fix: autocomplete works with other binary than 'task' (#2495)

completion/bash/task.bash

@@ -1,6 +1,7 @@
 # vim: set tabstop=2 shiftwidth=2 expandtab:
 
 _GO_TASK_COMPLETION_LIST_OPTION='--list-all'
+TASK_CMD="${TASK_EXE:-task}"
 
 function _task()
 {
@@ -52,4 +53,4 @@ function _task()
   __ltrim_colon_completions "$cur"
 }
 
-complete -F _task task
+complete -F _task "$TASK_CMD"

completion/fish/task.fish

@@ -1,4 +1,4 @@
-set -l GO_TASK_PROGNAME task
+set -l GO_TASK_PROGNAME (if set -q GO_TASK_PROGNAME; echo $GO_TASK_PROGNAME; else if set -q TASK_EXE; echo $TASK_EXE; else; echo task; end)
 
 # Cache variables for experiments (global)
 set -g __task_experiments_cache ""

completion/zsh/_task

@@ -1,6 +1,7 @@
 #compdef task
-compdef _task task
 typeset -A opt_args
+TASK_CMD="${TASK_EXE:-task}"
+compdef _task "$TASK_CMD"
 
 _GO_TASK_COMPLETION_LIST_OPTION="${GO_TASK_COMPLETION_LIST_OPTION:---list-all}"
 
@@ -16,7 +17,7 @@ function __task_list() {
     local -i enabled=0
     local taskfile item task desc
 
-    cmd=(task)
+    cmd=($TASK_CMD)
     taskfile=${(Qv)opt_args[(i)-t|--taskfile]}
     taskfile=${taskfile//\~/$HOME}
 

website/src/docs/installation.md

@@ -332,21 +332,28 @@ config:
 This method loads the completion script from the currently installed version of
 task every time you create a new shell. This ensures that your completions are
 always up-to-date.
+If your executable isn’t named task, set the `TASK_EXE` environment variable before running eval.
 
 ::: code-group
 
 ```shell [bash]
 # ~/.bashrc
+
+# export TASK_EXE='go-task' if needed
 eval "$(task --completion bash)"
 ```
 
 ```shell [zsh]
 # ~/.zshrc
+
+# export TASK_EXE='go-task' if needed
 eval "$(task --completion zsh)"
 ```
 
 ```shell [fish]
 # ~/.config/fish/config.fish
+
+# export TASK_EXE='go-task' if needed
 task --completion fish | source
 ```