Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2014 the V8 project authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | import argparse |
| 7 | import os |
| 8 | import sys |
| 9 | |
| 10 | from common_includes import * |
| 11 | |
| 12 | |
| 13 | class Preparation(Step): |
| 14 | MESSAGE = "Preparation." |
| 15 | |
| 16 | def RunStep(self): |
| 17 | # Update v8 remote tracking branches. |
| 18 | self.GitFetchOrigin() |
| 19 | |
| 20 | |
| 21 | class DetectLastPush(Step): |
| 22 | MESSAGE = "Detect commit ID of last push to trunk." |
| 23 | |
| 24 | def RunStep(self): |
| 25 | self["last_push"] = self._options.last_push or self.FindLastTrunkPush( |
| 26 | branch="origin/master", include_patches=True) |
| 27 | self["trunk_revision"] = self.GetCommitPositionNumber(self["last_push"]) |
| 28 | self["push_title"] = self.GitLog(n=1, format="%s", |
| 29 | git_hash=self["last_push"]) |
| 30 | |
| 31 | |
| 32 | class SwitchChromium(Step): |
| 33 | MESSAGE = "Switch to Chromium checkout." |
| 34 | |
| 35 | def RunStep(self): |
| 36 | self["v8_path"] = os.getcwd() |
| 37 | cwd = self._options.chromium |
| 38 | os.chdir(cwd) |
| 39 | self.InitialEnvironmentChecks(cwd) |
| 40 | # Check for a clean workdir. |
| 41 | if not self.GitIsWorkdirClean(cwd=cwd): # pragma: no cover |
| 42 | self.Die("Workspace is not clean. Please commit or undo your changes.") |
| 43 | # Assert that the DEPS file is there. |
| 44 | if not os.path.exists(os.path.join(cwd, "DEPS")): # pragma: no cover |
| 45 | self.Die("DEPS file not present.") |
| 46 | |
| 47 | |
| 48 | class UpdateChromiumCheckout(Step): |
| 49 | MESSAGE = "Update the checkout and create a new branch." |
| 50 | |
| 51 | def RunStep(self): |
| 52 | self.GitCheckout("master", cwd=self._options.chromium) |
| 53 | self.Command("gclient", "sync --nohooks", cwd=self._options.chromium) |
| 54 | self.GitPull(cwd=self._options.chromium) |
| 55 | |
| 56 | # Update v8 remotes. |
| 57 | self.GitFetchOrigin() |
| 58 | |
| 59 | self.GitCreateBranch("v8-roll-%s" % self["trunk_revision"], |
| 60 | cwd=self._options.chromium) |
| 61 | |
| 62 | |
| 63 | class UploadCL(Step): |
| 64 | MESSAGE = "Create and upload CL." |
| 65 | |
| 66 | def RunStep(self): |
| 67 | # Patch DEPS file. |
| 68 | if self.Command( |
| 69 | "roll-dep", "v8 %s" % self["trunk_revision"], |
| 70 | cwd=self._options.chromium) is None: |
| 71 | self.Die("Failed to create deps for %s" % self["trunk_revision"]) |
| 72 | |
| 73 | commit_title = "Update V8 to %s." % self["push_title"].lower() |
| 74 | sheriff = "" |
| 75 | if self["sheriff"]: |
| 76 | sheriff = ("\n\nPlease reply to the V8 sheriff %s in case of problems." |
| 77 | % self["sheriff"]) |
| 78 | self.GitCommit("%s%s\n\nTBR=%s" % |
| 79 | (commit_title, sheriff, self._options.reviewer), |
| 80 | author=self._options.author, |
| 81 | cwd=self._options.chromium) |
| 82 | if not self._options.dry_run: |
| 83 | self.GitUpload(author=self._options.author, |
| 84 | force=True, |
| 85 | cq=self._options.use_commit_queue, |
| 86 | cwd=self._options.chromium) |
| 87 | print "CL uploaded." |
| 88 | else: |
| 89 | self.GitCheckout("master", cwd=self._options.chromium) |
| 90 | self.GitDeleteBranch("v8-roll-%s" % self["trunk_revision"], |
| 91 | cwd=self._options.chromium) |
| 92 | print "Dry run - don't upload." |
| 93 | |
| 94 | |
| 95 | # TODO(machenbach): Make this obsolete. We are only in the chromium chechout |
| 96 | # for the initial .git check. |
| 97 | class SwitchV8(Step): |
| 98 | MESSAGE = "Returning to V8 checkout." |
| 99 | |
| 100 | def RunStep(self): |
| 101 | os.chdir(self["v8_path"]) |
| 102 | |
| 103 | |
| 104 | class CleanUp(Step): |
| 105 | MESSAGE = "Done!" |
| 106 | |
| 107 | def RunStep(self): |
| 108 | print("Congratulations, you have successfully rolled the push r%s it into " |
| 109 | "Chromium. Please don't forget to update the v8rel spreadsheet." |
| 110 | % self["trunk_revision"]) |
| 111 | |
| 112 | # Clean up all temporary files. |
| 113 | Command("rm", "-f %s*" % self._config["PERSISTFILE_BASENAME"]) |
| 114 | |
| 115 | |
| 116 | class ChromiumRoll(ScriptsBase): |
| 117 | def _PrepareOptions(self, parser): |
| 118 | parser.add_argument("-c", "--chromium", required=True, |
| 119 | help=("The path to your Chromium src/ " |
| 120 | "directory to automate the V8 roll.")) |
| 121 | parser.add_argument("-l", "--last-push", |
| 122 | help="The git commit ID of the last push to trunk.") |
| 123 | parser.add_argument("--use-commit-queue", |
| 124 | help="Check the CQ bit on upload.", |
| 125 | default=False, action="store_true") |
| 126 | |
| 127 | def _ProcessOptions(self, options): # pragma: no cover |
| 128 | if not options.author or not options.reviewer: |
| 129 | print "A reviewer (-r) and an author (-a) are required." |
| 130 | return False |
| 131 | |
| 132 | options.requires_editor = False |
| 133 | options.force = True |
| 134 | options.manual = False |
| 135 | return True |
| 136 | |
| 137 | def _Config(self): |
| 138 | return { |
| 139 | "PERSISTFILE_BASENAME": "/tmp/v8-chromium-roll-tempfile", |
| 140 | } |
| 141 | |
| 142 | def _Steps(self): |
| 143 | return [ |
| 144 | Preparation, |
| 145 | DetectLastPush, |
| 146 | DetermineV8Sheriff, |
| 147 | SwitchChromium, |
| 148 | UpdateChromiumCheckout, |
| 149 | UploadCL, |
| 150 | SwitchV8, |
| 151 | CleanUp, |
| 152 | ] |
| 153 | |
| 154 | |
| 155 | if __name__ == "__main__": # pragma: no cover |
| 156 | sys.exit(ChromiumRoll().Run()) |