| #!/usr/bin/env python | 
 | # Copyright 2014 The Chromium Authors. All rights reserved. | 
 | # Use of this source code is governed by a BSD-style license that can be | 
 | # found in the LICENSE file. | 
 |  | 
 | import sys | 
 | import optparse | 
 |  | 
 | import subcommand | 
 |  | 
 | from git_common import freeze, thaw | 
 |  | 
 | def CMDfreeze(parser, args): | 
 |   """Freeze a branch's changes.""" | 
 |   parser.parse_args(args) | 
 |   return freeze() | 
 |  | 
 |  | 
 | def CMDthaw(parser, args): | 
 |   """Returns a frozen branch to the state before it was frozen.""" | 
 |   parser.parse_args(args) | 
 |   return thaw() | 
 |  | 
 |  | 
 | def main(args): | 
 |   dispatcher = subcommand.CommandDispatcher(__name__) | 
 |   ret = dispatcher.execute(optparse.OptionParser(), args) | 
 |   if ret: | 
 |     print ret | 
 |   return 0 | 
 |  | 
 |  | 
 | if __name__ == '__main__': | 
 |   try: | 
 |     sys.exit(main(sys.argv[1:])) | 
 |   except KeyboardInterrupt: | 
 |     sys.stderr.write('interrupted\n') | 
 |     sys.exit(1) |