Enable specification of author email in push-to-trunk.

tools/push-to-trunk/common_includes.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 209 matching lines @@
 
 
 class CommonOptions(object):
   def __init__(self, options, manual=True):
     self.requires_editor = True
     self.wait_for_lgtm = True
     self.s = options.s
     self.force_readline_defaults = not manual
     self.force_upload = not manual
     self.manual = manual
+    self.author = getattr(options, 'a', None)
 
 
 class Step(object):
   def __init__(self, text, requires, number, config, state, options, handler):
     self._text = text
     self._requires = requires
     self._number = number
     self._config = config
     self._state = state
     self._options = options
@@ skipping 221 matching lines @@
   MESSAGE = "Upload for code review."
 
   def RunStep(self):
     if self._options.r:
       print "Using account %s for review." % self._options.r
       reviewer = self._options.r
     else:
       print "Please enter the email address of a V8 reviewer for your patch: ",
       self.DieNoManualMode("A reviewer must be specified in forced mode.")
       reviewer = self.ReadLine()
+    author_option = self._options.author
+    author = " --email \"%s\"" % author_option if author_option else ""
     force_flag = " -f" if self._options.force_upload else ""
-    args = "cl upload -r \"%s\" --send-mail%s" % (reviewer, force_flag)
+    args = ("cl upload%s -r \"%s\" --send-mail%s"
+            % (author, reviewer, force_flag))
     # TODO(machenbach): Check output in forced mode. Verify that all required
     # base files were uploaded, if not retry.
     if self.Git(args, pipe=False) is None:
       self.Die("'git cl upload' failed, please try again.")
 
 
 def MakeStep(step_class=Step, number=0, state=None, config=None,
              options=None, side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
     # Allow to pass in empty dictionaries.
     state = state if state is not None else {}
@@ skipping 18 matching lines @@
               options,
               side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
   state = {}
   steps = []
   for (number, step_class) in enumerate(step_classes):
     steps.append(MakeStep(step_class, number, state, config,
                           options, side_effect_handler))
 
   for step in steps[options.s:]:
     step.Run()