| #!/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 json |
| import os |
| import sys |
| import urllib |
| |
| from common_includes import * |
| import chromium_roll |
| |
| CONFIG = { |
| PERSISTFILE_BASENAME: "/tmp/v8-auto-roll-tempfile", |
| } |
| |
| CR_DEPS_URL = 'http://src.chromium.org/svn/trunk/src/DEPS' |
| |
| class CheckActiveRoll(Step): |
| MESSAGE = "Check active roll." |
| |
| @staticmethod |
| def ContainsChromiumRoll(changes): |
| for change in changes: |
| if change["subject"].startswith("Update V8 to"): |
| return True |
| return False |
| |
| def RunStep(self): |
| params = { |
| "closed": 3, |
| "owner": self._options.author, |
| "limit": 30, |
| "format": "json", |
| } |
| params = urllib.urlencode(params) |
| search_url = "https://codereview.chromium.org/search" |
| result = self.ReadURL(search_url, params, wait_plan=[5, 20]) |
| if self.ContainsChromiumRoll(json.loads(result)["results"]): |
| print "Stop due to existing Chromium roll." |
| return True |
| |
| |
| class DetectLastPush(Step): |
| MESSAGE = "Detect commit ID of the last push to trunk." |
| |
| def RunStep(self): |
| push_hash = self.FindLastTrunkPush(include_patches=True) |
| self["last_push"] = self.GitSVNFindSVNRev(push_hash) |
| |
| |
| class DetectLastRoll(Step): |
| MESSAGE = "Detect commit ID of the last Chromium roll." |
| |
| def RunStep(self): |
| # Interpret the DEPS file to retrieve the v8 revision. |
| Var = lambda var: '%s' |
| exec(self.ReadURL(CR_DEPS_URL)) |
| last_roll = vars['v8_revision'] |
| if last_roll >= self["last_push"]: |
| print("There is no newer v8 revision than the one in Chromium (%s)." |
| % last_roll) |
| return True |
| |
| |
| class RollChromium(Step): |
| MESSAGE = "Roll V8 into Chromium." |
| |
| def RunStep(self): |
| if self._options.roll: |
| args = [ |
| "--author", self._options.author, |
| "--reviewer", self._options.reviewer, |
| "--chromium", self._options.chromium, |
| "--force", |
| ] |
| if self._options.sheriff: |
| args.extend([ |
| "--sheriff", "--googlers-mapping", self._options.googlers_mapping]) |
| R = chromium_roll.ChromiumRoll |
| self._side_effect_handler.Call( |
| R(chromium_roll.CONFIG, self._side_effect_handler).Run, |
| args) |
| |
| |
| class AutoRoll(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("--roll", |
| help="Make Chromium roll. Dry run if unspecified.", |
| default=False, action="store_true") |
| |
| def _ProcessOptions(self, options): # pragma: no cover |
| if not options.reviewer: |
| print "A reviewer (-r) is required." |
| return False |
| if not options.author: |
| print "An author (-a) is required." |
| return False |
| return True |
| |
| def _Steps(self): |
| return [ |
| CheckActiveRoll, |
| DetectLastPush, |
| DetectLastRoll, |
| RollChromium, |
| ] |
| |
| |
| if __name__ == "__main__": # pragma: no cover |
| sys.exit(AutoRoll(CONFIG).Run()) |