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#!/usr/bin/env python
# Copyright 2013 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import optparse
import re
import sys
from common_includes import *
CONFIG = {
PERSISTFILE_BASENAME: "/tmp/v8-auto-roll-tempfile",
DOT_GIT_LOCATION: ".git",
}
class Preparation(Step):
MESSAGE = "Preparation."
def RunStep(self):
self.InitialEnvironmentChecks()
self.CommonPrepare()
class FetchLatestRevision(Step):
MESSAGE = "Fetching latest V8 revision."
def RunStep(self):
log = self.Git("svn log -1 --oneline").strip()
match = re.match(r"^r(\d+) ", log)
if not match:
self.Die("Could not extract current svn revision from log.")
self.Persist("latest", match.group(1))
class FetchLKGR(Step):
MESSAGE = "Fetching V8 LKGR."
def RunStep(self):
lkgr_url = "https://v8-status.appspot.com/lkgr"
# Retry several times since app engine might have issues.
self.Persist("lkgr", self.ReadURL(lkgr_url, wait_plan=[5, 20, 300, 300]))
class PushToTrunk(Step):
MESSAGE = "Pushing to trunk if possible."
def RunStep(self):
self.RestoreIfUnset("latest")
self.RestoreIfUnset("lkgr")
latest = int(self._state["latest"])
lkgr = int(self._state["lkgr"])
if latest == lkgr:
print "ToT (r%d) is clean. Pushing to trunk." % latest
# TODO(machenbach): Call push to trunk script.
else:
print("ToT (r%d) is ahead of the LKGR (r%d). Skipping push to trunk."
% (latest, lkgr))
def RunAutoRoll(config,
options,
side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
step_classes = [
Preparation,
FetchLatestRevision,
FetchLKGR,
PushToTrunk,
]
RunScript(step_classes, config, options, side_effect_handler)
def BuildOptions():
result = optparse.OptionParser()
result.add_option("-s", "--step", dest="s",
help="Specify the step where to start work. Default: 0.",
default=0, type="int")
return result
def Main():
parser = BuildOptions()
(options, args) = parser.parse_args()
RunAutoRoll(CONFIG, options)
if __name__ == "__main__":
sys.exit(Main())
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