f27eca66b3
Ensure that fetching commits works with huge change logs. The verbosity option will help debugging when dcommit hangs. BUG= R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/70143003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17645 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
585 lines
20 KiB
Python
Executable File
585 lines
20 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2013 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import datetime
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import optparse
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import sys
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import tempfile
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from common_includes import *
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TRUNKBRANCH = "TRUNKBRANCH"
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CHROMIUM = "CHROMIUM"
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DEPS_FILE = "DEPS_FILE"
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CONFIG = {
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BRANCHNAME: "prepare-push",
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TRUNKBRANCH: "trunk-push",
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PERSISTFILE_BASENAME: "/tmp/v8-push-to-trunk-tempfile",
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TEMP_BRANCH: "prepare-push-temporary-branch-created-by-script",
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DOT_GIT_LOCATION: ".git",
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VERSION_FILE: "src/version.cc",
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CHANGELOG_FILE: "ChangeLog",
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CHANGELOG_ENTRY_FILE: "/tmp/v8-push-to-trunk-tempfile-changelog-entry",
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PATCH_FILE: "/tmp/v8-push-to-trunk-tempfile-patch-file",
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COMMITMSG_FILE: "/tmp/v8-push-to-trunk-tempfile-commitmsg",
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DEPS_FILE: "DEPS",
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}
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class Preparation(Step):
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def __init__(self):
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Step.__init__(self, "Preparation.")
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def RunStep(self):
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self.InitialEnvironmentChecks()
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self.CommonPrepare()
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self.DeleteBranch(self.Config(TRUNKBRANCH))
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class FreshBranch(Step):
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def __init__(self):
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Step.__init__(self, "Create a fresh branch.")
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def RunStep(self):
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args = "checkout -b %s svn/bleeding_edge" % self.Config(BRANCHNAME)
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if self.Git(args) is None:
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self.Die("Creating branch %s failed." % self.Config(BRANCHNAME))
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class DetectLastPush(Step):
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def __init__(self):
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Step.__init__(self, "Detect commit ID of last push to trunk.")
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def RunStep(self):
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last_push = (self._options.l or
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self.Git("log -1 --format=%H ChangeLog").strip())
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while True:
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# Print assumed commit, circumventing git's pager.
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print self.Git("log -1 %s" % last_push)
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if self.Confirm("Is the commit printed above the last push to trunk?"):
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break
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args = "log -1 --format=%H %s^ ChangeLog" % last_push
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last_push = self.Git(args).strip()
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self.Persist("last_push", last_push)
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self._state["last_push"] = last_push
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class PrepareChangeLog(Step):
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def __init__(self):
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Step.__init__(self, "Prepare raw ChangeLog entry.")
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def RunStep(self):
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self.RestoreIfUnset("last_push")
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# These version numbers are used again later for the trunk commit.
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self.ReadAndPersistVersion()
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date = datetime.date.today().strftime("%Y-%m-%d")
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self.Persist("date", date)
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output = "%s: Version %s.%s.%s\n\n" % (date,
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self._state["major"],
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self._state["minor"],
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self._state["build"])
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TextToFile(output, self.Config(CHANGELOG_ENTRY_FILE))
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args = "log %s..HEAD --format=%%H" % self._state["last_push"]
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commits = self.Git(args).strip()
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for commit in commits.splitlines():
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# Get the commit's title line.
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args = "log -1 %s --format=\"%%w(80,8,8)%%s\"" % commit
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title = "%s\n" % self.Git(args).rstrip()
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AppendToFile(title, self.Config(CHANGELOG_ENTRY_FILE))
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# Grep for "BUG=xxxx" lines in the commit message and convert them to
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# "(issue xxxx)".
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out = self.Git("log -1 %s --format=\"%%B\"" % commit).splitlines()
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out = filter(lambda x: re.search(r"^BUG=", x), out)
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out = filter(lambda x: not re.search(r"BUG=$", x), out)
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out = filter(lambda x: not re.search(r"BUG=none$", x), out)
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# TODO(machenbach): Handle multiple entries (e.g. BUG=123, 234).
