code: func printPodTemplate(specTemplate *corev1.PodTemplateSpec) (string, error) {
  	podSpec, err := printTemplate(specTemplate)
  	if err != nil {
  		return "", err
  	}
  	return fmt.Sprintf("will roll back to %s", podSpec), nil
  }
docs: // printPodTemplate converts a given pod template into a human-readable string.