External name changes of release scripts.

tools/push-to-trunk/releases.py

Index: tools/push-to-trunk/releases.py
diff --git a/tools/push-to-trunk/releases.py b/tools/push-to-trunk/releases.py
deleted file mode 100755
index be65debf9a0b6af6c7cfce1c0f3ecae60c5f6b83..0000000000000000000000000000000000000000
--- a/tools/push-to-trunk/releases.py
+++ /dev/null
@@ -1,507 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2014 the V8 project authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This script retrieves the history of all V8 branches and
-# their corresponding Chromium revisions.
-
-# Requires a chromium checkout with branch heads:
-# gclient sync --with_branch_heads
-# gclient fetch
-
-import argparse
-import csv
-import itertools
-import json
-import os
-import re
-import sys
-
-from common_includes import *
-
-CONFIG = {
-  "BRANCHNAME": "retrieve-v8-releases",
-  "PERSISTFILE_BASENAME": "/tmp/v8-releases-tempfile",
-}
-
-# Expression for retrieving the bleeding edge revision from a commit message.
-PUSH_MSG_SVN_RE = re.compile(r".* \(based on bleeding_edge revision r(\d+)\)$")
-PUSH_MSG_GIT_RE = re.compile(r".* \(based on ([a-fA-F0-9]+)\)$")
-
-# Expression for retrieving the merged patches from a merge commit message
-# (old and new format).
-MERGE_MESSAGE_RE = re.compile(r"^.*[M|m]erged (.+)(\)| into).*$", re.M)
-
-CHERRY_PICK_TITLE_GIT_RE = re.compile(r"^.* \(cherry\-pick\)\.?$")
-
-# New git message for cherry-picked CLs. One message per line.
-MERGE_MESSAGE_GIT_RE = re.compile(r"^Merged ([a-fA-F0-9]+)\.?$")
-
-# Expression for retrieving reverted patches from a commit message (old and
-# new format).
-ROLLBACK_MESSAGE_RE = re.compile(r"^.*[R|r]ollback of (.+)(\)| in).*$", re.M)
-
-# New git message for reverted CLs. One message per line.
-ROLLBACK_MESSAGE_GIT_RE = re.compile(r"^Rollback of ([a-fA-F0-9]+)\.?$")
-
-# Expression for retrieving the code review link.
-REVIEW_LINK_RE = re.compile(r"^Review URL: (.+)$", re.M)
-
-# Expression with three versions (historical) for extracting the v8 revision
-# from the chromium DEPS file.
-DEPS_RE = re.compile(r"""^\s*(?:["']v8_revision["']: ["']"""
-                     """|\(Var\("googlecode_url"\) % "v8"\) \+ "\/trunk@"""
-                     """|"http\:\/\/v8\.googlecode\.com\/svn\/trunk@)"""
-                     """([^"']+)["'].*$""", re.M)
-
-# Expression to pick tag and revision for bleeding edge tags. To be used with
-# output of 'svn log'.
-BLEEDING_EDGE_TAGS_RE = re.compile(
-    r"A \/tags\/([^\s]+) \(from \/branches\/bleeding_edge\:(\d+)\)")
-
-
-def SortBranches(branches):
-  """Sort branches with version number names."""
-  return sorted(branches, key=SortingKey, reverse=True)
-
-
-def FilterDuplicatesAndReverse(cr_releases):
-  """Returns the chromium releases in reverse order filtered by v8 revision
-  duplicates.
-
-  cr_releases is a list of [cr_rev, v8_rev] reverse-sorted by cr_rev.
-  """
-  last = ""
-  result = []
-  for release in reversed(cr_releases):
-    if last == release[1]:
-      continue
-    last = release[1]
-    result.append(release)
-  return result
-
-
-def BuildRevisionRanges(cr_releases):
-  """Returns a mapping of v8 revision -> chromium ranges.
-  The ranges are comma-separated, each range has the form R1:R2. The newest
-  entry is the only one of the form R1, as there is no end range.
-
-  cr_releases is a list of [cr_rev, v8_rev] reverse-sorted by cr_rev.
-  cr_rev either refers to a chromium svn revision or a chromium branch number.
