5acdc942f6
This CL is split off from https://codereview.chromium.org/173983002/ R=ulan@chromium.org Review URL: https://codereview.chromium.org/180873010 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19632 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
601 lines
21 KiB
Python
Executable File
601 lines
21 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 argparse
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import sys
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import tempfile
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import urllib2
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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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PUSH_MESSAGE_SUFFIX = " (based on bleeding_edge revision r%d)"
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PUSH_MESSAGE_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$")
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class PushToTrunkOptions(CommonOptions):
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@staticmethod
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def MakeForcedOptions(author, reviewer, chrome_path):
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"""Convenience wrapper."""
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class Options(object):
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pass
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options = Options()
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options.step = 0
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options.last_push = None
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options.last_bleeding_edge = None
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options.force = True
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options.manual = False
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options.chromium = chrome_path
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options.reviewer = reviewer
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options.author = author
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return PushToTrunkOptions(options)
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def __init__(self, options):
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super(PushToTrunkOptions, self).__init__(options, options.manual)
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self.requires_editor = not options.force
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self.wait_for_lgtm = not options.force
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self.tbr_commit = not options.manual
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self.last_push = options.last_push
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self.reviewer = options.reviewer
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self.chromium = options.chromium
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self.last_bleeding_edge = getattr(options, 'last_bleeding_edge', None)
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self.author = getattr(options, 'author', None)
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class Preparation(Step):
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MESSAGE = "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.PrepareBranch()
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self.DeleteBranch(self.Config(TRUNKBRANCH))
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class FreshBranch(Step):
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MESSAGE = "Create a fresh branch."
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def RunStep(self):
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self.GitCreateBranch(self.Config(BRANCHNAME), "svn/bleeding_edge")
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class DetectLastPush(Step):
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MESSAGE = "Detect commit ID of last push to trunk."
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def RunStep(self):
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last_push = self._options.last_push or self.FindLastTrunkPush()
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while True:
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# Print assumed commit, circumventing git's pager.
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print self.GitLog(n=1, git_hash=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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last_push = self.FindLastTrunkPush(parent_hash=last_push)
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if self._options.last_bleeding_edge:
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# Read the bleeding edge revision of the last push from a command-line
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# option.
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last_push_bleeding_edge = self._options.last_bleeding_edge
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else:
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# Retrieve the bleeding edge revision of the last push from the text in
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# the push commit message.
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last_push_title = self.GitLog(n=1, format="%s", git_hash=last_push)
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last_push_be_svn = PUSH_MESSAGE_RE.match(last_push_title).group(1)
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if not last_push_be_svn:
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self.Die("Could not retrieve bleeding edge revision for trunk push %s"
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% last_push)
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last_push_bleeding_edge = self.GitSVNFindGitHash(last_push_be_svn)
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if not last_push_bleeding_edge:
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self.Die("Could not retrieve bleeding edge git hash for trunk push %s"
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% last_push)
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# TODO(machenbach): last_push_trunk points to the svn revision on trunk.
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# It is not used yet but we'll need it for retrieving the current version.
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self["last_push_trunk"] = last_push
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# TODO(machenbach): This currently points to the prepare push revision that
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# will be deprecated soon. After the deprecation it will point to the last
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# bleeding_edge revision that went into the last push.
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self["last_push_bleeding_edge"] = last_push_bleeding_edge
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class PrepareChangeLog(Step):
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MESSAGE = "Prepare raw ChangeLog entry."
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def Reload(self, body):
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"""Attempts to reload the commit message from rietveld in order to allow
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late changes to the LOG flag. Note: This is brittle to future changes of
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the web page name or structure.
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"""
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match = re.search(r"^Review URL: https://codereview\.chromium\.org/(\d+)$",
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body, flags=re.M)
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if match:
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cl_url = ("https://codereview.chromium.org/%s/description"
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% match.group(1))
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try:
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# Fetch from Rietveld but only retry once with one second delay since
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# there might be many revisions.
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body = self.ReadURL(cl_url, wait_plan=[1])
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except urllib2.URLError:
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pass
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return body
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def RunStep(self):
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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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self["date"] = self.GetDate()
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self["version"] = "%s.%s.%s" % (self["major"],
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self["minor"],
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self["build"])
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output = "%s: Version %s\n\n" % (self["date"],
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self["version"])
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TextToFile(output, self.Config(CHANGELOG_ENTRY_FILE))
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commits = self.GitLog(format="%H",
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git_hash="%s..HEAD" % self["last_push_bleeding_edge"])
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# Cache raw commit messages.
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commit_messages = [
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[
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self.GitLog(n=1, format="%s", git_hash=commit),
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self.Reload(self.GitLog(n=1, format="%B", git_hash=commit)),
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self.GitLog(n=1, format="%an", git_hash=commit),
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] for commit in commits.splitlines()
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]
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# Auto-format commit messages.
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body = MakeChangeLogBody(commit_messages, auto_format=True)
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AppendToFile(body, self.Config(CHANGELOG_ENTRY_FILE))
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msg = (" Performance and stability improvements on all platforms."
