code: def main(argv: Optional[Sequence[str]] = None) -> None:
      
      args = parse_arguments(argv=argv)
  
      if args.logging:
          logging.basicConfig(level=logging.DEBUG)
  
      handle_skip()
  
      action = args.action
      request = parse_request()
      LOGGER.debug('Received action %s with request:\n%s',
                   action, request)
  
      try:
          mapping = parse_mapping(args.mapping)
      except Exception as error:
          LOGGER.critical('Unable to parse mapping file', exc_info=True)
          print(  # noqa: P101
              'Unable to parse mapping file: {error}'.format(
                  error=error),
              file=sys.stderr)
          sys.exit(1)
  
      if action == 'get':
          get_password(request, mapping)
      else:
          LOGGER.info('Action %s is currently not supported', action)
          sys.exit(1)
docs: Start the pass-git-helper script.
  
      Args:
          argv:
              If not ``None``, use the provided command line arguments for
              parsing. Otherwise, extract them automatically.