-  """
-  range_lists = {}
-  cr_releases = FilterDuplicatesAndReverse(cr_releases)
-
-  # Visit pairs of cr releases from oldest to newest.
-  for cr_from, cr_to in itertools.izip(
-      cr_releases, itertools.islice(cr_releases, 1, None)):
-
-    # Assume the chromium revisions are all different.
-    assert cr_from[0] != cr_to[0]
-
-    # TODO(machenbach): Subtraction is not git friendly.
-    ran = "%s:%d" % (cr_from[0], int(cr_to[0]) - 1)
-
-    # Collect the ranges in lists per revision.
-    range_lists.setdefault(cr_from[1], []).append(ran)
-
-  # Add the newest revision.
-  if cr_releases:
-    range_lists.setdefault(cr_releases[-1][1], []).append(cr_releases[-1][0])
-
-  # Stringify and comma-separate the range lists.
-  return dict((rev, ", ".join(ran)) for rev, ran in range_lists.iteritems())
-
-
-def MatchSafe(match):
-  if match:
-    return match.group(1)
-  else:
-    return ""
-
-
-class Preparation(Step):
-  MESSAGE = "Preparation."
-
-  def RunStep(self):
-    self.CommonPrepare()
-    self.PrepareBranch()
-
-
-class RetrieveV8Releases(Step):
-  MESSAGE = "Retrieve all V8 releases."
-
-  def ExceedsMax(self, releases):
-    return (self._options.max_releases > 0
-            and len(releases) > self._options.max_releases)
-
-  def GetMasterHashFromPush(self, title):
-    return MatchSafe(PUSH_MSG_GIT_RE.match(title))
-
-  def GetMergedPatches(self, body):
-    patches = MatchSafe(MERGE_MESSAGE_RE.search(body))
-    if not patches:
-      patches = MatchSafe(ROLLBACK_MESSAGE_RE.search(body))
-      if patches:
-        # Indicate reverted patches with a "-".
-        patches = "-%s" % patches
-    return patches
-
-  def GetMergedPatchesGit(self, body):
-    patches = []
-    for line in body.splitlines():
-      patch = MatchSafe(MERGE_MESSAGE_GIT_RE.match(line))
-      if patch:
-        patches.append(patch)
-      patch = MatchSafe(ROLLBACK_MESSAGE_GIT_RE.match(line))
-      if patch:
-        patches.append("-%s" % patch)
-    return ", ".join(patches)
-
-
-  def GetReleaseDict(
-      self, git_hash, master_position, master_hash, branch, version,
-      patches, cl_body):
-    revision = self.GetCommitPositionNumber(git_hash)
-    return {
-      # The cr commit position number on the branch.
-      "revision": revision,
-      # The git revision on the branch.
-      "revision_git": git_hash,
-      # The cr commit position number on master.
-      "bleeding_edge": master_position,
-      # The same for git.
-      "bleeding_edge_git": master_hash,
-      # The branch name.
-      "branch": branch,
-      # The version for displaying in the form 3.26.3 or 3.26.3.12.
-      "version": version,
-      # The date of the commit.
-      "date": self.GitLog(n=1, format="%ci", git_hash=git_hash),
-      # Merged patches if available in the form 'r1234, r2345'.
-      "patches_merged": patches,
-      # Default for easier output formatting.
-      "chromium_revision": "",
-      # Default for easier output formatting.
-      "chromium_branch": "",
-      # Link to the CL on code review. Candiates pushes are not uploaded,
-      # so this field will be populated below with the recent roll CL link.
-      "review_link": MatchSafe(REVIEW_LINK_RE.search(cl_body)),
-      # Link to the commit message on google code.
