Added patchset persistence in gcl, this is necessary to implement a presubmit queue.

presubmit_support.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.
 
 """Enables directory-specific presubmit checks to run at upload and/or commit.
 """
 
 __version__ = '1.2'
 
@@ skipping 425 matching lines @@
 
   # Matches key/value (or "tag") lines in changelist descriptions.
   _tag_line_re = re.compile(
       '^\s*(?P<key>[A-Z][A-Z_0-9]*)\s*=\s*(?P<value>.*?)\s*$')
 
   def __init__(self, change_info, repository_root=''):
     #  Do not keep a reference to the original change_info.
     self._name = change_info.name
     self._full_description = change_info.description
     self._repository_root = repository_root
+    self.issue = change_info.issue
+    self.patchset = change_info.patchset
 
     # From the description text, build up a dictionary of key/value pairs
     # plus the description minus all key/value or "tag" lines.
     self._description_without_tags = []
     self.tags = {}
     for line in change_info.description.splitlines():
       m = self._tag_line_re.match(line)
       if m:
         self.tags[m.group('key')] = m.group('value')
       else:
@@ skipping 287 matching lines @@
   return not DoPresubmitChecks(gcl.ChangeInfo(name='temp', files=files),
                                options.commit,
                                options.verbose,
                                sys.stdout,
                                sys.stdin,
                                default_presubmit=None)
 
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))