
+// GetVersion returns the version of Task. By default, this is retrieved from
+// the embedded version.txt file which is kept up-to-date by our release script.
+// However, it can also be overridden at build time using:
+// -ldflags="-X 'github.com/go-task/task/v3/internal/version.version=vX.X.X'".
 func GetVersion() string {
 	return version
 }
 
-func GetVersionWithSum() string {
+// GetVersionWithBuildInfo is the same as [GetVersion], but it also includes
-	return fmt.Sprintf("%s (%s)", version, sum)
+// the commit hash and dirty status if available. This will only work when built
+// within inside of a Git checkout.
+func GetVersionWithBuildInfo() string {
+	var buildMetadata []string
+	if commit != "" {
+		buildMetadata = append(buildMetadata, commit)
+	}
+	if dirty {
+		buildMetadata = append(buildMetadata, "dirty")
+	}
+	if len(buildMetadata) > 0 {
+		return version + "+" + strings.Join(buildMetadata, ".")
+	}
+	return version
 }

internal/version/version.txt

@@ -0,0 +1 @@
+3.45.4

package-lock.json

@@ -1,32 +0,0 @@
-{
-  "name": "@go-task/cli",
-  "version": "3.41.0",
-  "lockfileVersion": 2,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "@go-task/cli",
-      "version": "3.26.0",
-      "hasInstallScript": true,
-      "license": "MIT",
-      "dependencies": {
-        "@go-task/go-npm": "^0.2.0"
-      }
-    },
-    "node_modules/@go-task/go-npm": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/@go-task/go-npm/-/go-npm-0.2.0.tgz",
-      "integrity": "sha512-vQbdtBvesHm8EUFHX8QKg4rbBodmu9VsAXH1ozpbiN5jdTMOYHTCMM31EurAYmY+rNNtxJQ4JGy6t383RPlqbw==",
-      "bin": {
-        "go-npm": "bin/index.js"
-      }
-    }
-  },
-  "dependencies": {
-    "@go-task/go-npm": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/@go-task/go-npm/-/go-npm-0.2.0.tgz",
-      "integrity": "sha512-vQbdtBvesHm8EUFHX8QKg4rbBodmu9VsAXH1ozpbiN5jdTMOYHTCMM31EurAYmY+rNNtxJQ4JGy6t383RPlqbw=="
-    }
-  }
-}

package.json

@@ -1,34 +0,0 @@
-{
-  "name": "@go-task/cli",
-  "version": "3.41.0",
-  "description": "A task runner / simpler Make alternative written in Go",
-  "scripts": {
-    "postinstall": "go-npm install",
-    "preuninstall": "go-npm uninstall"
-  },
-  "goBinary": {
-    "name": "task",
-    "path": "./bin",
-    "url": "https://github.com/go-task/task/releases/download/v{{version}}/task_{{platform}}_{{arch}}{{archive_ext}}"
-  },
-  "files": [],
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/go-task/task.git"
-  },
-  "keywords": [
-    "task",
-    "taskfile",
-    "build-tool",
-    "task-runner"
-  ],
-  "author": "The Task authors",
-  "license": "MIT",
-  "bugs": {
-    "url": "https://github.com/go-task/task/issues"
-  },
-  "homepage": "https://taskfile.dev",
-  "dependencies": {
-    "@go-task/go-npm": "^0.2.0"
-  }
-}

requires.go

@@ -12,33 +12,49 @@ func (e *Executor) areTaskRequiredVarsSet(t *ast.Task) error {
 		return nil
 	}
 
-	var missingVars []string
+	var missingVars []errors.MissingVar
-	var notAllowedValuesVars []errors.NotAllowedVar
 	for _, requiredVar := range t.Requires.Vars {
-		value, ok := t.Vars.Get(requiredVar.Name)
+		_, ok := t.Vars.Get(requiredVar.Name)
 		if !ok {
-			missingVars = append(missingVars, requiredVar.Name)
+			missingVars = append(missingVars, errors.MissingVar{
-		} else {
+				Name:          requiredVar.Name,
-			value, isString := value.Value.(string)
+				AllowedValues: requiredVar.Enum,
-			if isString && requiredVar.Enum != nil && !slices.Contains(requiredVar.Enum, value) {
+			})
-				notAllowedValuesVars = append(notAllowedValuesVars, errors.NotAllowedVar{
-					Value: value,
-					Enum:  requiredVar.Enum,
-					Name:  requiredVar.Name,
-				})
-			}
 		}
 	}
 
 	if len(missingVars) > 0 {
-		return &errors.TaskMissingRequiredVars{
+		return &errors.TaskMissingRequiredVarsError{
 			TaskName:    t.Name(),
 			MissingVars: missingVars,
 		}
 	}
 
+	return nil
+}
+
+func (e *Executor) areTaskRequiredVarsAllowedValuesSet(t *ast.Task) error {
+	if t.Requires == nil || len(t.Requires.Vars) == 0 {
+		return nil
+	}
+
+	var notAllowedValuesVars []errors.NotAllowedVar
+	for _, requiredVar := range t.Requires.Vars {
+		varValue, _ := t.Vars.Get(requiredVar.Name)
+
+		value, isString := varValue.Value.(string)
+		if isString && requiredVar.Enum != nil && !slices.Contains(requiredVar.Enum, value) {
+			notAllowedValuesVars = append(notAllowedValuesVars, errors.NotAllowedVar{
+				Value: value,
+				Enum:  requiredVar.Enum,
+				Name:  requiredVar.Name,
+			})
+		}
+
+	}
+
 	if len(notAllowedValuesVars) > 0 {
-		return &errors.TaskNotAllowedVars{
+		return &errors.TaskNotAllowedVarsError{
 			TaskName:       t.Name(),
 			NotAllowedVars: notAllowedValuesVars,
 		}

setup.go

@@ -13,9 +13,10 @@ import (
 	"github.com/sajari/fuzzy"
 
 	"github.com/go-task/task/v3/errors"
-	"github.com/go-task/task/v3/internal/compiler"
+	"github.com/go-task/task/v3/internal/env"
 	"github.com/go-task/task/v3/internal/execext"
 	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/internal/fsext"
 	"github.com/go-task/task/v3/internal/logger"
 	"github.com/go-task/task/v3/internal/output"
 	"github.com/go-task/task/v3/internal/version"
@@ -55,7 +56,14 @@ func (e *Executor) Setup() error {
 }
 
 func (e *Executor) getRootNode() (taskfile.Node, error) {
-	node, err := taskfile.NewRootNode(e.Logger, e.Entrypoint, e.Dir, e.Insecure, e.Timeout)
+	node, err := taskfile.NewRootNode(e.Entrypoint, e.Dir, e.Insecure, e.Timeout)
+	if os.IsNotExist(err) {
+		return nil, errors.TaskfileNotFoundError{
+			URI:     fsext.DefaultDir(e.Entrypoint, e.Dir),
+			Walk:    true,
+			AskInit: true,
+		}
+	}
 	if err != nil {
 		return nil, err
 	}
@@ -64,17 +72,28 @@ func (e *Executor) getRootNode() (taskfile.Node, error) {
 }
 
 func (e *Executor) readTaskfile(node taskfile.Node) error {
+	ctx, cf := context.WithTimeout(context.Background(), e.Timeout)
+	defer cf()
+	debugFunc := func(s string) {
+		e.Logger.VerboseOutf(logger.Magenta, s)
+	}
+	promptFunc := func(s string) error {
+		return e.Logger.Prompt(logger.Yellow, s, "n", "y", "yes")
+	}
 	reader := taskfile.NewReader(
-		node,
+		taskfile.WithInsecure(e.Insecure),
-		e.Insecure,
+		taskfile.WithDownload(e.Download),
-		e.Download,
+		taskfile.WithOffline(e.Offline),
-		e.Offline,
+		taskfile.WithTempDir(e.TempDir.Remote),
-		e.Timeout,
+		taskfile.WithCacheExpiryDuration(e.CacheExpiryDuration),
-		e.TempDir.Remote,
+		taskfile.WithDebugFunc(debugFunc),
-		e.Logger,
+		taskfile.WithPromptFunc(promptFunc),
 	)
-	graph, err := reader.Read()
+	graph, err := reader.Read(ctx, node)
 	if err != nil {
+		if errors.Is(err, context.DeadlineExceeded) {
+			return &errors.TaskfileNetworkTimeoutError{URI: node.Location(), Timeout: e.Timeout}
+		}
 		return err
 	}
 	if e.Taskfile, err = graph.Merge(); err != nil {
@@ -84,7 +103,7 @@ func (e *Executor) readTaskfile(node taskfile.Node) error {
 }
 
 func (e *Executor) setupFuzzyModel() {
-	if e.Taskfile != nil {
+	if e.Taskfile == nil {
 		return
 	}
 
