code: func ExitError(ctx context.Context, exitCode int, err error, format string, args ...interface{}) error {
  	if err != nil {
  		out.Debug(ctx, "Stacktrace: %+v", err)
  	}
  	return cli.NewExitError(fmt.Sprintf(format, args...), exitCode)
  }
docs: // ExitError returns a user friendly CLI error