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#!/usr/bin/env python
# Copyright 2014 the V8 project 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 argparse
import os
import sys
from common_includes import *
DEPS_FILE = "DEPS_FILE"
CHROMIUM = "CHROMIUM"
CONFIG = {
PERSISTFILE_BASENAME: "/tmp/v8-chromium-roll-tempfile",
DOT_GIT_LOCATION: ".git",
DEPS_FILE: "DEPS",
}
class Preparation(Step):
MESSAGE = "Preparation."
def RunStep(self):
self.CommonPrepare()
class DetectLastPush(Step):
MESSAGE = "Detect commit ID of last push to trunk."
def RunStep(self):
self["last_push"] = self._options.last_push or self.FindLastTrunkPush(
include_patches=True)
self["trunk_revision"] = self.GitSVNFindSVNRev(self["last_push"])
self["push_title"] = self.GitLog(n=1, format="%s",
git_hash=self["last_push"])
class CheckChromium(Step):
MESSAGE = "Ask for chromium checkout."
def Run(self):
self["chrome_path"] = self._options.chromium
while not self["chrome_path"]:
self.DieNoManualMode("Please specify the path to a Chromium checkout in "
"forced mode.")
print ("Please specify the path to the chromium \"src\" directory: "),
self["chrome_path"] = self.ReadLine()
class SwitchChromium(Step):
MESSAGE = "Switch to Chromium checkout."
REQUIRES = "chrome_path"
def RunStep(self):
self["v8_path"] = os.getcwd()
os.chdir(self["chrome_path"])
self.InitialEnvironmentChecks()
# Check for a clean workdir.
if not self.GitIsWorkdirClean(): # pragma: no cover
self.Die("Workspace is not clean. Please commit or undo your changes.")
# Assert that the DEPS file is there.
if not os.path.exists(self.Config(DEPS_FILE)): # pragma: no cover
self.Die("DEPS file not present.")
class UpdateChromiumCheckout(Step):
MESSAGE = "Update the checkout and create a new branch."
REQUIRES = "chrome_path"
def RunStep(self):
os.chdir(self["chrome_path"])
self.GitCheckout("master")
self.GitPull()
self.GitCreateBranch("v8-roll-%s" % self["trunk_revision"])
class UploadCL(Step):
MESSAGE = "Create and upload CL."
REQUIRES = "chrome_path"
def RunStep(self):
os.chdir(self["chrome_path"])
# Patch DEPS file.
deps = FileToText(self.Config(DEPS_FILE))
deps = re.sub("(?<=\"v8_revision\": \")([0-9]+)(?=\")",
self["trunk_revision"],
deps)
TextToFile(deps, self.Config(DEPS_FILE))
if self._options.reviewer and not self._options.manual:
print "Using account %s for review." % self._options.reviewer
rev = self._options.reviewer
else:
print "Please enter the email address of a reviewer for the roll CL: ",
self.DieNoManualMode("A reviewer must be specified in forced mode.")
rev = self.ReadLine()
commit_title = "Update V8 to %s." % self["push_title"].lower()
sheriff = ""
if self["sheriff"]:
sheriff = ("\n\nPlease reply to the V8 sheriff %s in case of problems."
% self["sheriff"])
self.GitCommit("%s%s\n\nTBR=%s" % (commit_title, sheriff, rev))
self.GitUpload(author=self._options.author,
force=self._options.force_upload,
cq=self._options.use_commit_queue)
print "CL uploaded."
class SwitchV8(Step):
MESSAGE = "Returning to V8 checkout."
REQUIRES = "chrome_path"
def RunStep(self):
os.chdir(self["v8_path"])
class CleanUp(Step):
MESSAGE = "Done!"
def RunStep(self):
print("Congratulations, you have successfully rolled the push r%s it into "
"Chromium. Please don't forget to update the v8rel spreadsheet."
% self["trunk_revision"])
# Clean up all temporary files.
Command("rm", "-f %s*" % self._config[PERSISTFILE_BASENAME])
class ChromiumRoll(ScriptsBase):
def _PrepareOptions(self, parser):
group = parser.add_mutually_exclusive_group()
group.add_argument("-f", "--force",
help="Don't prompt the user.",
default=False, action="store_true")
group.add_argument("-m", "--manual",
help="Prompt the user at every important step.",
default=False, action="store_true")
parser.add_argument("-c", "--chromium",
help=("The path to your Chromium src/ "
"directory to automate the V8 roll."))
parser.add_argument("-l", "--last-push",
help="The git commit ID of the last push to trunk.")
parser.add_argument("--use-commit-queue",
help="Check the CQ bit on upload.",
default=False, action="store_true")
def _ProcessOptions(self, options): # pragma: no cover
if not options.manual and not options.reviewer:
print "A reviewer (-r) is required in (semi-)automatic mode."
return False
if not options.manual and not options.chromium:
print "A chromium checkout (-c) is required in (semi-)automatic mode."
return False
if not options.manual and not options.author:
print "Specify your chromium.org email with -a in (semi-)automatic mode."
return False
options.tbr_commit = not options.manual
return True
def _Steps(self):
return [
Preparation,
DetectLastPush,
CheckChromium,
DetermineV8Sheriff,
SwitchChromium,
UpdateChromiumCheckout,
UploadCL,
SwitchV8,
CleanUp,
]
if __name__ == "__main__": # pragma: no cover
sys.exit(ChromiumRoll(CONFIG).Run())
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