Add DEPS roll support to got_XXX_revision.

scripts/slave/chromium_commands.py

 # 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.
 
 """A subclass of commands.SVN that allows more flexible error recovery.
 
 This code is only used on the slave but it is living in common/ because it is
 directly imported from buildbot/slave/bot.py."""
 
 import os
@@ skipping 614 matching lines @@
   def __init__(self, *args, **kwargs):
     log.msg('ApplyIssue.__init__')
     self.root = None
     self.issue = None
     self.patchset = None
     self.email = None
     self.password = None
     self.workdir = None
     self.timeout = None
     self.server = None
+    self.command = None
     chromium_utils.GetParentClass(ApplyIssue).__init__(self, *args, **kwargs)
 
   def _doApplyIssue(self, _):
     """Run the apply_issue.py script in the source checkout directory."""
     log.msg('ApplyIssue._doApplyIssue')
     cmd = [
         'apply_issue.bat' if chromium_utils.IsWindows() else 'apply_issue',
         '-r', self.root,
         '-i', self.issue,
         '-p', self.patchset,
         '-e', self.email,
         '--no-auth',
     ]
 
     if self.server:
       cmd.extend(['-s', self.server])
 
-    command = runprocess.RunProcess(
+    self.command = runprocess.RunProcess(
         self.builder, cmd, os.path.join(self.builder.basedir, self.workdir),
-        timeout=self.timeout)
-    return command.start()
+        timeout=self.timeout, keepStdout=True)
+    return self.command.start()
 
   # Command overrides:
 
   def setup(self, args):
     self.root = args['root']
     self.issue = args['issue']
     self.patchset = args['patchset']
     self.email = args['email']
     self.password = args['password']
     self.workdir = args['workdir']
     self.timeout = args['timeout']
     self.server = args.get('server')
 
   def start(self):
     log.msg('ApplyIssue.start')
     d = defer.succeed(None)
     d.addCallback(self._doApplyIssue)
+    d.addCallback(self._parseGotRevision)
     return d
 
+  def _parseGotRevision(self, command):
+    return self.sendStatus(extract_revisions(self.command.stdout))
+
 
 def RegisterCommands():
   """Registers all command objects defined in this file."""
   try:
     # We run this code in a try because it fails with an assertion if
     # the module is loaded twice.
     commandRegistry['gclient'] = 'slave.chromium_commands.GClient'
     commandRegistry['apply_issue'] = 'slave.chromium_commands.ApplyIssue'
     return
   except (AssertionError, NameError):
     pass
 
 
 RegisterCommands()