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"\n#\n# The change log above is auto-generated. Please review if "
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"all relevant\n# commit messages from the list below are included."
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"\n# All lines starting with # will be stripped.\n#\n")
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AppendToFile(msg, self.Config(CHANGELOG_ENTRY_FILE))
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# Include unformatted commit messages as a reference in a comment.
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comment_body = MakeComment(MakeChangeLogBody(commit_messages))
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AppendToFile(comment_body, self.Config(CHANGELOG_ENTRY_FILE))
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class EditChangeLog(Step):
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MESSAGE = "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(default="")
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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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# Strip comments and reformat with correct indentation.
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changelog_entry = FileToText(self.Config(CHANGELOG_ENTRY_FILE)).rstrip()
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changelog_entry = StripComments(changelog_entry)
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changelog_entry = "\n".join(map(Fill80, changelog_entry.splitlines()))
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changelog_entry = changelog_entry.lstrip()
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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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MESSAGE = "Increment version number."
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def RunStep(self):
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new_build = str(int(self["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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MESSAGE = "Commit to local branch."
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def RunStep(self):
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self["prep_commit_msg"] = ("Prepare push to trunk. "
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"Now working on version %s.%s.%s." % (self["new_major"],
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self["new_minor"],
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self["new_build"]))
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# Include optional TBR only in the git command. The persisted commit
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# message is used for finding the commit again later.
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if self._options.tbr_commit:
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message = "%s\n\nTBR=%s" % (self["prep_commit_msg"],
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self._options.reviewer)
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else:
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message = "%s" % self["prep_commit_msg"]
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self.GitCommit(message)
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class CommitRepository(Step):
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MESSAGE = "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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self.GitPresubmit()
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self.GitDCommit()
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class StragglerCommits(Step):
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MESSAGE = ("Fetch straggler commits that sneaked in since this script was "
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"started.")
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def RunStep(self):
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self.GitSVNFetch()
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self.GitCheckout("svn/bleeding_edge")
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self["prepare_commit_hash"] = self.GitLog(n=1, format="%H",
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grep=self["prep_commit_msg"])
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class SquashCommits(Step):
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MESSAGE = "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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TextToFile(self.GitDiff("svn/trunk", self["prepare_commit_hash"]),
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self.Config(PATCH_FILE))
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# Convert the ChangeLog entry to commit message format.
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text = FileToText(self.Config(CHANGELOG_ENTRY_FILE))
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# Remove date and trailing white space.
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text = re.sub(r"^%s: " % self["date"], "", text.rstrip())
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# Retrieve svn revision for showing the used bleeding edge revision in the
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# commit message.
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self["svn_revision"] = self.GitSVNFindSVNRev(self["prepare_commit_hash"])
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suffix = PUSH_MESSAGE_SUFFIX % int(self["svn_revision"])
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text = MSub(r"^(Version \d+\.\d+\.\d+)$", "\\1%s" % suffix, text)
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# Remove indentation and merge paragraphs into single long lines, keeping
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# empty lines between them.
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def SplitMapJoin(split_text, fun, join_text):
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return lambda text: join_text.join(map(fun, text.split(split_text)))
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strip = lambda line: line.strip()
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text = SplitMapJoin("\n\n", SplitMapJoin("\n", strip, " "), "\n\n")(text)
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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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MESSAGE = "Create a new branch from trunk."
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def RunStep(self):
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self.GitCreateBranch(self.Config(TRUNKBRANCH), "svn/trunk")
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class ApplyChanges(Step):
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MESSAGE = "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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MESSAGE = "Set correct version for trunk."
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def RunStep(self):
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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+$", self["major"], line)
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elif line.startswith("#define MINOR_VERSION"):
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line = re.sub("\d+$", self["minor"], line)
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elif line.startswith("#define BUILD_NUMBER"):
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line = re.sub("\d+$", self["build"], line)
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elif line.startswith("#define PATCH_LEVEL"):
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line = re.sub("\d+$", "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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MESSAGE = "Commit to local trunk branch."
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def RunStep(self):
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self.GitAdd(self.Config(VERSION_FILE))
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self.GitCommit(file_name = self.Config(COMMITMSG_FILE))
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Command("rm", "-f %s*" % self.Config(COMMITMSG_FILE))
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class SanityCheck(Step):
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MESSAGE = "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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MESSAGE = "Commit to SVN."
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def RunStep(self):
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result = self.GitSVNDCommit()
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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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self["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 self["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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self.DieNoManualMode("Can't prompt in forced mode.")
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while not self["trunk_revision"]:
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print "> ",
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self["trunk_revision"] = self.ReadLine()
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class TagRevision(Step):
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MESSAGE = "Tag the new revision."
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def RunStep(self):
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self.GitSVNTag(self["version"])
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class CheckChromium(Step):
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MESSAGE = "Ask for chromium checkout."
