code: func (a *AskPassCredentialHelper) args(prompt string) []string {
  	if len(prompt) == 0 {
  		return nil
  	}
  	return []string{prompt}
  }
docs: // args returns the arguments given to the ASKPASS program, if a prompt was
  // given.
  // See: https://git-scm.com/docs/gitcredentials#_requesting_credentials for
  // more.