Gerrit git cl upload: implement setting cc and reviewers.

tests/git_cl_test.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.
 
 """Unit tests for git_cl.py."""
 
 import os
 import StringIO
 import stat
@@ skipping 783 matching lines @@
            ref_to_push),
           ]
     else:
       ref_to_push = 'HEAD'
 
     calls += [
         ((['git', 'rev-list',
             expected_upstream_ref + '..' + ref_to_push],), ''),
         ((['git', 'config', 'rietveld.cc'],), '')
         ]
-    receive_pack = '--receive-pack=git receive-pack '
-    receive_pack += '--cc=joe@example.com'  # from watch list
+    # Add cc from watch list.
+    if ref_suffix == '':
+      ref_suffix = '%cc=joe@example.com'
+    else:
+      ref_suffix += ',cc=joe@example.com'
     if reviewers:
-      receive_pack += ' '
-      receive_pack += ' '.join(
-          '--reviewer=' + email for email in sorted(reviewers))
-    receive_pack += ''
+      ref_suffix += ',' + ','.join('r=%s' % email for email in sorted(reviewers))
     calls += [
-        ((['git',
-           'push', receive_pack, 'origin',
+        ((['git', 'push', 'origin',
            ref_to_push + ':refs/for/refs/heads/master' + ref_suffix],),
          ('remote:\n'
          'remote: Processing changes: (\)\n'
          'remote: Processing changes: (|)\n'
          'remote: Processing changes: (/)\n'
          'remote: Processing changes: (-)\n'
          'remote: Processing changes: new: 1 (/)\n'
          'remote: Processing changes: new: 1, done\n'
          'remote:\n'
          'remote: New Changes:\n'
@@ skipping 474 matching lines @@
       'chromium.googlesource.com': 'same',
       'chromium-review.googlesource.com': 'same',
     })
     self.assertIsNone(cl.EnsureAuthenticated(force=False))
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()