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Add pre-defined variables reference to Actions docs (#369)

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Add comprehensive reference tables for pre-defined variables available in Gitea Actions workflows, derived from the Gitea and act_runner source code.

## Context variables (`${{ gitea.<name> }}`)

All context variables with their `github.*` aliases and descriptions, sourced from `services/actions/context.go`.

## Environment variables

- **Standard**: `CI`, `GITEA_ACTIONS`, `GITEA_ACTIONS_RUNNER_VERSION`, `GITHUB_*`, and the 5 `GITEA_*` aliases for workflow file commands (`GITEA_ENV`, `GITEA_OUTPUT`, `GITEA_PATH`, `GITEA_STATE`, `GITEA_STEP_SUMMARY`)
- **Runner**: `RUNNER_OS`, `RUNNER_ARCH`, `RUNNER_TEMP`, `RUNNER_TOOL_CACHE`
- **Internal**: `ACTIONS_CACHE_URL`, `ACTIONS_RUNTIME_*`, etc.

Closes https://gitea.com/gitea/docs/issues/350

Reviewed-on: https://gitea.com/gitea/docs/pulls/369
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-committed-by: silverwind <me@silverwind.io>
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silverwind
2026-03-28 09:27:06 +00:00
committed by silverwind
parent 8660c68d8c
commit 25dce1df62
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docs/usage/actions/variables.md
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@@ -6,11 +6,13 @@ sidebar_position: 25
# Variables # Variables
## User-defined variables
You can create configuration variables on the user, organization and repository level. You can create configuration variables on the user, organization and repository level.
The level of the variable depends on where you created it. When creating a variable, the The level of the variable depends on where you created it. When creating a variable, the
key will be converted to uppercase. You need use uppercase on the yaml file. key will be converted to uppercase. You need use uppercase on the yaml file.
## Naming conventions ### Naming conventions
The following rules apply to variable names: The following rules apply to variable names:
@@ -21,12 +23,118 @@ The following rules apply to variable names:
- Variable names must be unique at the level they are created at. - Variable names must be unique at the level they are created at.
- Variable names must not start with `CI`. - Variable names must not start with `CI`.
## Using variable ### Using variables
After creating configuration variables, they will be automatically filled in the `vars` context. After creating configuration variables, they will be automatically filled in the `vars` context.
They can be accessed through expressions like `${{ vars.VARIABLE_NAME }}` in the workflow. They can be accessed through expressions like `${{ vars.VARIABLE_NAME }}` in the workflow.
## Precedence ### Precedence
If a variable with the same name exists at multiple levels, the variable at the lowest level takes precedence: If a variable with the same name exists at multiple levels, the variable at the lowest level takes precedence:
A repository variable will always be chosen over an organization/user variable. A repository variable will always be chosen over an organization/user variable.
## Pre-defined context variables
These variables are available in workflow expressions via `${{ gitea.<name> }}`. For compatibility, `${{ github.<name> }}` works as an alias.
| Name | Description | Example |
|---|---|---|
| `gitea.action`<br/>`github.action` | The name of the action currently running, or the `id` of a step. | `__run` |
| `gitea.action_path`<br/>`github.action_path` | The path where an action is located. Only supported in composite actions. | `/home/runner/work/_actions/actions/checkout/v4` |
| `gitea.action_ref`<br/>`github.action_ref` | The ref of the action being executed. | `v4` |
| `gitea.action_repository`<br/>`github.action_repository` | The owner and repository name of the action. | `actions/checkout` |
| `gitea.action_status`<br/>`github.action_status` | The current result of a composite action. | `success` |
| `gitea.actor`<br/>`github.actor` | The username of the user that triggered the initial workflow run. | `silverwind` |