@@ -92,12 +111,12 @@ func (e *Executor) setupFuzzyModel() {
 	model.SetThreshold(1) // because we want to build grammar based on every task name
 
 	var words []string
-	for _, taskName := range e.Taskfile.Tasks.Keys() {
+	for name, task := range e.Taskfile.Tasks.All(nil) {
-		words = append(words, taskName)
+		if task.Internal {
-
+			continue
-		for _, task := range e.Taskfile.Tasks.Values() {
-			words = slices.Concat(words, task.Aliases)
 		}
+		words = append(words, name)
+		words = slices.Concat(words, task.Aliases)
 	}
 
 	model.Train(words)
@@ -109,13 +128,14 @@ func (e *Executor) setupTempDir() error {
 		return nil
 	}
 
-	if os.Getenv("TASK_TEMP_DIR") == "" {
+	tempDir := env.GetTaskEnv("TEMP_DIR")
+	if tempDir == "" {
 		e.TempDir = TempDir{
 			Remote:      filepathext.SmartJoin(e.Dir, ".task"),
 			Fingerprint: filepathext.SmartJoin(e.Dir, ".task"),
 		}
-	} else if filepath.IsAbs(os.Getenv("TASK_TEMP_DIR")) || strings.HasPrefix(os.Getenv("TASK_TEMP_DIR"), "~") {
+	} else if filepath.IsAbs(tempDir) || strings.HasPrefix(tempDir, "~") {
-		tempDir, err := execext.Expand(os.Getenv("TASK_TEMP_DIR"))
+		tempDir, err := execext.ExpandLiteral(tempDir)
 		if err != nil {
 			return err
 		}
@@ -128,14 +148,15 @@ func (e *Executor) setupTempDir() error {
 
 	} else {
 		e.TempDir = TempDir{
-			Remote:      filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR")),
+			Remote:      filepathext.SmartJoin(e.Dir, tempDir),
-			Fingerprint: filepathext.SmartJoin(e.Dir, os.Getenv("TASK_TEMP_DIR")),
+			Fingerprint: filepathext.SmartJoin(e.Dir, tempDir),
 		}
 	}
 
-	if os.Getenv("TASK_REMOTE_DIR") != "" {
+	remoteDir := env.GetTaskEnv("REMOTE_DIR")
-		if filepath.IsAbs(os.Getenv("TASK_REMOTE_DIR")) || strings.HasPrefix(os.Getenv("TASK_REMOTE_DIR"), "~") {
+	if remoteDir != "" {
-			remoteTempDir, err := execext.Expand(os.Getenv("TASK_REMOTE_DIR"))
+		if filepath.IsAbs(remoteDir) || strings.HasPrefix(remoteDir, "~") {
+			remoteTempDir, err := execext.ExpandLiteral(remoteDir)
 			if err != nil {
 				return err
 			}
@@ -191,7 +212,7 @@ func (e *Executor) setupCompiler() error {
 		}
 	}
 
-	e.Compiler = &compiler.Compiler{
+	e.Compiler = &Compiler{
 		Dir:            e.Dir,
 		Entrypoint:     e.Entrypoint,
 		UserWorkingDir: e.UserWorkingDir,
@@ -203,21 +224,29 @@ func (e *Executor) setupCompiler() error {
 }
 
 func (e *Executor) readDotEnvFiles() error {
+	if e.Taskfile == nil || len(e.Taskfile.Dotenv) == 0 {
+		return nil
+	}
+
 	if e.Taskfile.Version.LessThan(ast.V3) {
 		return nil
 	}
 
-	env, err := taskfile.Dotenv(e.Compiler, e.Taskfile, e.Dir)
+	vars, err := e.Compiler.GetTaskfileVariables()
 	if err != nil {
 		return err
 	}
 
-	err = env.Range(func(key string, value ast.Var) error {
+	env, err := taskfile.Dotenv(vars, e.Taskfile, e.Dir)
-		if _, ok := e.Taskfile.Env.Get(key); !ok {
+	if err != nil {
-			e.Taskfile.Env.Set(key, value)
+		return err
+	}
+
+	for k, v := range env.All() {
+		if _, ok := e.Taskfile.Env.Get(k); !ok {
+			e.Taskfile.Env.Set(k, v)
 		}
-		return nil
+	}
-	})
 	return err
 }
 
@@ -235,7 +264,7 @@ func (e *Executor) setupConcurrencyState() {
 
 	e.taskCallCount = make(map[string]*int32, e.Taskfile.Tasks.Len())
 	e.mkdirMutexMap = make(map[string]*sync.Mutex, e.Taskfile.Tasks.Len())
-	for _, k := range e.Taskfile.Tasks.Keys() {
+	for k := range e.Taskfile.Tasks.Keys(nil) {
 		e.taskCallCount[k] = new(int32)
 		e.mkdirMutexMap[k] = &sync.Mutex{}
 	}

status.go

@@ -9,7 +9,7 @@ import (
 )
 
 // Status returns an error if any the of given tasks is not up-to-date
-func (e *Executor) Status(ctx context.Context, calls ...*ast.Call) error {
+func (e *Executor) Status(ctx context.Context, calls ...*Call) error {
 	for _, call := range calls {
 
 		// Compile the task

task.go

@@ -3,18 +3,15 @@ package task
 import (
 	"context"
 	"fmt"
-	"io"
 	"os"
 	"runtime"
 	"slices"
-	"sync"
 	"sync/atomic"
-	"time"
 
+	"golang.org/x/sync/errgroup"
 	"mvdan.cc/sh/v3/interp"
 
 	"github.com/go-task/task/v3/errors"
-	"github.com/go-task/task/v3/internal/compiler"
 	"github.com/go-task/task/v3/internal/env"
 	"github.com/go-task/task/v3/internal/execext"
 	"github.com/go-task/task/v3/internal/fingerprint"
@@ -25,9 +22,6 @@ import (
 	"github.com/go-task/task/v3/internal/summary"
 	"github.com/go-task/task/v3/internal/templater"
 	"github.com/go-task/task/v3/taskfile/ast"
-
-	"github.com/sajari/fuzzy"
-	"golang.org/x/sync/errgroup"
 )
 
 const (
@@ -36,59 +30,15 @@ const (
 	MaximumTaskCall = 1000
 )
 