-      "revision_link": ("https://code.google.com/p/v8/source/detail?r=%s"
-                        % revision),
-    }
-
-  def GetRelease(self, git_hash, branch):
-    self.ReadAndPersistVersion()
-    base_version = [self["major"], self["minor"], self["build"]]
-    version = ".".join(base_version)
-    body = self.GitLog(n=1, format="%B", git_hash=git_hash)
-
-    patches = ""
-    if self["patch"] != "0":
-      version += ".%s" % self["patch"]
-      if CHERRY_PICK_TITLE_GIT_RE.match(body.splitlines()[0]):
-        patches = self.GetMergedPatchesGit(body)
-      else:
-        patches = self.GetMergedPatches(body)
-
-    title = self.GitLog(n=1, format="%s", git_hash=git_hash)
-    master_hash = self.GetMasterHashFromPush(title)
-    master_position = ""
-    if master_hash:
-      master_position = self.GetCommitPositionNumber(master_hash)
-    # TODO(machenbach): Add the commit position number.
-    return self.GetReleaseDict(
-        git_hash, master_position, master_hash, branch, version,
-        patches, body), self["patch"]
-
-  def GetReleasesFromMaster(self):
-    # TODO(machenbach): Implement this in git as soon as we tag again on
-    # master.
-    # tag_text = self.SVN("log https://v8.googlecode.com/svn/tags -v
-    # --limit 20")
-    # releases = []
-    # for (tag, revision) in re.findall(BLEEDING_EDGE_TAGS_RE, tag_text):
-    #   git_hash = self.vc.SvnGit(revision)
-
-      # Add bleeding edge release. It does not contain patches or a code
-      # review link, as tags are not uploaded.
-    #   releases.append(self.GetReleaseDict(
-    #     git_hash, revision, git_hash, self.vc.MasterBranch(), tag, "", ""))
-    return []
-
-  def GetReleasesFromBranch(self, branch):
-    self.GitReset(self.vc.RemoteBranch(branch))
-    if branch == self.vc.MasterBranch():
-      return self.GetReleasesFromMaster()
-
-    releases = []
-    try:
-      for git_hash in self.GitLog(format="%H").splitlines():
-        if VERSION_FILE not in self.GitChangedFiles(git_hash):
-          continue
-        if self.ExceedsMax(releases):
-          break  # pragma: no cover
-        if not self.GitCheckoutFileSafe(VERSION_FILE, git_hash):
-          break  # pragma: no cover
-
-        release, patch_level = self.GetRelease(git_hash, branch)
-        releases.append(release)
-
-        # Follow branches only until their creation point.
-        # TODO(machenbach): This omits patches if the version file wasn't
-        # manipulated correctly. Find a better way to detect the point where
-        # the parent of the branch head leads to the trunk branch.
-        if branch != self.vc.CandidateBranch() and patch_level == "0":
-          break
-
-    # Allow Ctrl-C interrupt.
-    except (KeyboardInterrupt, SystemExit):  # pragma: no cover
-      pass
-
-    # Clean up checked-out version file.
-    self.GitCheckoutFileSafe(VERSION_FILE, "HEAD")
-    return releases
-
-  def RunStep(self):
-    self.GitCreateBranch(self._config["BRANCHNAME"])
-    branches = self.vc.GetBranches()
-    releases = []
-    if self._options.branch == 'recent':
-      # Get only recent development on candidates, beta and stable.
-      if self._options.max_releases == 0:  # pragma: no cover
-        self._options.max_releases = 10
-      beta, stable = SortBranches(branches)[0:2]
-      releases += self.GetReleasesFromBranch(stable)
-      releases += self.GetReleasesFromBranch(beta)
-      releases += self.GetReleasesFromBranch(self.vc.CandidateBranch())
-      releases += self.GetReleasesFromBranch(self.vc.MasterBranch())
-    elif self._options.branch == 'all':  # pragma: no cover
-      # Retrieve the full release history.
-      for branch in branches:
-        releases += self.GetReleasesFromBranch(branch)
-      releases += self.GetReleasesFromBranch(self.vc.CandidateBranch())
-      releases += self.GetReleasesFromBranch(self.vc.MasterBranch())
-    else:  # pragma: no cover
-      # Retrieve history for a specified branch.
-      assert self._options.branch in (branches +
-          [self.vc.CandidateBranch(), self.vc.MasterBranch()])
-      releases += self.GetReleasesFromBranch(self._options.branch)
-
-    self["releases"] = sorted(releases,
-                              key=lambda r: SortingKey(r["version"]),
-                              reverse=True)
-
-
-class SwitchChromium(Step):
-  MESSAGE = "Switch to Chromium checkout."
