Added --email to git_cl.py

Passing the email address used to connect to Rietveld on the command
line is useful for testing purposes, in particular with a test server.

BUG=331123

Review URL: https://codereview.chromium.org/122583003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@244017 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/git_cl.py b/git_cl.py
index 9d7cb4e..2bf1b98 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -1444,6 +1444,9 @@
 
   change_desc = None
 
+  if options.email is not None:
+    upload_args.extend(['--email', options.email])
+
   if cl.GetIssue():
     if options.title:
       upload_args.extend(['--title', options.title])
@@ -1583,6 +1586,9 @@
   parser.add_option('--target_branch',
                     help='When uploading to gerrit, remote branch to '
                          'use for CL.  Default: master')
+  parser.add_option('--email', default=None,
+                    help='email address to use to connect to Rietveld')
+
   add_git_similarity(parser)
   (options, args) = parser.parse_args(args)