-type TempDir struct {
+// MatchingTask represents a task that matches a given call. It includes the
-	Remote      string
+// task itself and a list of wildcards that were matched.
-	Fingerprint string
+type MatchingTask struct {
-}
+	Task      *ast.Task
-
+	Wildcards []string
-// Executor executes a Taskfile
-type Executor struct {
-	Taskfile *ast.Taskfile
-
-	Dir         string
-	Entrypoint  string
-	TempDir     TempDir
-	Force       bool
-	ForceAll    bool
-	Insecure    bool
-	Download    bool
-	Offline     bool
-	Timeout     time.Duration
-	Watch       bool
-	Verbose     bool
-	Silent      bool
-	AssumeYes   bool
-	AssumeTerm  bool // Used for testing
-	Dry         bool
-	Summary     bool
-	Parallel    bool
-	Color       bool
-	Concurrency int
-	Interval    time.Duration
-
-	Stdin  io.Reader
-	Stdout io.Writer
-	Stderr io.Writer
-
-	Logger             *logger.Logger
-	Compiler           *compiler.Compiler
-	Output             output.Output
-	OutputStyle        ast.Output
-	TaskSorter         sort.TaskSorter
-	UserWorkingDir     string
-	EnableVersionCheck bool
-
-	fuzzyModel *fuzzy.Model
-
-	concurrencySemaphore chan struct{}
-	taskCallCount        map[string]*int32
-	mkdirMutexMap        map[string]*sync.Mutex
-	executionHashes      map[string]context.Context
-	executionHashesMutex sync.Mutex
 }
 
 // Run runs Task
-func (e *Executor) Run(ctx context.Context, calls ...*ast.Call) error {
+func (e *Executor) Run(ctx context.Context, calls ...*Call) error {
 	// check if given tasks exist
 	for _, call := range calls {
 		task, err := e.GetTask(call)
@@ -150,7 +100,7 @@ func (e *Executor) Run(ctx context.Context, calls ...*ast.Call) error {
 	return nil
 }
 
-func (e *Executor) splitRegularAndWatchCalls(calls ...*ast.Call) (regularCalls []*ast.Call, watchCalls []*ast.Call, err error) {
+func (e *Executor) splitRegularAndWatchCalls(calls ...*Call) (regularCalls []*Call, watchCalls []*Call, err error) {
 	for _, c := range calls {
 		t, err := e.GetTask(c)
 		if err != nil {
@@ -167,7 +117,7 @@ func (e *Executor) splitRegularAndWatchCalls(calls ...*ast.Call) (regularCalls [
 }
 
 // RunTask runs a task by its name
-func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
+func (e *Executor) RunTask(ctx context.Context, call *Call) error {
 	t, err := e.FastCompiledTask(call)
 	if err != nil {
 		return err
@@ -185,6 +135,11 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 	if err != nil {
 		return err
 	}
+
+	if err := e.areTaskRequiredVarsAllowedValuesSet(t); err != nil {
+		return err
+	}
+
 	if !e.Watch && atomic.AddInt32(e.taskCallCount[t.Task], 1) >= MaximumTaskCall {
 		return &errors.TaskCalledTooManyTimesError{
 			TaskName:        t.Task,
@@ -217,7 +172,6 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 			if t.Method != "" {
 				method = t.Method
 			}
-
 			upToDate, err := fingerprint.IsTaskUpToDate(ctx, t,
 				fingerprint.WithMethod(method),
 				fingerprint.WithTempDir(e.TempDir.Fingerprint),
@@ -265,13 +219,13 @@ func (e *Executor) RunTask(ctx context.Context, call *ast.Call) error {
 					e.Logger.VerboseErrf(logger.Yellow, "task: error cleaning status on error: %v\n", err2)
 				}
 
-				exitCode, isExitError := interp.IsExitStatus(err)
+				var exitCode interp.ExitStatus
-				if isExitError {
+				if errors.As(err, &exitCode) {
 					if t.IgnoreError {
 						e.Logger.VerboseErrf(logger.Yellow, "task: task error ignored: %v\n", err)
 						continue
 					}
-					deferredExitCode = exitCode
+					deferredExitCode = uint8(exitCode)
 				}
 
 				if call.Indirect {
@@ -312,7 +266,7 @@ func (e *Executor) runDeps(ctx context.Context, t *ast.Task) error {
 	for _, d := range t.Deps {
 		d := d
 		g.Go(func() error {
-			err := e.RunTask(ctx, &ast.Call{Task: d.Task, Vars: d.Vars, Silent: d.Silent, Indirect: true})
+			err := e.RunTask(ctx, &Call{Task: d.Task, Vars: d.Vars, Silent: d.Silent, Indirect: true})
 			if err != nil {
 				return err
 			}
@@ -323,7 +277,7 @@ func (e *Executor) runDeps(ctx context.Context, t *ast.Task) error {
 	return g.Wait()
 }
 
-func (e *Executor) runDeferred(t *ast.Task, call *ast.Call, i int, deferredExitCode *uint8) {
+func (e *Executor) runDeferred(t *ast.Task, call *Call, i int, deferredExitCode *uint8) {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
@@ -342,13 +296,15 @@ func (e *Executor) runDeferred(t *ast.Task, call *ast.Call, i int, deferredExitC
 	}
 
 	cmd.Cmd = templater.ReplaceWithExtra(cmd.Cmd, cache, extra)
+	cmd.Task = templater.ReplaceWithExtra(cmd.Task, cache, extra)
+	cmd.Vars = templater.ReplaceVarsWithExtra(cmd.Vars, cache, extra)
 
 	if err := e.runCommand(ctx, t, call, i); err != nil {
 		e.Logger.VerboseErrf(logger.Yellow, "task: ignored error in deferred cmd: %s\n", err.Error())
 	}
 }
 
-func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *ast.Call, i int) error {
+func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *Call, i int) error {
 	cmd := t.Cmds[i]
 
 	switch {
@@ -356,7 +312,7 @@ func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *ast.Call,
 		reacquire := e.releaseConcurrencyLimit()
 		defer reacquire()
 
-		err := e.RunTask(ctx, &ast.Call{Task: cmd.Task, Vars: cmd.Vars, Silent: cmd.Silent, Indirect: true})
+		err := e.RunTask(ctx, &Call{Task: cmd.Task, Vars: cmd.Vars, Silent: cmd.Silent, Indirect: true})
 		if err != nil {
 			return err
 		}
@@ -399,7 +355,8 @@ func (e *Executor) runCommand(ctx context.Context, t *ast.Task, call *ast.Call,
 		if closeErr := closer(err); closeErr != nil {
 			e.Logger.Errf(logger.Red, "task: unable to close writer: %v\n", closeErr)
 		}
-		if _, isExitError := interp.IsExitStatus(err); isExitError && cmd.IgnoreError {
+		var exitCode interp.ExitStatus
+		if errors.As(err, &exitCode) && cmd.IgnoreError {
 			e.Logger.VerboseErrf(logger.Yellow, "task: [%s] command error ignored: %v\n", t.Name(), err)
 			return nil
 		}
@@ -442,35 +399,50 @@ func (e *Executor) startExecution(ctx context.Context, t *ast.Task, execute func
 	return execute(ctx)
 }
 
+// FindMatchingTasks returns a list of tasks that match the given call. A task
+// matches a call if its name is equal to the call's task name or if it matches
+// a wildcard pattern. The function returns a list of MatchingTask structs, each
+// containing a task and a list of wildcards that were matched.
+func (e *Executor) FindMatchingTasks(call *Call) []*MatchingTask {
+	if call == nil {
+		return nil
+	}
+	var matchingTasks []*MatchingTask
+	// If there is a direct match, return it
+	if task, ok := e.Taskfile.Tasks.Get(call.Task); ok {
+		matchingTasks = append(matchingTasks, &MatchingTask{Task: task, Wildcards: nil})
+		return matchingTasks
+	}
+	// Attempt a wildcard match
+	for _, value := range e.Taskfile.Tasks.All(nil) {
+		if match, wildcards := value.WildcardMatch(call.Task); match {
+			matchingTasks = append(matchingTasks, &MatchingTask{
+				Task:      value,
+				Wildcards: wildcards,
+			})
+		}
+	}
+	return matchingTasks
+}
+
 // GetTask will return the task with the name matching the given call from the taskfile.
 // If no task is found, it will search for tasks with a matching alias.
 // If multiple tasks contain the same alias or no matches are found an error is returned.
-func (e *Executor) GetTask(call *ast.Call) (*ast.Task, error) {
+func (e *Executor) GetTask(call *Call) (*ast.Task, error) {
 	// Search for a matching task
-	matchingTasks := e.Taskfile.Tasks.FindMatchingTasks(call)
+	matchingTasks := e.FindMatchingTasks(call)
-	switch len(matchingTasks) {
+	if len(matchingTasks) > 0 {
-	case 0: // Carry on
-	case 1:
 		if call.Vars == nil {
 			call.Vars = ast.NewVars()
 		}
 		call.Vars.Set("MATCH", ast.Var{Value: matchingTasks[0].Wildcards})
 		return matchingTasks[0].Task, nil
-	default:
-		taskNames := make([]string, len(matchingTasks))
-		for i, matchingTask := range matchingTasks {
-			taskNames[i] = matchingTask.Task.Task
-		}
-		return nil, &errors.TaskNameConflictError{
-			Call:      call.Task,
-			TaskNames: taskNames,
-		}
 	}
 
