When running git presubmit hooks, use the changelist's description,...

git_cl_hooks.py

 # Copyright (c) 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.
 
 import os
 import re
 import subprocess
 import sys
 
 import breakpad
 
+import gcl
 import presubmit_support
 import scm
 import watchlists
 
 def Backquote(cmd, cwd=None):
   """Like running `cmd` in a shell script."""
   return subprocess.Popen(cmd,
                           cwd=cwd,
                           stdout=subprocess.PIPE).communicate()[0].strip()
 
@@ skipping 10 matching lines @@
       root = "."
     absroot = os.path.abspath(root)
     if not root:
       raise Exception("Could not get root directory.")
     log = Backquote(['git', 'show', '--name-only',
                      '--pretty=format:%H%n%s%n%n%b'])
     m = re.match(r'^(\w+)\n(.*)$', log, re.MULTILINE|re.DOTALL)
     if not m:
       raise Exception("Could not parse log message: %s" % log)
     name = m.group(1)
-    description = m.group(2)
     files = scm.GIT.CaptureStatus([root], upstream_branch)
     issue = Backquote(['git', 'cl', 'status', '--field=id'])
+    if issue == "None":
+      description = m.group(2)
+    else:
+      description = gcl.GetIssueDescription(int(issue))
     patchset = None
     self.change = presubmit_support.GitChange(name, description, absroot, files,
                                               issue, patchset)
 
 
 def RunHooks(hook_name, upstream_branch):
   commit = (hook_name == 'pre-cl-dcommit')
 
   # Create our options based on the command-line args and the current checkout.
   options = ChangeOptions(commit=commit, upstream_branch=upstream_branch)
@@ skipping 10 matching lines @@
   if presubmit_support.DoPresubmitChecks(options.change,
                                          options.commit,
                                          options.verbose,
                                          sys.stdout,
                                          sys.stdin,
                                          options.default_presubmit,
                                          options.may_prompt):
     sys.exit(0)
   else:
     sys.exit(1)