Method promptTaskVars

requires.go:102–147

promptTaskVars prompts for any missing required vars from a single task. Used for sequential task calls (cmds) where we can prompt just-in-time. Returns true if any vars were prompted (caller should recompile the task).

(t *ast.Task, call *Call)

// Used for sequential task calls (cmds) where we can prompt just-in-time.
// Returns true if any vars were prompted (caller should recompile the task).
func (e *Executor) promptTaskVars(t *ast.Task, call *Call) (bool, error) {
	if !e.canPrompt() || t.Requires == nil || len(t.Requires.Vars) == 0 {
		return false, nil
	}

	// Find missing vars, excluding already prompted ones
	var missing []*ast.VarsWithValidation
	for _, v := range getMissingRequiredVars(t) {
		if e.promptedVars != nil {
			if _, ok := e.promptedVars.Get(v.Name); ok {
				continue
			}
		}
		missing = append(missing, v)
	}

	if len(missing) == 0 {
		return false, nil
	}

	prompter := e.newPrompter()

	for _, v := range missing {
		value, err := prompter.Prompt(v.Name, getEnumValues(v.Enum))
		if err != nil {
			if errors.Is(err, input.ErrCancelled) {
				return false, &errors.TaskCancelledByUserError{TaskName: t.Name()}
			}
			return false, err
		}

		// Add to call.Vars for recompilation
		if call.Vars == nil {
			call.Vars = ast.NewVars()
		}
		call.Vars.Set(v.Name, ast.Var{Value: value})

		// Cache for reuse by other tasks
		if e.promptedVars == nil {
			e.promptedVars = ast.NewVars()
		}
		e.promptedVars.Set(v.Name, ast.Var{Value: value})
	}

	return true, nil
}

// getMissingRequiredVars returns required vars that are not set in the task's vars.
func getMissingRequiredVars(t *ast.Task) []*ast.VarsWithValidation {