Add support for BUG_PREFIX in codereview.settings

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 160 matching lines @@
        ''),
       ((['git', 'log', '--pretty=format:%s%n%n%b',
          'fake_ancestor_sha...'],),
        'foo'),
       ((['git', 'config', 'user.email'],), 'me@example.com'),
       stat_call,
       ((['git', 'config', 'gerrit.host'],), ''),
       ((['git', 'log', '--pretty=format:%s\n\n%b',
          'fake_ancestor_sha..HEAD'],),
        'desc\n'),
+      ((['git', 'config', 'rietveld.bug-prefix'],), ''),
     ]
 
   @classmethod
   def _git_upload_no_rev_calls(cls):
     return [
       ((['git', 'config', 'core.editor'],), ''),
     ]
 
   @classmethod
   def _git_upload_calls(cls, private):
@@ skipping 472 matching lines @@
          ''),
         ((['git', 'config', 'rietveld.server',
            'gerrit.chromium.org'],), ''),
         ((['git', 'config', '--unset-all', 'rietveld.cc'],), ''),
         ((['git', 'config', '--unset-all',
            'rietveld.private'],), ''),
         ((['git', 'config', '--unset-all',
            'rietveld.tree-status-url'],), ''),
         ((['git', 'config', '--unset-all',
            'rietveld.viewvc-url'],), ''),
+        ((['git', 'config', '--unset-all',
+           'rietveld.bug-prefix'],), ''),
         ((['git', 'config', 'gerrit.host',
            'gerrit.chromium.org'],), ''),
         # DownloadHooks(False)
         ((['git', 'config', 'gerrit.host'],),
          'gerrit.chromium.org'),
         ((['git', 'rev-parse', '--show-cdup'],), ''),
         ((commit_msg_path, os.X_OK,), False),
         (('https://gerrit-review.googlesource.com/tools/hooks/commit-msg',
           commit_msg_path,), ''),
         ((commit_msg_path,), True),
         ((commit_msg_path, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR,), ''),
         # GetCodereviewSettingsInteractively
         ((['git', 'config', 'rietveld.server'],),
          'gerrit.chromium.org'),
         (('Rietveld server (host[:port]) [https://gerrit.chromium.org]:',),
          ''),
         ((['git', 'config', 'rietveld.cc'],), ''),
         (('CC list:',), ''),
         ((['git', 'config', 'rietveld.private'],), ''),
         (('Private flag (rietveld only):',), ''),
         ((['git', 'config', 'rietveld.tree-status-url'],), ''),
         (('Tree status URL:',), ''),
         ((['git', 'config', 'rietveld.viewvc-url'],), ''),
         (('ViewVC URL:',), ''),
         # DownloadHooks(True)
+        ((['git', 'config', 'rietveld.bug-prefix'],), ''),
+        (('Bug Prefix:',), ''),
         ((commit_msg_path, os.X_OK,), True),
         ]
     git_cl.main(['config'])
 
   def test_update_reviewers(self):
     data = [
       ('foo', [], 'foo'),
       ('foo\nR=xx', [], 'foo\nR=xx'),
       ('foo\nTBR=xx', [], 'foo\nTBR=xx'),
       ('foo', ['a@c'], 'foo\n\nR=a@c'),
@@ skipping 19 matching lines @@
       obj = git_cl.ChangeDescription(orig)
       obj.update_reviewers(reviewers)
       actual.append(obj.description)
     self.assertEqual(expected, actual)
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()