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def Run(self):
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self["chrome_path"] = self._options.chromium
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if not self["chrome_path"]:
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self.DieNoManualMode("Please specify the path to a Chromium checkout in "
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"forced mode.")
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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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self["chrome_path"] = self.ReadLine()
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class SwitchChromium(Step):
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MESSAGE = "Switch to Chromium checkout."
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REQUIRES = "chrome_path"
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def RunStep(self):
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self["v8_path"] = os.getcwd()
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os.chdir(self["chrome_path"])
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self.InitialEnvironmentChecks()
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# Check for a clean workdir.
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if not self.GitIsWorkdirClean():
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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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MESSAGE = "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["chrome_path"])
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self.GitCheckout("master")
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self.GitPull()
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self.GitCreateBranch("v8-roll-%s" % self["trunk_revision"])
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class UploadCL(Step):
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MESSAGE = "Create and upload CL."
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REQUIRES = "chrome_path"
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def RunStep(self):
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os.chdir(self["chrome_path"])
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# Patch DEPS file.
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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["trunk_revision"],
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deps)
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TextToFile(deps, self.Config(DEPS_FILE))
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|
|
if self._options.reviewer:
|
|
print "Using account %s for review." % self._options.reviewer
|
|
rev = self._options.reviewer
|
|
else:
|
|
print "Please enter the email address of a reviewer for the roll CL: ",
|
|
self.DieNoManualMode("A reviewer must be specified in forced mode.")
|
|
rev = self.ReadLine()
|
|
suffix = PUSH_MESSAGE_SUFFIX % int(self["svn_revision"])
|
|
self.GitCommit("Update V8 to version %s%s.\n\nTBR=%s"
|
|
% (self["version"], suffix, rev))
|
|
self.GitUpload(author=self._options.author,
|
|
force=self._options.force_upload)
|
|
print "CL uploaded."
|
|
|
|
|
|
class SwitchV8(Step):
|
|
MESSAGE = "Returning to V8 checkout."
|
|
REQUIRES = "chrome_path"
|
|
|
|
def RunStep(self):
|
|
os.chdir(self["v8_path"])
|
|
|
|
|
|
class CleanUp(Step):
|
|
MESSAGE = "Done!"
|
|
|
|
def RunStep(self):
|
|
if self["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:" % self["version"])
|
|
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:"
|
|
% self["version"])
|
|
print "%s\ttrunk\t%s" % (self["version"],
|
|
self["trunk_revision"])
|
|
|
|
self.CommonCleanup()
|
|
if self.Config(TRUNKBRANCH) != self["current_branch"]:
|
|
self.GitDeleteBranch(self.Config(TRUNKBRANCH))
|
|
|
|
|
|
def RunPushToTrunk(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,
|
|
]
|
|
|
|
RunScript(step_classes, config, options, side_effect_handler)
|
|
|
|
|
|
def BuildOptions():
|
|
parser = argparse.ArgumentParser()
|
|
group = parser.add_mutually_exclusive_group()
|
|
group.add_argument("-f", "--force",
|
|
help="Don't prompt the user.",
|
|
default=False, action="store_true")
|
|
group.add_argument("-m", "--manual",
|
|
help="Prompt the user at every important step.",
|
|
default=False, action="store_true")
|
|
parser.add_argument("-a", "--author",
|
|
help="The author email used for rietveld.")
|
|
parser.add_argument("-b", "--last-bleeding-edge",
|
|
help=("The git commit ID of the last bleeding edge "
|
|
"revision that was pushed to trunk. This is used "
|
|
"for the auto-generated ChangeLog entry."))
|
|
parser.add_argument("-c", "--chromium",
|
|
help=("The path to your Chromium src/ directory to "
|
|
"automate the V8 roll."))
|
|
parser.add_argument("-l", "--last-push",
|
|
help="The git commit ID of the last push to trunk.")
|
|
parser.add_argument("-r", "--reviewer",
|
|
help="The account name to be used for reviews.")
|
|
parser.add_argument("-s", "--step",
|
|
help="The step where to start work. Default: 0.",
|
|
default=0, type=int)
|
|
return parser
|
|
|
|
|
|
def ProcessOptions(options):
|
|
if options.step < 0:
|
|
print "Bad step number %d" % options.step
|
|
return False
|
|
if not options.manual and not options.reviewer:
|
|
print "A reviewer (-r) is required in (semi-)automatic mode."
|
|
return False
|
|
if not options.manual and not options.chromium:
|
|
print "A chromium checkout (-c) is required in (semi-)automatic mode."
|
|
return False
|
|
if not options.manual and not options.author:
|
|
print "Specify your chromium.org email with -a in (semi-)automatic mode."
|
|
return False
|
|
return True
|
|
|
|
|
|
def Main():
|
|
parser = BuildOptions()
|
|
options = parser.parse_args()
|
|
if not ProcessOptions(options):
|
|
parser.print_help()
|
|
return 1
|
|
RunPushToTrunk(CONFIG, PushToTrunkOptions(options))
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(Main())
|