old_contents: #!/usr/bin/env python3
  
  from GitManager.utils import format
  from GitManager.config import file
  from GitManager.commands import status, lister, fetch, setup, pull, state
  
  
  #
  # MAIN ENTRY POINT
  #
  
  
  def main(args):
      """ The main entry point for git-manager"""
  
      try:
          real_main(args)
      except BrokenPipeError:
          return 2
      except KeyboardInterrupt:
          print("\n{}".format(
              format.Format.red("Received KeyboardInterrupt")
          ))
          return 2
      except Exception as e:
          print("\n{}".format(
              format.Format.red("Unknown error: {}".format(e))
          ))
          return 3
  
  
  def real_main(args):
      """ Main entry point for the program -- may throw errors"""
  
      # Warn if we do not have anything to do
      if len(args) <= 1:
          print(
              format.Format.red("Too few arguments. Usage: %s"
                                "setup|fetch|pull|ls|status|state"
                                % (args[0])))
          return 1
  
      # Find the configuration file
      cfg_file = file.File.find()
  
      # Check that we have a configuration file.
      if cfg_file is None:
          print(format.Format.red("Missing configuration file. "))
          return 1
  
      # read the list of repositories
      config = file.File(cfg_file)
      try:
          config.read()
      except:
          print(format.Format.red("Unable to read configuration file. "))
          return 1
  
      line = format.TerminalLine()
      repos = list(config.descriptions)
  
      if args[1] == 'setup':
          setup.Setup(line, repos, *args[1:])()
  
      elif args[1] == 'fetch':
          fetch.Fetch(line, repos, *args[1:])()
      elif args[1] == 'pull':
          pull.Pull(line, repos, *args[1:])()
  
      elif args[1] == 'ls':
          lister.LsLocal(line, repos, *args[1:])()
      elif args[1] == 'status':
          status.Status(line, repos, *args[1:])()
      elif args[1] == 'state':
          state.State(line, repos, *args[1:])()
      else:
          print('Unknown command %r' % (args[1],))
          return 1
  
      return 0
  
  
  __all__ = ["main"]
  
new_contents: #!/usr/bin/env python3
  
  import argparse
  
  from GitManager.utils import format
  from GitManager.config import file
  from GitManager.commands import status, lister, fetch, setup, pull, state
  
  
  def main(args):
      """ The main entry point for git-manager"""
  
      try:
          real_main(args)
      except BrokenPipeError:
          return 2
      except KeyboardInterrupt:
          print("\n{}".format(
              format.Format.red("Received KeyboardInterrupt")
          ))
          return 2
      except Exception as e:
          print("\n{}".format(
              format.Format.red("Unknown error: {}".format(e))
          ))
          return 3
  
  
  def real_main(args):
      """ Main entry point for the program -- may throw errors"""
  
      ACTIONS = ['help', 'setup', 'fetch', 'pull', 'ls', 'status', 'state']
  
      # Create an argument parser
      parser = argparse.ArgumentParser(add_help=False)
      parser.add_argument("action", nargs='?',
                          help="Action to perform. One of '{}'. ".format(
                              "', '".join(ACTIONS)))
  
      args, command_args = parser.parse_known_args()
  
      # Find the configuration file
      cfg_file = file.File.find()
  
      # Check that we have a configuration file.
      if cfg_file is None:
          print(format.Format.red("Missing configuration file. "))
          return 1
  
      # read the list of repositories
      config = file.File(cfg_file)
      try:
          config.read()
      except:
          print(format.Format.red("Unable to read configuration file. "))
          return 1
  
      line = format.TerminalLine()
      repos = list(config.descriptions)
  
      if args.action == 'help' or args.action is None:
          parser.print_help()
  
      elif args.action == 'setup':
          setup.Setup(line, repos, *command_args)()
  
      elif args.action == 'fetch':
          fetch.Fetch(line, repos, *command_args)()
      elif args.action == 'pull':
          pull.Pull(line, repos, *command_args)()
  
      elif args.action == 'ls':
          lister.LsLocal(line, repos, *command_args)()
      elif args.action == 'status':
          status.Status(line, repos, *command_args)()
      elif args.action == 'state':
          state.State(line, repos, *command_args)()
      else:
          print('Unknown command %r' % (args.action,))
          return 1
  
      return 0
  
  
  __all__ = ["main"]
  
subject: Update argument parsing in main()