gcl: add a new flag '-c' that stands for 'contributor'....

gcl.py

 #!/usr/bin/python
 # Copyright (c) 2006-2009 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.
 
 """Wrapper script around Rietveld's upload.py that groups files into
 changelists."""
 
 import getpass
+import optparse
 import os
 import random
 import re
 import shutil
 import string
 import subprocess
 import sys
 import tempfile
 import upload
 import urllib2
@@ skipping 893 matching lines @@
                         swallow_exception=swallow_exception,
                         prog='gcl try')
   else:
     trychange.TryChange(args,
                         file_list=None,
                         swallow_exception=swallow_exception,
                         prog='gcl try')
 
 
 def Commit(change_info, args):
+  parser = optparse.OptionParser(usage='gcl commit [options]')
+  parser.add_option('-c', '--contributor',
+                    help="external contributor for patch (appended to " +
+                         "description)")
+  (options, args) = parser.parse_args(args)
+  
   if not change_info.GetFiles():
     print "Nothing to commit, changelist is empty."
     return
   if not OptionallyDoPresubmitChecks(change_info, True, args):
     return
 
   # We face a problem with svn here: Let's say change 'bleh' modifies
   # svn:ignore on dir1\. but another unrelated change 'pouet' modifies
   # dir1\foo.cc. When the user `gcl commit bleh`, foo.cc is *also committed*.
   # The only fix is to use --non-recursive but that has its issues too:
   # Let's say if dir1 is deleted, --non-recursive must *not* be used otherwise
   # you'll get "svn: Cannot non-recursively commit a directory deletion of a
   # directory with child nodes". Yay...
   commit_cmd = ["svn", "commit"]
   if change_info.issue:
     # Get the latest description from Rietveld.
     change_info.description = GetIssueDescription(change_info.issue)
 
   commit_message = change_info.description.replace('\r\n', '\n')
+  if options.contributor:
+    commit_message += ('\nPatch from %s' % options.contributor)
   if change_info.issue:
     commit_message += ('\nReview URL: http://%s/%d' %
                        (GetCodeReviewSetting("CODE_REVIEW_SERVER"),
                         change_info.issue))
 
   handle, commit_filename = tempfile.mkstemp(text=True)
   os.write(handle, commit_message)
   os.close(handle)
 
   handle, targets_filename = tempfile.mkstemp(text=True)
@@ skipping 331 matching lines @@
       return 0
     args =["svn", command]
     root = GetRepositoryRoot()
     args.extend([os.path.join(root, x) for x in change_info.GetFileNames()])
     RunShell(args, True)
   return 0
 
 
 if __name__ == "__main__":
   sys.exit(main())