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

gcl.py

Index: gcl.py
===================================================================
--- gcl.py	(revision 33161)
+++ gcl.py	(working copy)
@@ -7,6 +7,7 @@
 changelists."""
 
 import getpass
+import optparse
 import os
 import random
 import re
@@ -920,6 +921,12 @@
 
 
 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
@@ -939,6 +946,8 @@
     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"),