-
-  def RunStep(self):
-    cwd = self._options.chromium
-    # Check for a clean workdir.
-    if not self.GitIsWorkdirClean(cwd=cwd):  # pragma: no cover
-      self.Die("Workspace is not clean. Please commit or undo your changes.")
-    # Assert that the DEPS file is there.
-    if not os.path.exists(os.path.join(cwd, "DEPS")):  # pragma: no cover
-      self.Die("DEPS file not present.")
-
-
-class UpdateChromiumCheckout(Step):
-  MESSAGE = "Update the checkout and create a new branch."
-
-  def RunStep(self):
-    cwd = self._options.chromium
-    self.GitCheckout("master", cwd=cwd)
-    self.GitPull(cwd=cwd)
-    self.GitCreateBranch(self.Config("BRANCHNAME"), cwd=cwd)
-
-
-def ConvertToCommitNumber(step, revision):
-  # Simple check for git hashes.
-  if revision.isdigit() and len(revision) < 8:
-    return revision
-  return step.GetCommitPositionNumber(
-      revision, cwd=os.path.join(step._options.chromium, "v8"))
-
-
-class RetrieveChromiumV8Releases(Step):
-  MESSAGE = "Retrieve V8 releases from Chromium DEPS."
-
-  def RunStep(self):
-    cwd = self._options.chromium
-    releases = filter(
-        lambda r: r["branch"] in [self.vc.CandidateBranch(),
-                                  self.vc.MasterBranch()],
-        self["releases"])
-    if not releases:  # pragma: no cover
-      print "No releases detected. Skipping chromium history."
-      return True
-
-    # Update v8 checkout in chromium.
-    self.GitFetchOrigin(cwd=os.path.join(cwd, "v8"))
-
-    oldest_v8_rev = int(releases[-1]["revision"])
-
-    cr_releases = []
-    try:
-      for git_hash in self.GitLog(
-          format="%H", grep="V8", cwd=cwd).splitlines():
-        if "DEPS" not in self.GitChangedFiles(git_hash, cwd=cwd):
-          continue
-        if not self.GitCheckoutFileSafe("DEPS", git_hash, cwd=cwd):
-          break  # pragma: no cover
-        deps = FileToText(os.path.join(cwd, "DEPS"))
-        match = DEPS_RE.search(deps)
-        if match:
-          cr_rev = self.GetCommitPositionNumber(git_hash, cwd=cwd)
-          if cr_rev:
-            v8_rev = ConvertToCommitNumber(self, match.group(1))
-            cr_releases.append([cr_rev, v8_rev])
-
-          # Stop after reaching beyond the last v8 revision we want to update.
-          # We need a small buffer for possible revert/reland frenzies.
-          # TODO(machenbach): Subtraction is not git friendly.
-          if int(v8_rev) < oldest_v8_rev - 100:
-            break  # pragma: no cover
-
-    # Allow Ctrl-C interrupt.
-    except (KeyboardInterrupt, SystemExit):  # pragma: no cover
-      pass
-
-    # Clean up.
-    self.GitCheckoutFileSafe("DEPS", "HEAD", cwd=cwd)
-
-    # Add the chromium ranges to the v8 candidates and master releases.
-    all_ranges = BuildRevisionRanges(cr_releases)
-    releases_dict = dict((r["revision"], r) for r in releases)
-    for revision, ranges in all_ranges.iteritems():
-      releases_dict.get(revision, {})["chromium_revision"] = ranges
-
-
-# TODO(machenbach): Unify common code with method above.
-class RietrieveChromiumBranches(Step):
-  MESSAGE = "Retrieve Chromium branch information."
-
-  def RunStep(self):
-    cwd = self._options.chromium
-    cand_releases = filter(lambda r: r["branch"] == self.vc.CandidateBranch(),
-                           self["releases"])
-    if not cand_releases:  # pragma: no cover
-      print "No candidates releases detected. Skipping chromium history."
-      return True
-
-    oldest_v8_rev = int(cand_releases[-1]["revision"])
-
-    # Filter out irrelevant branches.