| `gitea.api_url`<br/>`github.api_url` | The URL of the REST API. | `https://gitea.com/api/v1` |
| `gitea.base_ref`<br/>`github.base_ref` | The target branch of a pull request. Only set for `pull_request` and `pull_request_target` events. | `main` |
| `gitea.env`<br/>`github.env` | Path on the runner to the file that sets environment variables from workflow commands. Unique to each step. | `/home/runner/work/_temp/_runner_file_commands/set_env_***` |
| `gitea.event`<br/>`github.event` | The full event webhook payload as an object. | `{...}` |
| `gitea.event_name`<br/>`github.event_name` | The name of the event that triggered the workflow run. | `push` |
| `gitea.event_path`<br/>`github.event_path` | Path on the runner to the file containing the full event webhook payload. | `/home/runner/work/_temp/_github_workflow/event.json` |
| `gitea.head_ref`<br/>`github.head_ref` | The source branch of a pull request. Only set for `pull_request` and `pull_request_target` events. | `feature-branch` |
| `gitea.job`<br/>`github.job` | The `job_id` of the current job. | `build` |
| `gitea.ref`<br/>`github.ref` | The fully-formed ref that triggered the workflow. | `refs/heads/main` |
| `gitea.ref_name`<br/>`github.ref_name` | The short ref name. | `main` |
| `gitea.ref_protected`<br/>`github.ref_protected` | `true` if branch protections are configured for the ref that triggered the workflow run. | `true` |
| `gitea.ref_type`<br/>`github.ref_type` | The type of ref: `branch` or `tag`. | `branch` |
| `gitea.path`<br/>`github.path` | Path on the runner to the file that sets system `PATH` variables from workflow commands. Unique to each step. | `/home/runner/work/_temp/_runner_file_commands/add_path_***` |
| `gitea.repository`<br/>`github.repository` | The owner and repository name. | `gitea/docs` |
| `gitea.repository_owner`<br/>`github.repository_owner` | The repository owner's username. | `gitea` |
| `gitea.repositoryUrl`<br/>`github.repositoryUrl` | The HTML URL to the repository. | `https://gitea.com/gitea/docs` |
| `gitea.retention_days`<br/>`github.retention_days` | The number of days that workflow run logs and artifacts are kept. | `90` |
| `gitea.run_id`<br/>`github.run_id` | A unique number for each workflow run within a repository. Does not change on re-run. | `1234` |
| `gitea.run_number`<br/>`github.run_number` | A unique number for each run of a particular workflow. Starts at 1 and increments with each new run. | `42` |
| `gitea.run_attempt`<br/>`github.run_attempt` | A unique number for each re-run attempt. Starts at 1 and increments with each re-run. | `1` |
| `gitea.secret_source`<br/>`github.secret_source` | The source of a secret used in a workflow. Always `Actions` in Gitea. | `Actions` |
| `gitea.server_url`<br/>`github.server_url` | The URL of the Gitea instance. | `https://gitea.com` |
| `gitea.sha`<br/>`github.sha` | The commit SHA that triggered the workflow. | `a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2` |
| `gitea.token`<br/>`github.token` | A token to authenticate on behalf of the Gitea App installed on the repository. See [Token permissions](token-permissions.md). | `ghs_***` |
| `gitea.triggering_actor`<br/>`github.triggering_actor` | The username of the user that initiated the workflow run. May differ from `actor` on re-runs. | `silverwind` |
| `gitea.workflow`<br/>`github.workflow` | The name of the workflow. If unnamed, the full path of the workflow file. | `CI` |
| `gitea.workspace`<br/>`github.workspace` | The default working directory on the runner and the default location of your repository when using the `checkout` action. | `/workspace/gitea/docs` |
| `gitea.gitea_default_actions_url` | The default URL for downloading actions. Gitea-specific. | `https://github.com` |
## Pre-defined environment variables
These environment variables are set automatically in every workflow run and can be accessed directly (e.g. `$CI` in shell scripts).
### Standard environment variables
| Name | Description | Example |
|---|---|---|
| `CI` | Always set to `true`. | `true` |
| `GITEA_ACTIONS` | Always set to `true`. Useful to distinguish Gitea Actions from other CI systems. | `true` |
| `GITEA_ACTIONS_RUNNER_VERSION` | The version of the act runner executing the workflow. | `0.2.11` |