 	// If didn't find one, search for a task with a matching alias
 	var matchingTask *ast.Task
 	var aliasedTasks []string
-	for _, task := range e.Taskfile.Tasks.Values() {
+	for task := range e.Taskfile.Tasks.Values(nil) {
 		if slices.Contains(task.Aliases, call.Task) {
 			aliasedTasks = append(aliasedTasks, task.Task)
 			matchingTask = task
@@ -494,7 +466,6 @@ func (e *Executor) GetTask(call *ast.Call) (*ast.Task, error) {
 			DidYouMean: didYouMean,
 		}
 	}
-
 	return matchingTask, nil
 }
 
@@ -506,8 +477,13 @@ func (e *Executor) GetTaskList(filters ...FilterFunc) ([]*ast.Task, error) {
 	// Create an error group to wait for each task to be compiled
 	var g errgroup.Group
 
+	// Sort the tasks
+	if e.TaskSorter == nil {
+		e.TaskSorter = sort.AlphaNumericWithRootTasksFirst
+	}
+
 	// Filter tasks based on the given filter functions
-	for _, task := range e.Taskfile.Tasks.Values() {
+	for task := range e.Taskfile.Tasks.Values(e.TaskSorter) {
 		var shouldFilter bool
 		for _, filter := range filters {
 			if filter(task) {
@@ -522,7 +498,7 @@ func (e *Executor) GetTaskList(filters ...FilterFunc) ([]*ast.Task, error) {
 	// Compile the list of tasks
 	for i := range tasks {
 		g.Go(func() error {
-			compiledTask, err := e.FastCompiledTask(&ast.Call{Task: tasks[i].Task})
+			compiledTask, err := e.FastCompiledTask(&Call{Task: tasks[i].Task})
 			if err != nil {
 				return err
 			}
@@ -536,12 +512,6 @@ func (e *Executor) GetTaskList(filters ...FilterFunc) ([]*ast.Task, error) {
 		return nil, err
 	}
 
-	// Sort the tasks
-	if e.TaskSorter == nil {
-		e.TaskSorter = &sort.AlphaNumericWithRootTasksFirst{}
-	}
-	e.TaskSorter.Sort(tasks)
-
 	return tasks, nil
 }
 

taskfile/ast/cmd.go

@@ -51,18 +51,53 @@ func (c *Cmd) UnmarshalYAML(node *yaml.Node) error {
 		return nil
 
 	case yaml.MappingNode:
-
-		// A command with additional options
 		var cmdStruct struct {
 			Cmd         string
+			Task        string
 			For         *For
 			Silent      bool
 			Set         []string
 			Shopt       []string
+			Vars        *Vars
 			IgnoreError bool `yaml:"ignore_error"`
+			Defer       *Defer
 			Platforms   []*Platform
 		}
-		if err := node.Decode(&cmdStruct); err == nil && cmdStruct.Cmd != "" {
+		if err := node.Decode(&cmdStruct); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		if cmdStruct.Defer != nil {
+
+			// A deferred command
+			if cmdStruct.Defer.Cmd != "" {
+				c.Defer = true
+				c.Cmd = cmdStruct.Defer.Cmd
+				c.Silent = cmdStruct.Silent
+				return nil
+			}
+
+			// A deferred task call
+			if cmdStruct.Defer.Task != "" {
+				c.Defer = true
+				c.Task = cmdStruct.Defer.Task
+				c.Vars = cmdStruct.Defer.Vars
+				c.Silent = cmdStruct.Defer.Silent
+				return nil
+			}
+			return nil
+		}
+
+		// A task call
+		if cmdStruct.Task != "" {
+			c.Task = cmdStruct.Task
+			c.Vars = cmdStruct.Vars
+			c.For = cmdStruct.For
+			c.Silent = cmdStruct.Silent
+			return nil
+		}
+
+		// A command with additional options
+		if cmdStruct.Cmd != "" {
 			c.Cmd = cmdStruct.Cmd
 			c.For = cmdStruct.For
 			c.Silent = cmdStruct.Silent
@@ -73,45 +108,6 @@ func (c *Cmd) UnmarshalYAML(node *yaml.Node) error {
 			return nil
 		}
 
-		// A deferred command
-		var deferredCmd struct {
-			Defer  string
-			Silent bool
-		}
-		if err := node.Decode(&deferredCmd); err == nil && deferredCmd.Defer != "" {
-			c.Defer = true
-			c.Cmd = deferredCmd.Defer
-			c.Silent = deferredCmd.Silent
-			return nil
-		}
-
-		// A deferred task call
-		var deferredCall struct {
-			Defer Call
-		}
-		if err := node.Decode(&deferredCall); err == nil && deferredCall.Defer.Task != "" {
-			c.Defer = true
-			c.Task = deferredCall.Defer.Task
-			c.Vars = deferredCall.Defer.Vars
-			c.Silent = deferredCall.Defer.Silent
-			return nil
-		}
-
-		// A task call
-		var taskCall struct {
-			Task   string
-			Vars   *Vars
-			For    *For
-			Silent bool
-		}
-		if err := node.Decode(&taskCall); err == nil && taskCall.Task != "" {
-			c.Task = taskCall.Task
-			c.Vars = taskCall.Vars
-			c.For = taskCall.For
-			c.Silent = taskCall.Silent
-			return nil
-		}
-
 		return errors.NewTaskfileDecodeError(nil, node).WithMessage("invalid keys in command")
 	}
 

taskfile/ast/defer.go

@@ -0,0 +1,45 @@
+package ast
+
+import (
+	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
+)
+
+type Defer struct {
+	Cmd    string
+	Task   string
+	Vars   *Vars
+	Silent bool
+}
+
+func (d *Defer) UnmarshalYAML(node *yaml.Node) error {
+	switch node.Kind {
+
+	case yaml.ScalarNode:
+		var cmd string
+		if err := node.Decode(&cmd); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		d.Cmd = cmd
+		return nil
+
+	case yaml.MappingNode:
+		var deferStruct struct {
+			Defer  string
+			Task   string
+			Vars   *Vars
+			Silent bool
+		}
+		if err := node.Decode(&deferStruct); err != nil {
+			return errors.NewTaskfileDecodeError(err, node)
+		}
+		d.Cmd = deferStruct.Defer
+		d.Task = deferStruct.Task
+		d.Vars = deferStruct.Vars
+		d.Silent = deferStruct.Silent
+		return nil
+	}
+
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("defer")
+}

taskfile/ast/graph.go

@@ -116,14 +116,5 @@ func (tfg *TaskfileGraph) Merge() (*Taskfile, error) {
 		return nil, err
 	}
 
-	_ = rootVertex.Taskfile.Tasks.Range(func(name string, task *Task) error {
-		if task == nil {
-			task = &Task{}
-			rootVertex.Taskfile.Tasks.Set(name, task)
-		}
-		task.Task = name
-		return nil
-	})
-
 	return rootVertex.Taskfile, nil
 }

taskfile/ast/include.go

@@ -1,9 +1,10 @@
 package ast
 
 import (
+	"iter"
 	"sync"
 
