temporary fix for repos that directly used DownloadHooks from git_cl.py.

git_cl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 # Copyright (C) 2008 Evan Martin <martine@danga.com>
 
 """A git-command for integrating reviews on Rietveld."""
 
 from distutils.version import LooseVersion
@@ skipping 1586 matching lines @@
                      'chmod +x .git/hooks/commit-msg' % (dst, src))
       os.chmod(dst, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR)
     except Exception:
       if os.path.exists(dst):
         os.remove(dst)
       DieWithError('\nFailed to download hooks.\n'
                    'You need to download from\n%s\n'
                    'into .git/hooks/commit-msg and '
                    'chmod +x .git/hooks/commit-msg' % src)
 
+# TODO(tandrii): remove this once repos which call this method directly are
+# upgraded.
+DownloadHooks = DownloadGerritHook
 
 @subcommand.usage('[repo root containing codereview.settings]')
 def CMDconfig(parser, args):
   """Edits configuration for this tree."""
 
   parser.add_option('--activate-update', action='store_true',
                     help='activate auto-updating [rietveld] section in '
                          '.git/config')
   parser.add_option('--deactivate-update', action='store_true',
                     help='deactivate auto-updating [rietveld] section in '
@@ skipping 2368 matching lines @@
 if __name__ == '__main__':
   # These affect sys.stdout so do it outside of main() to simplify mocks in
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     sys.stderr.write('interrupted\n')
     sys.exit(1)