| #!/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 * |
| |
| |
| ROLL_SUMMARY = ("Summary of changes available at:\n" |
| "https://chromium.googlesource.com/v8/v8/+log/%s..%s") |
| |
| |
| ISSUE_MSG = ( |
| """Please follow these instructions for assigning/CC'ing issues: |
| https://code.google.com/p/v8-wiki/wiki/TriagingIssues""") |
| |
| class Preparation(Step): |
| MESSAGE = "Preparation." |
| |
| def RunStep(self): |
| # Update v8 remote tracking branches. |
| self.GitFetchOrigin() |
| self.Git("fetch origin +refs/tags/*:refs/tags/*") |
| |
| |
| class PrepareRollCandidate(Step): |
| MESSAGE = "Robustness checks of the roll candidate." |
| |
| def RunStep(self): |
| self["roll_title"] = self.GitLog(n=1, format="%s", |
| git_hash=self._options.roll) |
| |
| # Make sure the last roll and the roll candidate are releases. |
| version = self.GetVersionTag(self._options.roll) |
| assert version, "The revision to roll is not tagged." |
| version = self.GetVersionTag(self._options.last_roll) |
| assert version, "The revision used as last roll is not tagged." |
| |
| |
| class SwitchChromium(Step): |
| MESSAGE = "Switch to Chromium checkout." |
| |
| def RunStep(self): |
| cwd = self._options.chromium |
| self.InitialEnvironmentChecks(cwd) |
| # Check for a clean workdir. |
| if not self.GitIsWorkdirClean(cwd=cwd): # 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(os.path.join(cwd, "DEPS")): # pragma: no cover |
| self.Die("DEPS file not present.") |
| |
| |
| class UpdateChromiumCheckout(Step): |
| MESSAGE = "Update the checkout and create a new branch." |
| |
| def RunStep(self): |
| cwd = self._options.chromium |
| self.GitCheckout("master", cwd=cwd) |
| self.DeleteBranch("work-branch", cwd=cwd) |
| self.Command("gclient", "sync --nohooks", cwd=cwd) |
| self.GitPull(cwd=cwd) |
| |
| # Update v8 remotes. |
| self.GitFetchOrigin() |
| |
| self.GitCreateBranch("work-branch", cwd=cwd) |
| |
| |
| class UploadCL(Step): |
| MESSAGE = "Create and upload CL." |
| |
| def RunStep(self): |
| cwd = self._options.chromium |
| # Patch DEPS file. |
| if self.Command("roll-dep-svn", "v8 %s" % |
| self._options.roll, cwd=cwd) is None: |
| self.Die("Failed to create deps for %s" % self._options.roll) |
| |
| message = [] |
| message.append("Update V8 to %s." % self["roll_title"].lower()) |
| |
| message.append( |
| ROLL_SUMMARY % (self._options.last_roll[:8], self._options.roll[:8])) |
| |
| message.append(ISSUE_MSG) |
| |
| message.append("TBR=%s" % self._options.reviewer) |
| self.GitCommit("\n\n".join(message), author=self._options.author, cwd=cwd) |
| if not self._options.dry_run: |
| self.GitUpload(author=self._options.author, |
| force=True, |
| cq=self._options.use_commit_queue, |
| cwd=cwd) |
| print "CL uploaded." |
| else: |
| print "Dry run - don't upload." |
| |
| self.GitCheckout("master", cwd=cwd) |
| self.GitDeleteBranch("work-branch", cwd=cwd) |
| |
| class CleanUp(Step): |
| MESSAGE = "Done!" |
| |
| def RunStep(self): |
| print("Congratulations, you have successfully rolled %s into " |
| "Chromium." |
| % self._options.roll) |
| |
| # Clean up all temporary files. |
| Command("rm", "-f %s*" % self._config["PERSISTFILE_BASENAME"]) |
| |
| |
| class ChromiumRoll(ScriptsBase): |
| def _PrepareOptions(self, parser): |
| parser.add_argument("-c", "--chromium", required=True, |
| help=("The path to your Chromium src/ " |
| "directory to automate the V8 roll.")) |
| parser.add_argument("--last-roll", required=True, |
| help="The git commit ID of the last rolled version.") |
| parser.add_argument("roll", nargs=1, help="Revision to roll."), |
| 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.author or not options.reviewer: |
| print "A reviewer (-r) and an author (-a) are required." |
| return False |
| |
| options.requires_editor = False |
| options.force = True |
| options.manual = False |
| options.roll = options.roll[0] |
| return True |
| |
| def _Config(self): |
| return { |
| "PERSISTFILE_BASENAME": "/tmp/v8-chromium-roll-tempfile", |
| } |
| |
| def _Steps(self): |
| return [ |
| Preparation, |
| PrepareRollCandidate, |
| DetermineV8Sheriff, |
| SwitchChromium, |
| UpdateChromiumCheckout, |
| UploadCL, |
| CleanUp, |
| ] |
| |
| |
| if __name__ == "__main__": # pragma: no cover |
| sys.exit(ChromiumRoll().Run()) |