Add removed a configuration line by error, causing a runtime exception.

config/master.tryserver/try_job_svn.py

 #!/usr/bin/python
 # Copyright (c) 2008 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
 
 from buildbot import buildset
 from buildbot.scheduler import BadJobfile
 from buildbot.scheduler import TryBase
@@ skipping 18 matching lines @@
     self.watcher.setServiceParent(self)
 
   def parseJob(self, comment, diff):
     builderNames = []
     options = dict(item.split('=') for item in comment.splitlines())
     job_name = options.get('name', 'Unnamed')
     user = options.get('user', 'John Doe')
     email = options.get('email', None)
     if 'user' in options and not email:
       email = '%s@%s' % (user, config.Master.master_domain)
+    root = options.get('root', None)
     clobber = options.get('clobber', False)
     # -pN argument to patch.
     patchlevel = options.get('patchlevel', 0)
     branch = options.get('branch', None)
     revision = options.get('revision', None)
     buildsetID = options.get('reason', "%s: %s" % (user, job_name))
     builderNames = []
     if 'bot' in options:
       builderNames = [ options['bot'] ]
     # TODO(maruel): Don't select the builders right now if not specified.
@@ skipping 26 matching lines @@
       builderNames, job_stamp, buildsetID = self.parseJob(change.comments,
                                                           diff_content)
     except BadJobfile:
       log.msg("%s reports a bad job connection" % (self))
       log.err()
       return
     reason = "'%s' try job" % buildsetID
     bs = buildset.BuildSet(builderNames, job_stamp, reason=reason,
                            bsid=buildsetID)
     self.parent.submitBuildSet(bs)