fix(completion): support --global flag in zsh completion (#2574)

CHANGELOG.md

@@ -42,6 +42,8 @@
   on failure, improving visibility in workflow summaries (#2568 by @vmaerten).
 - Fixed a bug where `ignore_error` was ignored when using `task:` to call
   another task (#2552, #363 by @trulede).
+- Fixed Zsh completion not suggesting global tasks when using `-g`/`--global`
+  flag (#1574, #2574 by @vmaerten).
 
 ## v3.45.5 - 2025-11-11
 

completion/zsh/_task

@@ -33,6 +33,10 @@ function __task_list() {
         cmd+=(--taskfile "$taskfile")
     fi
 
+    # Check if global flag is set
+    if (( ${+opt_args[(i)-g|--global]} )); then
+        cmd+=(--global)
+    fi
 
     if output=$("${cmd[@]}" $_GO_TASK_COMPLETION_LIST_OPTION 2>/dev/null); then
         enabled=1