-	"github.com/elliotchance/orderedmap/v2"
+	"github.com/elliotchance/orderedmap/v3"
 	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
@@ -23,6 +24,7 @@ type (
 		AdvancedImport bool
 		Vars           *Vars
 		Flatten        bool
+		Checksum       string
 	}
 	// Includes is an ordered map of namespaces to includes.
 	Includes struct {
@@ -84,19 +86,31 @@ func (includes *Includes) Set(key string, value *Include) bool {
 	return includes.om.Set(key, value)
 }
 
+// All returns an iterator that loops over all task key-value pairs.
 // Range calls the provided function for each include in the map. The function
 // receives the include's key and value as arguments. If the function returns
 // an error, the iteration stops and the error is returned.
-func (includes *Includes) Range(f func(k string, v *Include) error) error {
+func (includes *Includes) All() iter.Seq2[string, *Include] {
 	if includes == nil || includes.om == nil {
-		return nil
+		return func(yield func(string, *Include) bool) {}
 	}
-	for pair := includes.om.Front(); pair != nil; pair = pair.Next() {
+	return includes.om.AllFromFront()
-		if err := f(pair.Key, pair.Value); err != nil {
+}
-			return err
+
-		}
+// Keys returns an iterator that loops over all task keys.
+func (includes *Includes) Keys() iter.Seq[string] {
+	if includes == nil || includes.om == nil {
+		return func(yield func(string) bool) {}
 	}
-	return nil
+	return includes.om.Keys()
+}
+
+// Values returns an iterator that loops over all task values.
+func (includes *Includes) Values() iter.Seq[*Include] {
+	if includes == nil || includes.om == nil {
+		return func(yield func(*Include) bool) {}
+	}
+	return includes.om.Values()
 }
 
 // UnmarshalYAML implements the yaml.Unmarshaler interface.
@@ -152,6 +166,7 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 			Aliases  []string
 			Excludes []string
 			Vars     *Vars
+			Checksum string
 		}
 		if err := node.Decode(&includedTaskfile); err != nil {
 			return errors.NewTaskfileDecodeError(err, node)
@@ -165,6 +180,7 @@ func (include *Include) UnmarshalYAML(node *yaml.Node) error {
 		include.AdvancedImport = true
 		include.Vars = includedTaskfile.Vars
 		include.Flatten = includedTaskfile.Flatten
+		include.Checksum = includedTaskfile.Checksum
 		return nil
 	}
 
@@ -187,5 +203,7 @@ func (include *Include) DeepCopy() *Include {
 		AdvancedImport: include.AdvancedImport,
 		Vars:           include.Vars.DeepCopy(),
 		Flatten:        include.Flatten,
+		Aliases:        deepcopy.Slice(include.Aliases),
+		Checksum:       include.Checksum,
 	}
 }

taskfile/ast/matrix.go

@@ -1,22 +1,34 @@
 package ast
 
 import (
-	"github.com/elliotchance/orderedmap/v2"
+	"iter"
+
+	"github.com/elliotchance/orderedmap/v3"
 	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/deepcopy"
 )
 
-type Matrix struct {
+type (
-	om *orderedmap.OrderedMap[string, []any]
+	// Matrix is an ordered map of variable names to arrays of values.
-}
+	Matrix struct {
-
+		om *orderedmap.OrderedMap[string, *MatrixRow]
-type MatrixElement orderedmap.Element[string, []any]
+	}
+	// A MatrixElement is a key-value pair that is used for initializing a
+	// Matrix structure.
+	MatrixElement orderedmap.Element[string, *MatrixRow]
+	// A MatrixRow list of values for a matrix key or a reference to another
+	// variable.
+	MatrixRow struct {
+		Ref   string
+		Value []any
+	}
+)
 
 func NewMatrix(els ...*MatrixElement) *Matrix {
 	matrix := &Matrix{
-		om: orderedmap.NewOrderedMap[string, []any](),
+		om: orderedmap.NewOrderedMap[string, *MatrixRow](),
 	}
 	for _, el := range els {
 		matrix.Set(el.Key, el.Value)
@@ -31,33 +43,45 @@ func (matrix *Matrix) Len() int {
 	return matrix.om.Len()
 }
 
-func (matrix *Matrix) Get(key string) ([]any, bool) {
+func (matrix *Matrix) Get(key string) (*MatrixRow, bool) {
 	if matrix == nil || matrix.om == nil {
 		return nil, false
 	}
 	return matrix.om.Get(key)
 }
 
-func (matrix *Matrix) Set(key string, value []any) bool {
+func (matrix *Matrix) Set(key string, value *MatrixRow) bool {
 	if matrix == nil {
 		matrix = NewMatrix()
 	}
 	if matrix.om == nil {
-		matrix.om = orderedmap.NewOrderedMap[string, []any]()
+		matrix.om = orderedmap.NewOrderedMap[string, *MatrixRow]()
 	}
 	return matrix.om.Set(key, value)
 }
 
-func (matrix *Matrix) Range(f func(k string, v []any) error) error {
+// All returns an iterator that loops over all task key-value pairs.
+func (matrix *Matrix) All() iter.Seq2[string, *MatrixRow] {
 	if matrix == nil || matrix.om == nil {
-		return nil
+		return func(yield func(string, *MatrixRow) bool) {}
 	}
-	for pair := matrix.om.Front(); pair != nil; pair = pair.Next() {
+	return matrix.om.AllFromFront()
-		if err := f(pair.Key, pair.Value); err != nil {
+}
-			return err
+
-		}
+// Keys returns an iterator that loops over all task keys.
+func (matrix *Matrix) Keys() iter.Seq[string] {
+	if matrix == nil || matrix.om == nil {
+		return func(yield func(string) bool) {}
 	}
-	return nil
+	return matrix.om.Keys()
+}
+
+// Values returns an iterator that loops over all task values.
+func (matrix *Matrix) Values() iter.Seq[*MatrixRow] {
+	if matrix == nil || matrix.om == nil {
+		return func(yield func(*MatrixRow) bool) {}
+	}
+	return matrix.om.Values()
 }
 
 func (matrix *Matrix) DeepCopy() *Matrix {
@@ -79,14 +103,36 @@ func (matrix *Matrix) UnmarshalYAML(node *yaml.Node) error {
 			keyNode := node.Content[i]
 			valueNode := node.Content[i+1]
 
-			// Decode the value node into a Matrix struct
+			switch valueNode.Kind {
-			var v []any
+			case yaml.SequenceNode:
-			if err := valueNode.Decode(&v); err != nil {
+				// Decode the value node into a Matrix struct
-				return errors.NewTaskfileDecodeError(err, node)
+				var v []any
-			}
+				if err := valueNode.Decode(&v); err != nil {
+					return errors.NewTaskfileDecodeError(err, node)
+				}
 
