old_contents: import os
  
  import blah.repositories
  import blah.fetcher
  
  class WhatIsThisCommand(object):
      def create_parser(self, subparser):
          subparser.add_argument("directory", nargs="?")
      
      def execute(self, args):
          directory = args.directory if args.directory is not None else os.getcwd()
          repository = blah.repositories.find_repository(directory)
          if repository is None:
              print "Could not find source control repository"
          else:
              print "{0}+file://{1}".format(repository.type, repository.working_directory)
  
  what_is_this_command = WhatIsThisCommand()
  
  class FetchCommand(object):
      def create_parser(self, subparser):
          subparser.add_argument("repository_uri", metavar="repository-uri")
          subparser.add_argument("local_path", metavar="local-path")
          subparser.add_argument("--use-cache", default=False)
      
      def execute(self, args):
          blah.fetcher.fetch(args.repository_uri, args.local_path, args.use_cache)
  
  commands = {
      "whatisthis": what_is_this_command,
      "what-is-this": what_is_this_command,
      "fetch": FetchCommand()
  }
  
new_contents: import os
  import argparse
  
  import blah.repositories
  import blah.fetcher
  
  class WhatIsThisCommand(object):
      def create_parser(self, subparser):
          subparser.add_argument("directory", nargs="?")
      
      def execute(self, args):
          directory = args.directory if args.directory is not None else os.getcwd()
          repository = blah.repositories.find_repository(directory)
          if repository is None:
              print "Could not find source control repository"
          else:
              print "{0}+file://{1}".format(repository.type, repository.working_directory)
  
  what_is_this_command = WhatIsThisCommand()
  
  class FetchCommand(object):
      def create_parser(self, subparser):
          subparser.add_argument("repository_uri", metavar="repository-uri")
          subparser.add_argument("local_path", metavar="local-path")
          subparser.add_argument("--use-cache", default=False, help=argparse.SUPPRESS, action="store_true")
      
      def execute(self, args):
          blah.fetcher.fetch(args.repository_uri, args.local_path, args.use_cache)
  
  commands = {
      "whatisthis": what_is_this_command,
      "what-is-this": what_is_this_command,
      "fetch": FetchCommand()
  }
  
subject: Fix and hide --use-cache option