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def FormatIssue(text):
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text = re.sub(r"BUG=v8:(.*)$", r"(issue \1)", text)
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text = re.sub(r"BUG=chromium:(.*)$", r"(Chromium issue \1)", text)
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text = re.sub(r"BUG=(.*)$", r"(Chromium issue \1)", text)
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return " %s\n" % text
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for line in map(FormatIssue, out):
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AppendToFile(line, self.Config(CHANGELOG_ENTRY_FILE))
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# Append the commit's author for reference.
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args = "log -1 %s --format=\"%%w(80,8,8)(%%an)\"" % commit
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author = self.Git(args).rstrip()
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AppendToFile("%s\n\n" % author, self.Config(CHANGELOG_ENTRY_FILE))
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msg = " Performance and stability improvements on all platforms.\n"
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AppendToFile(msg, self.Config(CHANGELOG_ENTRY_FILE))
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class EditChangeLog(Step):
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def __init__(self):
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Step.__init__(self, "Edit ChangeLog entry.")
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def RunStep(self):
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print ("Please press <Return> to have your EDITOR open the ChangeLog "
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"entry, then edit its contents to your liking. When you're done, "
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"save the file and exit your EDITOR. ")
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self.ReadLine()
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self.Editor(self.Config(CHANGELOG_ENTRY_FILE))
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handle, new_changelog = tempfile.mkstemp()
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os.close(handle)
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# (1) Eliminate tabs, (2) fix too little and (3) too much indentation, and
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# (4) eliminate trailing whitespace.
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changelog_entry = FileToText(self.Config(CHANGELOG_ENTRY_FILE)).rstrip()
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changelog_entry = MSub(r"\t", r" ", changelog_entry)
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changelog_entry = MSub(r"^ {1,7}([^ ])", r" \1", changelog_entry)
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changelog_entry = MSub(r"^ {9,80}([^ ])", r" \1", changelog_entry)
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changelog_entry = MSub(r" +$", r"", changelog_entry)
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if changelog_entry == "":
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self.Die("Empty ChangeLog entry.")
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with open(new_changelog, "w") as f:
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f.write(changelog_entry)
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f.write("\n\n\n") # Explicitly insert two empty lines.
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AppendToFile(FileToText(self.Config(CHANGELOG_FILE)), new_changelog)
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TextToFile(FileToText(new_changelog), self.Config(CHANGELOG_FILE))
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os.remove(new_changelog)
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class IncrementVersion(Step):
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def __init__(self):
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Step.__init__(self, "Increment version number.")
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def RunStep(self):
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self.RestoreIfUnset("build")
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new_build = str(int(self._state["build"]) + 1)
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if self.Confirm(("Automatically increment BUILD_NUMBER? (Saying 'n' will "
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"fire up your EDITOR on %s so you can make arbitrary "
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"changes. When you're done, save the file and exit your "
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"EDITOR.)" % self.Config(VERSION_FILE))):
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text = FileToText(self.Config(VERSION_FILE))
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text = MSub(r"(?<=#define BUILD_NUMBER)(?P<space>\s+)\d*$",
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r"\g<space>%s" % new_build,
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text)
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TextToFile(text, self.Config(VERSION_FILE))
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else:
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self.Editor(self.Config(VERSION_FILE))
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self.ReadAndPersistVersion("new_")
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class CommitLocal(Step):
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def __init__(self):
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Step.__init__(self, "Commit to local branch.")
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def RunStep(self):
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self.RestoreVersionIfUnset("new_")
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prep_commit_msg = ("Prepare push to trunk. "
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"Now working on version %s.%s.%s." % (self._state["new_major"],
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self._state["new_minor"],
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self._state["new_build"]))
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self.Persist("prep_commit_msg", prep_commit_msg)
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if self.Git("commit -a -m \"%s\"" % prep_commit_msg) is None:
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self.Die("'git commit -a' failed.")
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class CommitRepository(Step):
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def __init__(self):
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Step.__init__(self, "Commit to the repository.")
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def RunStep(self):
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self.WaitForLGTM()
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# Re-read the ChangeLog entry (to pick up possible changes).
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# FIXME(machenbach): This was hanging once with a broken pipe.
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TextToFile(GetLastChangeLogEntries(self.Config(CHANGELOG_FILE)),
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self.Config(CHANGELOG_ENTRY_FILE))
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if self.Git("cl dcommit -v", "PRESUBMIT_TREE_CHECK=\"skip\"") is None:
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self.Die("'git cl dcommit' failed, please try again.")
