| #!/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) |
| 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.") |
| |
| 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()) |