| `GITEA_ENV`<br/>`GITHUB_ENV` | Path to the file that sets environment variables for subsequent steps. | `/home/runner/work/_temp/_runner_file_commands/set_env_***` |
| `GITEA_OUTPUT`<br/>`GITHUB_OUTPUT` | Path to the file that sets step output parameters. | `/home/runner/work/_temp/_runner_file_commands/set_output_***` |
| `GITEA_PATH`<br/>`GITHUB_PATH` | Path to the file that adds system `PATH` entries for subsequent steps. | `/home/runner/work/_temp/_runner_file_commands/add_path_***` |
| `GITEA_STATE`<br/>`GITHUB_STATE` | Path to the file that sets step state variables. | `/home/runner/work/_temp/_runner_file_commands/save_state_***` |
| `GITEA_STEP_SUMMARY`<br/>`GITHUB_STEP_SUMMARY` | Path to the file for writing job summaries. | `/home/runner/work/_temp/_runner_file_commands/step_summary_***` |
| `GITHUB_ACTIONS` | Always set to `true`. | `true` |
| `GITHUB_ACTION` | The name of the action currently running, or the step `id`. | `__run` |
| `GITHUB_ACTION_PATH` | The path where the action is located. | `/home/runner/work/_actions/actions/checkout/v4` |
| `GITHUB_ACTION_REF` | The ref of the action being executed. | `v4` |
| `GITHUB_ACTION_REPOSITORY` | The owner and repository of the action. | `actions/checkout` |
| `GITHUB_ACTOR` | The username of the user that triggered the workflow. | `silverwind` |
| `GITHUB_API_URL` | The URL of the REST API. | `https://gitea.com/api/v1` |
| `GITHUB_BASE_REF` | The target branch of a pull request. | `main` |
| `GITHUB_EVENT_NAME` | The name of the event that triggered the workflow. | `push` |
| `GITHUB_EVENT_PATH` | Path to the file containing the event webhook payload. | `/home/runner/work/_temp/_github_workflow/event.json` |
| `GITHUB_GRAPHQL_URL` | Empty in Gitea (GraphQL is not supported). | _(empty)_ |
| `GITHUB_HEAD_REF` | The source branch of a pull request. | `feature-branch` |
| `GITHUB_JOB` | The `job_id` of the current job. | `build` |
| `GITHUB_REF` | The fully-formed ref that triggered the workflow. | `refs/heads/main` |
| `GITHUB_REF_NAME` | The short ref name. | `main` |
| `GITHUB_REF_TYPE` | The type of ref: `branch` or `tag`. | `branch` |
| `GITHUB_REPOSITORY` | The owner and repository name. | `gitea/docs` |
| `GITHUB_REPOSITORY_OWNER` | The repository owner's username. | `gitea` |
| `GITHUB_RETENTION_DAYS` | The number of days that workflow run logs and artifacts are kept. | `90` |
| `GITHUB_RUN_ATTEMPT` | The attempt number of the workflow run. | `1` |
| `GITHUB_RUN_ID` | A unique number for each workflow run. | `1234` |
| `GITHUB_RUN_NUMBER` | A unique number for each run of a particular workflow. | `42` |
| `GITHUB_SERVER_URL` | The URL of the Gitea instance. | `https://gitea.com` |
| `GITHUB_SHA` | The commit SHA that triggered the workflow. | `a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2` |
| `GITHUB_WORKFLOW` | The name of the workflow. | `CI` |
| `GITHUB_WORKSPACE` | The default working directory on the runner. | `/workspace/gitea/docs` |
### Runner environment variables
| Name | Description | Example |
|---|---|---|
| `RUNNER_ARCH` | The architecture of the runner. | `X64` |
| `RUNNER_OS` | The operating system of the runner. | `Linux` |
| `RUNNER_TEMP` | Path to a temporary directory on the runner. | `/tmp` |
| `RUNNER_TOOL_CACHE` | Path to the tool cache directory on the runner. | `/opt/hostedtoolcache` |
### Internal environment variables
These are used internally by the runner and actions. They are typically not needed in workflows directly.
| Name | Description | Example |
|---|---|---|
| `ACTIONS_CACHE_URL` | URL for the actions cache service. | `http://192.168.1.10:8088/` |
| `ACTIONS_ID_TOKEN_REQUEST_TOKEN` | Token for OIDC requests. Only set when configured. | `***` |
| `ACTIONS_ID_TOKEN_REQUEST_URL` | URL to request OIDC tokens. Only set when configured. | `https://gitea.com/login/oauth/access_token` |
| `ACTIONS_RESULTS_URL` | URL for storing artifacts. | `https://gitea.com` |
| `ACTIONS_RUNTIME_TOKEN` | Authentication token for the Actions pipeline API. | `***` |
| `ACTIONS_RUNTIME_URL` | URL for the Gitea Actions pipeline API. | `https://gitea.com/api/actions_pipeline/` |