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class StragglerCommits(Step):
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def __init__(self):
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Step.__init__(self, "Fetch straggler commits that sneaked in since this "
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"script was started.")
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def RunStep(self):
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if self.Git("svn fetch") is None:
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self.Die("'git svn fetch' failed.")
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self.Git("checkout svn/bleeding_edge")
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self.RestoreIfUnset("prep_commit_msg")
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args = "log -1 --format=%%H --grep=\"%s\"" % self._state["prep_commit_msg"]
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prepare_commit_hash = self.Git(args).strip()
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self.Persist("prepare_commit_hash", prepare_commit_hash)
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class SquashCommits(Step):
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def __init__(self):
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Step.__init__(self, "Squash commits into one.")
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def RunStep(self):
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# Instead of relying on "git rebase -i", we'll just create a diff, because
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# that's easier to automate.
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self.RestoreIfUnset("prepare_commit_hash")
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args = "diff svn/trunk %s" % self._state["prepare_commit_hash"]
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TextToFile(self.Git(args), self.Config(PATCH_FILE))
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# Convert the ChangeLog entry to commit message format:
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# - remove date
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# - remove indentation
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# - merge paragraphs into single long lines, keeping empty lines between
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# them.
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self.RestoreIfUnset("date")
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changelog_entry = FileToText(self.Config(CHANGELOG_ENTRY_FILE))
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# TODO(machenbach): This could create a problem if the changelog contained
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# any quotation marks.
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text = Command("echo \"%s\" \
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| sed -e \"s/^%s: //\" \
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| sed -e 's/^ *//' \
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| awk '{ \
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if (need_space == 1) {\
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printf(\" \");\
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};\
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printf(\"%%s\", $0);\
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if ($0 ~ /^$/) {\
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printf(\"\\n\\n\");\
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need_space = 0;\
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} else {\
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need_space = 1;\
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}\
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}'" % (changelog_entry, self._state["date"]))
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if not text:
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self.Die("Commit message editing failed.")
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TextToFile(text, self.Config(COMMITMSG_FILE))
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os.remove(self.Config(CHANGELOG_ENTRY_FILE))
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class NewBranch(Step):
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def __init__(self):
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Step.__init__(self, "Create a new branch from trunk.")
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def RunStep(self):
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if self.Git("checkout -b %s svn/trunk" % self.Config(TRUNKBRANCH)) is None:
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self.Die("Checking out a new branch '%s' failed." %
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self.Config(TRUNKBRANCH))
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class ApplyChanges(Step):
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def __init__(self):
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Step.__init__(self, "Apply squashed changes.")
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def RunStep(self):
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self.ApplyPatch(self.Config(PATCH_FILE))
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Command("rm", "-f %s*" % self.Config(PATCH_FILE))
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class SetVersion(Step):
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def __init__(self):
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Step.__init__(self, "Set correct version for trunk.")
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def RunStep(self):
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self.RestoreVersionIfUnset()
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output = ""
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for line in FileToText(self.Config(VERSION_FILE)).splitlines():
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if line.startswith("#define MAJOR_VERSION"):
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line = re.sub("\d+$", self._state["major"], line)
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elif line.startswith("#define MINOR_VERSION"):
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line = re.sub("\d+$", self._state["minor"], line)
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elif line.startswith("#define BUILD_NUMBER"):
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line = re.sub("\d+$", self._state["build"], line)
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elif line.startswith("#define PATCH_LEVEL"):
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line = re.sub("\d+$", "0", line)
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elif line.startswith("#define IS_CANDIDATE_VERSION"):
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line = re.sub("\d+$", "0", line)
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output += "%s\n" % line
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TextToFile(output, self.Config(VERSION_FILE))
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class CommitTrunk(Step):
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def __init__(self):
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Step.__init__(self, "Commit to local trunk branch.")
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def RunStep(self):
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self.Git("add \"%s\"" % self.Config(VERSION_FILE))
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if self.Git("commit -F \"%s\"" % self.Config(COMMITMSG_FILE)) is None:
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self.Die("'git commit' failed.")
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Command("rm", "-f %s*" % self.Config(COMMITMSG_FILE))
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class SanityCheck(Step):
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def __init__(self):
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Step.__init__(self, "Sanity check.")