-			// Add the task to the ordered map
+				// Add the row to the ordered map
-			matrix.Set(keyNode.Value, v)
+				matrix.Set(keyNode.Value, &MatrixRow{
+					Value: v,
+				})
+
+			case yaml.MappingNode:
+				// Decode the value node into a Matrix struct
+				var refStruct struct {
+					Ref string
+				}
+				if err := valueNode.Decode(&refStruct); err != nil {
+					return errors.NewTaskfileDecodeError(err, node)
+				}
+
+				// Add the reference to the ordered map
+				matrix.Set(keyNode.Value, &MatrixRow{
+					Ref: refStruct.Ref,
+				})
+
+			default:
+				return errors.NewTaskfileDecodeError(nil, node).WithMessage("matrix values must be an array or a reference")
+			}
 		}
 		return nil
 	}

taskfile/ast/task.go

@@ -46,17 +46,22 @@ type Task struct {
 	Namespace            string
 	IncludeVars          *Vars
 	IncludedTaskfileVars *Vars
+
+	FullName string
 }
 
 func (t *Task) Name() string {
 	if t.Label != "" {
 		return t.Label
 	}
+	if t.FullName != "" {
+		return t.FullName
+	}
 	return t.Task
 }
 
 func (t *Task) LocalName() string {
-	name := t.Task
+	name := t.FullName
 	name = strings.TrimPrefix(name, t.Namespace)
 	name = strings.TrimPrefix(name, ":")
 	return name
@@ -220,6 +225,7 @@ func (t *Task) DeepCopy() *Task {
 		Location:             t.Location.DeepCopy(),
 		Requires:             t.Requires.DeepCopy(),
 		Namespace:            t.Namespace,
+		FullName:             t.FullName,
 	}
 	return c
 }

taskfile/ast/tasks.go

@@ -2,15 +2,17 @@ package ast
 
 import (
 	"fmt"
+	"iter"
 	"slices"
 	"strings"
 	"sync"
 
-	"github.com/elliotchance/orderedmap/v2"
+	"github.com/elliotchance/orderedmap/v3"
 	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
 	"github.com/go-task/task/v3/internal/filepathext"
+	"github.com/go-task/task/v3/internal/sort"
 )
 
 type (
@@ -22,12 +24,6 @@ type (
 	// A TaskElement is a key-value pair that is used for initializing a Tasks
 	// structure.
 	TaskElement orderedmap.Element[string, *Task]
-	// MatchingTask represents a task that matches a given call. It includes the
-	// task itself and a list of wildcards that were matched.
-	MatchingTask struct {
-		Task      *Task
-		Wildcards []string
-	}
 )
 
 // NewTasks creates a new instance of Tasks and initializes it with the provided
@@ -79,81 +75,53 @@ func (tasks *Tasks) Set(key string, value *Task) bool {
 	return tasks.om.Set(key, value)
 }
 
-// Range calls the provided function for each task in the map. The function
+// All returns an iterator that loops over all task key-value pairs in the order
-// receives the task's key and value as arguments. If the function returns an
+// specified by the sorter.
-// error, the iteration stops and the error is returned.
+func (t *Tasks) All(sorter sort.Sorter) iter.Seq2[string, *Task] {
-func (tasks *Tasks) Range(f func(k string, v *Task) error) error {
+	if t == nil || t.om == nil {
-	if tasks == nil || tasks.om == nil {
+		return func(yield func(string, *Task) bool) {}
-		return nil
 	}
-	for pair := tasks.om.Front(); pair != nil; pair = pair.Next() {
+	if sorter == nil {
-		if err := f(pair.Key, pair.Value); err != nil {
+		return t.om.AllFromFront()
-			return err
+	}
+	return func(yield func(string, *Task) bool) {
+		for _, key := range sorter(slices.Collect(t.om.Keys()), nil) {
+			el := t.om.GetElement(key)
+			if !yield(el.Key, el.Value) {
+				return
+			}
 		}
 	}
-	return nil
 }
 
-// Keys returns a slice of all the keys in the Tasks map.
+// Keys returns an iterator that loops over all task keys in the order specified
-func (tasks *Tasks) Keys() []string {
+// by the sorter.
-	if tasks == nil {
+func (t *Tasks) Keys(sorter sort.Sorter) iter.Seq[string] {
-		return nil
+	return func(yield func(string) bool) {
-	}
+		for k := range t.All(sorter) {
-	defer tasks.mutex.RUnlock()
+			if !yield(k) {
-	tasks.mutex.RLock()
+				return
-	var keys []string
+			}
-	for pair := tasks.om.Front(); pair != nil; pair = pair.Next() {
-		keys = append(keys, pair.Key)
-	}
-	return keys
-}
-
-// Values returns a slice of all the values in the Tasks map.
-func (tasks *Tasks) Values() []*Task {
-	if tasks == nil {
-		return nil
-	}
-	defer tasks.mutex.RUnlock()
-	tasks.mutex.RLock()
-	var values []*Task
-	for pair := tasks.om.Front(); pair != nil; pair = pair.Next() {
-		values = append(values, pair.Value)
-	}
-	return values
-}
-
-// FindMatchingTasks returns a list of tasks that match the given call. A task
-// matches a call if its name is equal to the call's task name or if it matches
-// a wildcard pattern. The function returns a list of MatchingTask structs, each
-// containing a task and a list of wildcards that were matched.
-func (t *Tasks) FindMatchingTasks(call *Call) []*MatchingTask {
-	if call == nil {
-		return nil
-	}
-	var matchingTasks []*MatchingTask
-	// If there is a direct match, return it
-	if task, ok := t.Get(call.Task); ok {
-		matchingTasks = append(matchingTasks, &MatchingTask{Task: task, Wildcards: nil})
-		return matchingTasks
-	}
-	// Attempt a wildcard match
-	// For now, we can just nil check the task before each loop
-	_ = t.Range(func(key string, value *Task) error {
-		if match, wildcards := value.WildcardMatch(call.Task); match {
-			matchingTasks = append(matchingTasks, &MatchingTask{
-				Task:      value,
-				Wildcards: wildcards,
-			})
 		}
-		return nil
+	}
-	})
+}
-	return matchingTasks
+
+// Values returns an iterator that loops over all task values in the order
+// specified by the sorter.
+func (t *Tasks) Values(sorter sort.Sorter) iter.Seq[*Task] {
+	return func(yield func(*Task) bool) {
+		for _, v := range t.All(sorter) {
+			if !yield(v) {
+				return
+			}
+		}
+	}
 }
 
 func (t1 *Tasks) Merge(t2 *Tasks, include *Include, includedTaskfileVars *Vars) error {
 	defer t2.mutex.RUnlock()
 	t2.mutex.RLock()
-	err := t2.Range(func(name string, v *Task) error {
+	for name, v := range t2.All(nil) {
 		// We do a deep copy of the task struct here to ensure that no data can
 		// be changed elsewhere once the taskfile is merged.
 		task := v.DeepCopy()
@@ -162,9 +130,9 @@ func (t1 *Tasks) Merge(t2 *Tasks, include *Include, includedTaskfileVars *Vars)
 		task.Internal = task.Internal || (include != nil && include.Internal)
 		taskName := name
 
-		// if the task is in the exclude list, don't add it to the merged taskfile and early return
+		// if the task is in the exclude list, don't add it to the merged taskfile
 		if slices.Contains(include.Excludes, name) {
-			return nil
+			continue
 		}
 
 		if !include.Flatten {
@@ -219,9 +187,7 @@ func (t1 *Tasks) Merge(t2 *Tasks, include *Include, includedTaskfileVars *Vars)
 		}
 		// Add the task to the merged taskfile
 		t1.Set(taskName, task)
-
+	}
-		return nil
-	})
 
 	// If the included Taskfile has a default task, is not flattened and the
 	// parent namespace has no task with a matching name, we can add an alias so
@@ -239,7 +205,7 @@ func (t1 *Tasks) Merge(t2 *Tasks, include *Include, includedTaskfileVars *Vars)
 		}
 	}
 
-	return err
+	return nil
 }
 
 func (t *Tasks) UnmarshalYAML(node *yaml.Node) error {

taskfile/ast/var.go

@@ -1,170 +1,11 @@
 package ast
 
 import (
-	"strings"
-	"sync"
-
-	"github.com/elliotchance/orderedmap/v2"
 	"gopkg.in/yaml.v3"
 
 	"github.com/go-task/task/v3/errors"
-	"github.com/go-task/task/v3/internal/deepcopy"
-	"github.com/go-task/task/v3/internal/experiments"
 )
 
