Function installFishCompletion

pkg/cli/shell_completion.go:307–343

installFishCompletion installs fish completion

(verbose bool, cmd *cobra.Command)

// installFishCompletion installs fish completion
func installFishCompletion(verbose bool, cmd *cobra.Command) error {
	shellCompletionLog.Print("Installing fish completion")

	// Generate completion script using Cobra
	var buf bytes.Buffer
	if err := cmd.GenFishCompletion(&buf, true); err != nil {
		return fmt.Errorf("failed to generate fish completion: %w", err)
	}

	completionScript := buf.String()

	// Determine installation path
	homeDir, err := os.UserHomeDir()
	if err != nil {
		return fmt.Errorf("failed to get home directory: %w", err)
	}

	// Fish completion directory
	completionDir := filepath.Join(homeDir, ".config", "fish", "completions")
	// Use restrictive permissions (0750) following principle of least privilege
	if err := os.MkdirAll(completionDir, constants.DirPermSensitive); err != nil {
		return fmt.Errorf("failed to create completion directory: %w", err)
	}

	completionPath := filepath.Join(completionDir, "gh-aw.fish")

	// Write completion file
	// Use restrictive permissions (0600) following principle of least privilege
	if err := os.WriteFile(completionPath, []byte(completionScript), constants.FilePermSensitive); err != nil {
		return fmt.Errorf("failed to write completion file: %w", err)
	}

	fmt.Fprintln(os.Stderr, console.FormatSuccessMessage("Installed fish completion to: "+completionPath))
	fmt.Fprintln(os.Stderr, console.FormatInfoMessage("Fish will automatically load completions on next shell start"))

	return nil
}

// installPowerShellCompletion installs PowerShell completion
func installPowerShellCompletion(verbose bool, cmd *cobra.Command) error {