a868a74cfc
The patch is applied to ChangeLog with the "--index" option, which already updates the index of the file. For resetting the ChangeLog to the trunk revision, the trunk branch needs to be stated explicitly in the checkout, otherwise it checks out the already patched HEAD. TEST=tools/push-to-trunk/script_test.py R=jkummerow@chromium.org Review URL: https://codereview.chromium.org/199993005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19996 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
564 lines
20 KiB
Python
Executable File
564 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 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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NEW_CHANGELOG_FILE = "NEW_CHANGELOG_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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NEW_CHANGELOG_FILE: "/tmp/v8-push-to-trunk-tempfile-new-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 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: # pragma: no cover
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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: # pragma: no cover
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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: # pragma: no cover
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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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# 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 == "": # pragma: no cover
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self.Die("Empty ChangeLog entry.")
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# Safe new change log for adding it later to the trunk patch.
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TextToFile(changelog_entry, self.Config(NEW_CHANGELOG_FILE))
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old_change_log = FileToText(self.Config(CHANGELOG_FILE))
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new_change_log = "%s\n\n\n%s" % (changelog_entry, old_change_log)
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TextToFile(new_change_log, self.Config(CHANGELOG_FILE))
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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: # pragma: no cover
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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 AddChangeLog(Step):
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MESSAGE = "Add ChangeLog changes to trunk branch."
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def RunStep(self):
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# The change log has been modified by the patch. Reset it to the version
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# on trunk and apply the exact changes determined by this PrepareChangeLog
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# step above.
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self.GitCheckoutFile(self.Config(CHANGELOG_FILE), "svn/trunk")
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changelog_entry = FileToText(self.Config(NEW_CHANGELOG_FILE))
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old_change_log = FileToText(self.Config(CHANGELOG_FILE))
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new_change_log = "%s\n\n\n%s" % (changelog_entry, old_change_log)
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TextToFile(new_change_log, self.Config(CHANGELOG_FILE))
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os.remove(self.Config(NEW_CHANGELOG_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.") # pragma: no cover
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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: # pragma: no cover
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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(): # pragma: no cover
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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)): # pragma: no cover
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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: # pragma: no cover
|
|
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))
|
|
|
|
|
|
class PushToTrunk(ScriptsBase):
|
|
def _PrepareOptions(self, parser):
|
|
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("-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.")
|
|
|
|
def _ProcessOptions(self, options): # pragma: no cover
|
|
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
|
|
|
|
options.tbr_commit = not options.manual
|
|
return True
|
|
|
|
def _Steps(self):
|
|
return [
|
|
Preparation,
|
|
FreshBranch,
|
|
DetectLastPush,
|
|
PrepareChangeLog,
|
|
EditChangeLog,
|
|
IncrementVersion,
|
|
CommitLocal,
|
|
UploadStep,
|
|
CommitRepository,
|
|
StragglerCommits,
|
|
SquashCommits,
|
|
NewBranch,
|
|
ApplyChanges,
|
|
AddChangeLog,
|
|
SetVersion,
|
|
CommitTrunk,
|
|
SanityCheck,
|
|
CommitSVN,
|
|
TagRevision,
|
|
CheckChromium,
|
|
SwitchChromium,
|
|
UpdateChromiumCheckout,
|
|
UploadCL,
|
|
SwitchV8,
|
|
CleanUp,
|
|
]
|
|
|
|
|
|
if __name__ == "__main__": # pragma: no cover
|
|
sys.exit(PushToTrunk(CONFIG).Run())
|