-type (
-	// Vars is an ordered map of variable names to values.
-	Vars struct {
-		om    *orderedmap.OrderedMap[string, Var]
-		mutex sync.RWMutex
-	}
-	// A VarElement is a key-value pair that is used for initializing a Vars
-	// structure.
-	VarElement orderedmap.Element[string, Var]
-)
-
-// NewVars creates a new instance of Vars and initializes it with the provided
-// set of elements, if any. The elements are added in the order they are passed.
-func NewVars(els ...*VarElement) *Vars {
-	vars := &Vars{
-		om: orderedmap.NewOrderedMap[string, Var](),
-	}
-	for _, el := range els {
-		vars.Set(el.Key, el.Value)
-	}
-	return vars
-}
-
-// Len returns the number of variables in the Vars map.
-func (vars *Vars) Len() int {
-	if vars == nil || vars.om == nil {
-		return 0
-	}
-	defer vars.mutex.RUnlock()
-	vars.mutex.RLock()
-	return vars.om.Len()
-}
-
-// Get returns the value the the variable with the provided key and a boolean
-// that indicates if the value was found or not. If the value is not found, the
-// returned variable is a zero value and the bool is false.
-func (vars *Vars) Get(key string) (Var, bool) {
-	if vars == nil || vars.om == nil {
-		return Var{}, false
-	}
-	defer vars.mutex.RUnlock()
-	vars.mutex.RLock()
-	return vars.om.Get(key)
-}
-
-// Set sets the value of the variable with the provided key to the provided
-// value. If the variable already exists, its value is updated. If the variable
-// does not exist, it is created.
-func (vars *Vars) Set(key string, value Var) bool {
-	if vars == nil {
-		vars = NewVars()
-	}
-	if vars.om == nil {
-		vars.om = orderedmap.NewOrderedMap[string, Var]()
-	}
-	defer vars.mutex.Unlock()
-	vars.mutex.Lock()
-	return vars.om.Set(key, value)
-}
-
-// Range calls the provided function for each variable in the map. The function
-// receives the variable's key and value as arguments. If the function returns
-// an error, the iteration stops and the error is returned.
-func (vars *Vars) Range(f func(k string, v Var) error) error {
-	if vars == nil || vars.om == nil {
-		return nil
-	}
-	for pair := vars.om.Front(); pair != nil; pair = pair.Next() {
-		if err := f(pair.Key, pair.Value); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// ToCacheMap converts Vars to an unordered map containing only the static
-// variables
-func (vars *Vars) ToCacheMap() (m map[string]any) {
-	defer vars.mutex.RUnlock()
-	vars.mutex.RLock()
-	m = make(map[string]any, vars.Len())
-	for pair := vars.om.Front(); pair != nil; pair = pair.Next() {
-		if pair.Value.Sh != nil && *pair.Value.Sh != "" {
-			// Dynamic variable is not yet resolved; trigger
-			// <no value> to be used in templates.
-			return nil
-		}
-		if pair.Value.Live != nil {
-			m[pair.Key] = pair.Value.Live
-		} else {
-			m[pair.Key] = pair.Value.Value
-		}
-	}
-	return
-}
-
-// Merge loops over other and merges it values with the variables in vars. If
-// the include parameter is not nil and its it is an advanced import, the
-// directory is set set to the value of the include parameter.
-func (vars *Vars) Merge(other *Vars, include *Include) {
-	if vars == nil || vars.om == nil || other == nil {
-		return
-	}
-	defer other.mutex.RUnlock()
-	other.mutex.RLock()
-	for pair := other.om.Front(); pair != nil; pair = pair.Next() {
-		if include != nil && include.AdvancedImport {
-			pair.Value.Dir = include.Dir
-		}
-		vars.om.Set(pair.Key, pair.Value)
-	}
-}
-
-func (vs *Vars) DeepCopy() *Vars {
-	if vs == nil {
-		return nil
-	}
-	defer vs.mutex.RUnlock()
-	vs.mutex.RLock()
-	return &Vars{
-		om: deepcopy.OrderedMap(vs.om),
-	}
-}
-
-func (vs *Vars) UnmarshalYAML(node *yaml.Node) error {
-	if vs == nil || vs.om == nil {
-		*vs = *NewVars()
-	}
-	vs.om = orderedmap.NewOrderedMap[string, Var]()
-	switch node.Kind {
-	case yaml.MappingNode:
-		// NOTE: orderedmap does not have an unmarshaler, so we have to decode
-		// the map manually. We increment over 2 values at a time and assign
-		// them as a key-value pair.
-		for i := 0; i < len(node.Content); i += 2 {
-			keyNode := node.Content[i]
-			valueNode := node.Content[i+1]
-
-			// Decode the value node into a Task struct
-			var v Var
-			if err := valueNode.Decode(&v); err != nil {
-				return errors.NewTaskfileDecodeError(err, node)
-			}
-
-			// Add the task to the ordered map
-			vs.Set(keyNode.Value, v)
-		}
-		return nil
-	}
-
-	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("vars")
-}
-
 // Var represents either a static or dynamic variable.
 type Var struct {
 	Value any
@@ -175,82 +16,29 @@ type Var struct {
 }
 
 func (v *Var) UnmarshalYAML(node *yaml.Node) error {
-	if experiments.MapVariables.Enabled {
-
-		// This implementation is not backwards-compatible and replaces the 'sh' key with map variables
-		if experiments.MapVariables.Value == "1" {
-			var value any
-			if err := node.Decode(&value); err != nil {
-				return errors.NewTaskfileDecodeError(err, node)
-			}
-			// If the value is a string and it starts with $, then it's a shell command
-			if str, ok := value.(string); ok {
-				if str, ok = strings.CutPrefix(str, "$"); ok {
-					v.Sh = &str
-					return nil
-				}
-				if str, ok = strings.CutPrefix(str, "#"); ok {
-					v.Ref = str
-					return nil
-				}
-			}
-			v.Value = value
-			return nil
-		}
-
-		// This implementation IS backwards-compatible and keeps the 'sh' key and allows map variables to be added under the `map` key
-		if experiments.MapVariables.Value == "2" {
-			switch node.Kind {
-			case yaml.MappingNode:
-				key := node.Content[0].Value
-				switch key {
-				case "sh", "ref", "map":
-					var m struct {
-						Sh  *string
-						Ref string
-						Map any
-					}
-					if err := node.Decode(&m); err != nil {
-						return errors.NewTaskfileDecodeError(err, node)
-					}
-					v.Sh = m.Sh
-					v.Ref = m.Ref
-					v.Value = m.Map
-					return nil
-				default:
-					return errors.NewTaskfileDecodeError(nil, node).WithMessage(`%q is not a valid variable type. Try "sh", "ref", "map" or using a scalar value`, key)
-				}
-			default:
-				var value any
-				if err := node.Decode(&value); err != nil {
-					return errors.NewTaskfileDecodeError(err, node)
-				}
-				v.Value = value
-				return nil
-			}
-		}
-	}
-
 	switch node.Kind {
-
 	case yaml.MappingNode:
-		key := node.Content[0].Value
+		key := "<none>"
+		if len(node.Content) > 0 {
+			key = node.Content[0].Value
+		}
 		switch key {
-		case "sh", "ref":
+		case "sh", "ref", "map":
 			var m struct {
 				Sh  *string
 				Ref string
+				Map any
 			}
 			if err := node.Decode(&m); err != nil {
 				return errors.NewTaskfileDecodeError(err, node)
 			}
 			v.Sh = m.Sh
 			v.Ref = m.Ref
+			v.Value = m.Map
 			return nil
 		default:
-			return errors.NewTaskfileDecodeError(nil, node).WithMessage("maps cannot be assigned to variables")
+			return errors.NewTaskfileDecodeError(nil, node).WithMessage(`%q is not a valid variable type. Try "sh", "ref", "map" or using a scalar value`, key)
 		}
-
 	default:
 		var value any
 		if err := node.Decode(&value); err != nil {

