| #!/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 * |
| |
| |
| class Preparation(Step): |
| MESSAGE = "Preparation." |
| |
| def RunStep(self): |
| # Update v8 remote tracking branches. |
| self.GitFetchOrigin() |
| |
| |
| 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( |
| branch="origin/candidates", include_patches=True) |
| self["push_title"] = self.GitLog(n=1, format="%s", |
| git_hash=self["last_push"]) |
| |
| |
| class SwitchChromium(Step): |
| MESSAGE = "Switch to Chromium checkout." |
| |
| def RunStep(self): |
| self["v8_path"] = os.getcwd() |
| cwd = self._options.chromium |
| os.chdir(cwd) |
| 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): |
| self.GitCheckout("master", cwd=self._options.chromium) |
| self.Command("gclient", "sync --nohooks", cwd=self._options.chromium) |
| self.GitPull(cwd=self._options.chromium) |
| |
| # Update v8 remotes. |
| self.GitFetchOrigin() |
| |
| self.GitCreateBranch("v8-roll-%s" % self["last_push"], |
| cwd=self._options.chromium) |
| |
| |
| class UploadCL(Step): |
| MESSAGE = "Create and upload CL." |
| |
| def RunStep(self): |
| # Patch DEPS file. |
| if self.Command( |
| "roll-dep", "v8 %s" % self["last_push"], |
| cwd=self._options.chromium) is None: |
| self.Die("Failed to create deps for %s" % self["last_push"]) |
| |
| 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, self._options.reviewer), |
| author=self._options.author, |
| cwd=self._options.chromium) |
| if not self._options.dry_run: |
| self.GitUpload(author=self._options.author, |
| force=True, |
| cq=self._options.use_commit_queue, |
| cwd=self._options.chromium) |
| print "CL uploaded." |
| else: |
| self.GitCheckout("master", cwd=self._options.chromium) |
| self.GitDeleteBranch("v8-roll-%s" % self["last_push"], |
| cwd=self._options.chromium) |
| print "Dry run - don't upload." |
| |
| |
| # TODO(machenbach): Make this obsolete. We are only in the chromium chechout |
| # for the initial .git check. |
| class SwitchV8(Step): |
| MESSAGE = "Returning to V8 checkout." |
| |
| def RunStep(self): |
| os.chdir(self["v8_path"]) |
| |
| |
| class CleanUp(Step): |
| MESSAGE = "Done!" |
| |
| def RunStep(self): |
| print("Congratulations, you have successfully rolled %s into " |
| "Chromium. Please don't forget to update the v8rel spreadsheet." |
| % self["last_push"]) |
| |
| # 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("-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.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 |
| return True |
| |
| def _Config(self): |
| return { |
| "PERSISTFILE_BASENAME": "/tmp/v8-chromium-roll-tempfile", |
| } |
| |
| def _Steps(self): |
| return [ |
| Preparation, |
| DetectLastPush, |
| DetermineV8Sheriff, |
| SwitchChromium, |
| UpdateChromiumCheckout, |
| UploadCL, |
| SwitchV8, |
| CleanUp, |
| ] |
| |
| |
| if __name__ == "__main__": # pragma: no cover |
| sys.exit(ChromiumRoll().Run()) |