docs: def prompt_force():
      """
      Ask the user if they want to force update files that were previously resolved
      :return bool: response
      """
      logger_doi_main.info("enter prompt_force")
      count = 0
      print("Do you want to force updates for previously resolved files? (y/n)")
      while True:
          force = input("> ")
          try:
              if count == 2:
                  return True
              elif force.lower() in ('y', 'yes'):
                  return True
              elif force.lower() in ('n', 'no'):
                  return False
              else:
                  print("invalid response")
          except AttributeError as e:
              print("invalid response")
              logger_doi_main.warn("invalid response: {}, {}".format(force, e))
          count += 1
      logger_doi_main.info("force update: {}".format(force))
      logger_doi_main.info("exit prompt_force")
      return True