taskfile/ast/vars.go

@@ -0,0 +1,174 @@
+package ast
+
+import (
+	"iter"
+	"sync"
+
+	"github.com/elliotchance/orderedmap/v3"
+	"gopkg.in/yaml.v3"
+
+	"github.com/go-task/task/v3/errors"
+	"github.com/go-task/task/v3/internal/deepcopy"
+)
+
+type (
+	// Vars is an ordered map of variable names to values.
+	Vars struct {
+		om    *orderedmap.OrderedMap[string, Var]
+		mutex sync.RWMutex
+	}
+	// A VarElement is a key-value pair that is used for initializing a Vars
+	// structure.
+	VarElement orderedmap.Element[string, Var]
+)
+
+// NewVars creates a new instance of Vars and initializes it with the provided
+// set of elements, if any. The elements are added in the order they are passed.
+func NewVars(els ...*VarElement) *Vars {
+	vars := &Vars{
+		om: orderedmap.NewOrderedMap[string, Var](),
+	}
+	for _, el := range els {
+		vars.Set(el.Key, el.Value)
+	}
+	return vars
+}
+
+// Len returns the number of variables in the Vars map.
+func (vars *Vars) Len() int {
+	if vars == nil || vars.om == nil {
+		return 0
+	}
+	defer vars.mutex.RUnlock()
+	vars.mutex.RLock()
+	return vars.om.Len()
+}
+
+// Get returns the value the the variable with the provided key and a boolean
+// that indicates if the value was found or not. If the value is not found, the
+// returned variable is a zero value and the bool is false.
+func (vars *Vars) Get(key string) (Var, bool) {
+	if vars == nil || vars.om == nil {
+		return Var{}, false
+	}
+	defer vars.mutex.RUnlock()
+	vars.mutex.RLock()
+	return vars.om.Get(key)
+}
+
+// Set sets the value of the variable with the provided key to the provided
+// value. If the variable already exists, its value is updated. If the variable
+// does not exist, it is created.
+func (vars *Vars) Set(key string, value Var) bool {
+	if vars == nil {
+		vars = NewVars()
+	}
+	if vars.om == nil {
+		vars.om = orderedmap.NewOrderedMap[string, Var]()
+	}
+	defer vars.mutex.Unlock()
+	vars.mutex.Lock()
+	return vars.om.Set(key, value)
+}
+
+// All returns an iterator that loops over all task key-value pairs.
+func (vars *Vars) All() iter.Seq2[string, Var] {
+	if vars == nil || vars.om == nil {
+		return func(yield func(string, Var) bool) {}
+	}
+	return vars.om.AllFromFront()
+}
+
+// Keys returns an iterator that loops over all task keys.
+func (vars *Vars) Keys() iter.Seq[string] {
+	if vars == nil || vars.om == nil {
+		return func(yield func(string) bool) {}
+	}
+	return vars.om.Keys()
+}
+
+// Values returns an iterator that loops over all task values.
+func (vars *Vars) Values() iter.Seq[Var] {
+	if vars == nil || vars.om == nil {
+		return func(yield func(Var) bool) {}
+	}
+	return vars.om.Values()
+}
+
+// ToCacheMap converts Vars to an unordered map containing only the static
+// variables
+func (vars *Vars) ToCacheMap() (m map[string]any) {
+	defer vars.mutex.RUnlock()
+	vars.mutex.RLock()
+	m = make(map[string]any, vars.Len())
+	for k, v := range vars.All() {
+		if v.Sh != nil && *v.Sh != "" {
+			// Dynamic variable is not yet resolved; trigger
+			// <no value> to be used in templates.
+			continue
+		}
+		if v.Live != nil {
+			m[k] = v.Live
+		} else {
+			m[k] = v.Value
+		}
+	}
+	return
+}
+
+// Merge loops over other and merges it values with the variables in vars. If
+// the include parameter is not nil and its it is an advanced import, the
+// directory is set set to the value of the include parameter.
+func (vars *Vars) Merge(other *Vars, include *Include) {
+	if vars == nil || vars.om == nil || other == nil {
+		return
+	}
+	defer other.mutex.RUnlock()
+	other.mutex.RLock()
+	for pair := other.om.Front(); pair != nil; pair = pair.Next() {
+		if include != nil && include.AdvancedImport {
+			pair.Value.Dir = include.Dir
+		}
+		vars.om.Set(pair.Key, pair.Value)
+	}
+}
+
+func (vs *Vars) DeepCopy() *Vars {
+	if vs == nil {
+		return nil
+	}
+	defer vs.mutex.RUnlock()
+	vs.mutex.RLock()
+	return &Vars{
+		om: deepcopy.OrderedMap(vs.om),
+	}
+}
+
+func (vs *Vars) UnmarshalYAML(node *yaml.Node) error {
+	if vs == nil || vs.om == nil {
+		*vs = *NewVars()
+	}
+	vs.om = orderedmap.NewOrderedMap[string, Var]()
+	switch node.Kind {
+	case yaml.MappingNode:
+		// NOTE: orderedmap does not have an unmarshaler, so we have to decode
+		// the map manually. We increment over 2 values at a time and assign
+		// them as a key-value pair.
+		for i := 0; i < len(node.Content); i += 2 {
+			keyNode := node.Content[i]
+			valueNode := node.Content[i+1]
+
+			// Decode the value node into a Task struct
+			var v Var
+			if err := valueNode.Decode(&v); err != nil {
+				return errors.NewTaskfileDecodeError(err, node)
+			}
+
+			// Add the task to the ordered map
+			vs.Set(keyNode.Value, v)
+		}
+		return nil
+	}
+
+	return errors.NewTaskfileDecodeError(nil, node).WithTypeMessage("vars")
+}

taskfile/cache.go

@@ -1,72 +0,0 @@
-package taskfile
-
-import (
-	"crypto/sha256"
-	"fmt"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-type Cache struct {
-	dir string
-}
-
-func NewCache(dir string) (*Cache, error) {
-	dir = filepath.Join(dir, "remote")
-	if err := os.MkdirAll(dir, 0o755); err != nil {
-		return nil, err
-	}
-	return &Cache{
-		dir: dir,
-	}, nil
-}
-
-func checksum(b []byte) string {
-	h := sha256.New()
-	h.Write(b)
-	return fmt.Sprintf("%x", h.Sum(nil))
-}
-
-func (c *Cache) write(node Node, b []byte) error {
-	return os.WriteFile(c.cacheFilePath(node), b, 0o644)
-}
-
-func (c *Cache) read(node Node) ([]byte, error) {
-	return os.ReadFile(c.cacheFilePath(node))
-}
-
-func (c *Cache) writeChecksum(node Node, checksum string) error {
-	return os.WriteFile(c.checksumFilePath(node), []byte(checksum), 0o644)
-}
-
-func (c *Cache) readChecksum(node Node) string {
-	b, _ := os.ReadFile(c.checksumFilePath(node))
-	return string(b)
-}
-
-func (c *Cache) key(node Node) string {
-	return strings.TrimRight(checksum([]byte(node.Location())), "=")
-}
-
-func (c *Cache) cacheFilePath(node Node) string {
-	return c.filePath(node, "yaml")
-}
-
-func (c *Cache) checksumFilePath(node Node) string {
-	return c.filePath(node, "checksum")
-}
-
-func (c *Cache) filePath(node Node, suffix string) string {
-	lastDir, filename := node.FilenameAndLastDir()
-	prefix := filename
-	// Means it's not "", nor "." nor "/", so it's a valid directory
-	if len(lastDir) > 1 {
-		prefix = fmt.Sprintf("%s-%s", lastDir, filename)
-	}
-	return filepath.Join(c.dir, fmt.Sprintf("%s.%s.%s", prefix, c.key(node), suffix))
-}
-
-func (c *Cache) Clear() error {
-	return os.RemoveAll(c.dir)
-}