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def RunStep(self):
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if not self.Confirm("Please check if your local checkout is sane: Inspect "
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"%s, compile, run tests. Do you want to commit this new trunk "
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"revision to the repository?" % self.Config(VERSION_FILE)):
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self.Die("Execution canceled.")
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class CommitSVN(Step):
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def __init__(self):
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Step.__init__(self, "Commit to SVN.")
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def RunStep(self):
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result = self.Git("svn dcommit 2>&1")
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if not result:
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self.Die("'git svn dcommit' failed.")
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result = filter(lambda x: re.search(r"^Committed r[0-9]+", x),
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result.splitlines())
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if len(result) > 0:
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trunk_revision = re.sub(r"^Committed r([0-9]+)", r"\1", result[0])
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# Sometimes grepping for the revision fails. No idea why. If you figure
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# out why it is flaky, please do fix it properly.
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if not trunk_revision:
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print("Sorry, grepping for the SVN revision failed. Please look for it "
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"in the last command's output above and provide it manually (just "
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"the number, without the leading \"r\").")
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while not trunk_revision:
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print "> ",
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trunk_revision = self.ReadLine()
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self.Persist("trunk_revision", trunk_revision)
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class TagRevision(Step):
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def __init__(self):
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Step.__init__(self, "Tag the new revision.")
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def RunStep(self):
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self.RestoreVersionIfUnset()
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ver = "%s.%s.%s" % (self._state["major"],
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self._state["minor"],
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self._state["build"])
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if self.Git("svn tag %s -m \"Tagging version %s\"" % (ver, ver)) is None:
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self.Die("'git svn tag' failed.")
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class CheckChromium(Step):
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def __init__(self):
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Step.__init__(self, "Ask for chromium checkout.")
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def Run(self):
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chrome_path = self._options.c
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if not chrome_path:
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print ("Do you have a \"NewGit\" Chromium checkout and want "
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"this script to automate creation of the roll CL? If yes, enter the "
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"path to (and including) the \"src\" directory here, otherwise just "
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"press <Return>: "),
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chrome_path = self.ReadLine()
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self.Persist("chrome_path", chrome_path)
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class SwitchChromium(Step):
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def __init__(self):
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Step.__init__(self, "Switch to Chromium checkout.", requires="chrome_path")
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def RunStep(self):
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v8_path = os.getcwd()
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self.Persist("v8_path", v8_path)
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os.chdir(self._state["chrome_path"])
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self.InitialEnvironmentChecks()
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# Check for a clean workdir.
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if self.Git("status -s -uno").strip() != "":
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self.Die("Workspace is not clean. Please commit or undo your changes.")
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# Assert that the DEPS file is there.
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if not os.path.exists(self.Config(DEPS_FILE)):
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self.Die("DEPS file not present.")
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class UpdateChromiumCheckout(Step):
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def __init__(self):
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Step.__init__(self, "Update the checkout and create a new branch.",
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requires="chrome_path")
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def RunStep(self):
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os.chdir(self._state["chrome_path"])
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if self.Git("checkout master") is None:
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self.Die("'git checkout master' failed.")
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if self.Git("pull") is None:
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self.Die("'git pull' failed, please try again.")
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self.RestoreIfUnset("trunk_revision")
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args = "checkout -b v8-roll-%s" % self._state["trunk_revision"]
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if self.Git(args) is None:
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self.Die("Failed to checkout a new branch.")
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class UploadCL(Step):
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def __init__(self):
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Step.__init__(self, "Create and upload CL.", requires="chrome_path")
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def RunStep(self):
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os.chdir(self._state["chrome_path"])
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# Patch DEPS file.
