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135 lines
4.2 KiB
135 lines
4.2 KiB
#!/usr/bin/env python
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# Copyright 2014 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import argparse
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import json
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import os
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import sys
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import urllib
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from common_includes import *
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import chromium_roll
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class CheckActiveRoll(Step):
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MESSAGE = "Check active roll."
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@staticmethod
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def ContainsChromiumRoll(changes):
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for change in changes:
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if change["subject"].startswith("Update V8 to"):
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return True
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return False
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def RunStep(self):
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params = {
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"closed": 3,
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"owner": self._options.author,
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"limit": 30,
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"format": "json",
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}
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params = urllib.urlencode(params)
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search_url = "https://codereview.chromium.org/search"
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result = self.ReadURL(search_url, params, wait_plan=[5, 20])
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if self.ContainsChromiumRoll(json.loads(result)["results"]):
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print "Stop due to existing Chromium roll."
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return True
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class DetectLastRoll(Step):
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MESSAGE = "Detect commit ID of the last Chromium roll."
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def RunStep(self):
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# The revision that should be rolled. Check for the latest of the most
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# recent releases based on commit timestamp.
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revisions = self.GetRecentReleases(
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max_age=self._options.max_age * DAY_IN_SECONDS)
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assert revisions, "Didn't find any recent release."
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# Interpret the DEPS file to retrieve the v8 revision.
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# TODO(machenbach): This should be part or the roll-deps api of
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# depot_tools.
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Var = lambda var: '%s'
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exec(FileToText(os.path.join(self._options.chromium, "DEPS")))
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# The revision rolled last.
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self["last_roll"] = vars['v8_revision']
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last_version = self.GetVersionTag(self["last_roll"])
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assert last_version, "The last rolled v8 revision is not tagged."
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# There must be some progress between the last roll and the new candidate
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# revision (i.e. we don't go backwards). The revisions are ordered newest
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# to oldest. It is possible that the newest timestamp has no progress
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# compared to the last roll, i.e. if the newest release is a cherry-pick
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# on a release branch. Then we look further.
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for revision in revisions:
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version = self.GetVersionTag(revision)
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assert version, "Internal error. All recent releases should have a tag"
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if SortingKey(last_version) < SortingKey(version):
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self["roll"] = revision
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break
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else:
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print("There is no newer v8 revision than the one in Chromium (%s)."
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% self["last_roll"])
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return True
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class RollChromium(Step):
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MESSAGE = "Roll V8 into Chromium."
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def RunStep(self):
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if self._options.roll:
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args = [
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"--author", self._options.author,
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"--reviewer", self._options.reviewer,
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"--chromium", self._options.chromium,
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"--last-roll", self["last_roll"],
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"--use-commit-queue",
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self["roll"],
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]
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if self._options.sheriff:
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args.append("--sheriff")
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if self._options.dry_run:
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args.append("--dry-run")
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if self._options.work_dir:
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args.extend(["--work-dir", self._options.work_dir])
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self._side_effect_handler.Call(chromium_roll.ChromiumRoll().Run, args)
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class AutoRoll(ScriptsBase):
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def _PrepareOptions(self, parser):
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parser.add_argument("-c", "--chromium", required=True,
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help=("The path to your Chromium src/ "
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"directory to automate the V8 roll."))
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parser.add_argument("--max-age", default=3, type=int,
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help="Maximum age in days of the latest release.")
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parser.add_argument("--roll", help="Call Chromium roll script.",
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default=False, action="store_true")
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def _ProcessOptions(self, options): # pragma: no cover
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if not options.reviewer:
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print "A reviewer (-r) is required."
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return False
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if not options.author:
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print "An author (-a) is required."
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return False
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return True
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def _Config(self):
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return {
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"PERSISTFILE_BASENAME": "/tmp/v8-auto-roll-tempfile",
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}
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def _Steps(self):
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return [
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CheckActiveRoll,
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DetectLastRoll,
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RollChromium,
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]
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if __name__ == "__main__": # pragma: no cover
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sys.exit(AutoRoll().Run())
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