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self.RestoreIfUnset("trunk_revision")
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deps = FileToText(self.Config(DEPS_FILE))
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deps = re.sub("(?<=\"v8_revision\": \")([0-9]+)(?=\")",
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self._state["trunk_revision"],
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deps)
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TextToFile(deps, self.Config(DEPS_FILE))
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self.RestoreVersionIfUnset()
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ver = "%s.%s.%s" % (self._state["major"],
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self._state["minor"],
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self._state["build"])
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print "Please enter the email address of a reviewer for the roll CL: ",
|
|
rev = self.ReadLine()
|
|
args = "commit -am \"Update V8 to version %s.\n\nTBR=%s\"" % (ver, rev)
|
|
if self.Git(args) is None:
|
|
self.Die("'git commit' failed.")
|
|
if self.Git("cl upload --send-mail", pipe=False) is None:
|
|
self.Die("'git cl upload' failed, please try again.")
|
|
print "CL uploaded."
|
|
|
|
|
|
class SwitchV8(Step):
|
|
def __init__(self):
|
|
Step.__init__(self, "Returning to V8 checkout.", requires="chrome_path")
|
|
|
|
def RunStep(self):
|
|
self.RestoreIfUnset("v8_path")
|
|
os.chdir(self._state["v8_path"])
|
|
|
|
|
|
class CleanUp(Step):
|
|
def __init__(self):
|
|
Step.__init__(self, "Done!")
|
|
|
|
def RunStep(self):
|
|
self.RestoreVersionIfUnset()
|
|
ver = "%s.%s.%s" % (self._state["major"],
|
|
self._state["minor"],
|
|
self._state["build"])
|
|
self.RestoreIfUnset("trunk_revision")
|
|
self.RestoreIfUnset("chrome_path")
|
|
|
|
if self._state["chrome_path"]:
|
|
print("Congratulations, you have successfully created the trunk "
|
|
"revision %s and rolled it into Chromium. Please don't forget to "
|
|
"update the v8rel spreadsheet:" % ver)
|
|
else:
|
|
print("Congratulations, you have successfully created the trunk "
|
|
"revision %s. Please don't forget to roll this new version into "
|
|
"Chromium, and to update the v8rel spreadsheet:" % ver)
|
|
print "%s\ttrunk\t%s" % (ver, self._state["trunk_revision"])
|
|
|
|
self.CommonCleanup()
|
|
if self.Config(TRUNKBRANCH) != self._state["current_branch"]:
|
|
self.Git("branch -D %s" % self.Config(TRUNKBRANCH))
|
|
|
|
|
|
def RunScript(config,
|
|
options,
|
|
side_effect_handler=DEFAULT_SIDE_EFFECT_HANDLER):
|
|
step_classes = [
|
|
Preparation,
|
|
FreshBranch,
|
|
DetectLastPush,
|
|
PrepareChangeLog,
|
|
EditChangeLog,
|
|
IncrementVersion,
|
|
CommitLocal,
|
|
UploadStep,
|
|
CommitRepository,
|
|
StragglerCommits,
|
|
SquashCommits,
|
|
NewBranch,
|
|
ApplyChanges,
|
|
SetVersion,
|
|
CommitTrunk,
|
|
SanityCheck,
|
|
CommitSVN,
|
|
TagRevision,
|
|
CheckChromium,
|
|
SwitchChromium,
|
|
UpdateChromiumCheckout,
|
|
UploadCL,
|
|
SwitchV8,
|
|
CleanUp,
|
|
]
|
|
|
|
state = {}
|
|
steps = []
|
|
number = 0
|
|
|
|
for step_class in step_classes:
|
|
# TODO(machenbach): Factory methods.
|
|
step = step_class()
|
|
step.SetNumber(number)
|
|
step.SetConfig(config)
|
|
step.SetOptions(options)
|
|
step.SetState(state)
|
|
step.SetSideEffectHandler(side_effect_handler)
|
|
steps.append(step)
|
|
number += 1
|
|
|
|
for step in steps[options.s:]:
|
|
step.Run()
|
|
|
|
|
|
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")
|
|
result.add_option("-l", "--last-push", dest="l",
|
|
help=("Manually specify the git commit ID "
|
|
"of the last push to trunk."))
|
|
result.add_option("-c", "--chromium", dest="c",
|
|
help=("Specify the path to your Chromium src/ "
|
|
"directory to automate the V8 roll."))
|
|
return result
|
|
|
|
|
|
def ProcessOptions(options):
|
|
if options.s < 0:
|
|
print "Bad step number %d" % options.s
|
|
return False
|
|
return True
|
|
|
|
|
|
def Main():
|
|
parser = BuildOptions()
|
|
(options, args) = parser.parse_args()
|
|
if not ProcessOptions(options):
|
|
parser.print_help()
|
|
return 1
|
|
RunScript(CONFIG, options)
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(Main())
|