-    branches = filter(lambda r: re.match(r"branch-heads/\d+", r),
-                      self.GitRemotes(cwd=cwd))
-
-    # Transform into pure branch numbers.
-    branches = map(lambda r: int(re.match(r"branch-heads/(\d+)", r).group(1)),
-                   branches)
-
-    branches = sorted(branches, reverse=True)
-
-    cr_branches = []
-    try:
-      for branch in branches:
-        if not self.GitCheckoutFileSafe("DEPS",
-                                        "branch-heads/%d" % branch,
-                                        cwd=cwd):
-          break  # pragma: no cover
-        deps = FileToText(os.path.join(cwd, "DEPS"))
-        match = DEPS_RE.search(deps)
-        if match:
-          v8_rev = ConvertToCommitNumber(self, match.group(1))
-          cr_branches.append([str(branch), v8_rev])
-
-          # Stop after reaching beyond the last v8 revision we want to update.
-          # We need a small buffer for possible revert/reland frenzies.
-          # TODO(machenbach): Subtraction is not git friendly.
-          if int(v8_rev) < oldest_v8_rev - 100:
-            break  # pragma: no cover
-
-    # Allow Ctrl-C interrupt.
-    except (KeyboardInterrupt, SystemExit):  # pragma: no cover
-      pass
-
-    # Clean up.
-    self.GitCheckoutFileSafe("DEPS", "HEAD", cwd=cwd)
-
-    # Add the chromium branches to the v8 candidate releases.
-    all_ranges = BuildRevisionRanges(cr_branches)
-    cand_dict = dict((r["revision"], r) for r in cand_releases)
-    for revision, ranges in all_ranges.iteritems():
-      cand_dict.get(revision, {})["chromium_branch"] = ranges
-
-
-class CleanUp(Step):
-  MESSAGE = "Clean up."
-
-  def RunStep(self):
-    self.GitCheckout("master", cwd=self._options.chromium)
-    self.GitDeleteBranch(self.Config("BRANCHNAME"), cwd=self._options.chromium)
-    self.CommonCleanup()
-
-
-class WriteOutput(Step):
-  MESSAGE = "Print output."
-
-  def Run(self):
-    if self._options.csv:
-      with open(self._options.csv, "w") as f:
-        writer = csv.DictWriter(f,
-                                ["version", "branch", "revision",
-                                 "chromium_revision", "patches_merged"],
-                                restval="",
-                                extrasaction="ignore")
-        for release in self["releases"]:
-          writer.writerow(release)
-    if self._options.json:
-      with open(self._options.json, "w") as f:
-        f.write(json.dumps(self["releases"]))
-    if not self._options.csv and not self._options.json:
-      print self["releases"]  # pragma: no cover
-
-
-class Releases(ScriptsBase):
-  def _PrepareOptions(self, parser):
-    parser.add_argument("-b", "--branch", default="recent",
-                        help=("The branch to analyze. If 'all' is specified, "
-                              "analyze all branches. If 'recent' (default) "
-                              "is specified, track beta, stable and "
-                              "candidates."))
-    parser.add_argument("-c", "--chromium",
-                        help=("The path to your Chromium src/ "
-                              "directory to automate the V8 roll."))
-    parser.add_argument("--csv", help="Path to a CSV file for export.")
-    parser.add_argument("-m", "--max-releases", type=int, default=0,
-                        help="The maximum number of releases to track.")
-    parser.add_argument("--json", help="Path to a JSON file for export.")
-
-  def _ProcessOptions(self, options):  # pragma: no cover
-    return True
-
-  def _Config(self):
-    return {
-      "BRANCHNAME": "retrieve-v8-releases",
-      "PERSISTFILE_BASENAME": "/tmp/v8-releases-tempfile",
-    }
-
-  def _Steps(self):
-    return [
-      Preparation,
-      RetrieveV8Releases,
-      SwitchChromium,
-      UpdateChromiumCheckout,
-      RetrieveChromiumV8Releases,
-      RietrieveChromiumBranches,
-      CleanUp,
-      WriteOutput,
-    ]
-
-
-if __name__ == "__main__":  # pragma: no cover
-  sys.exit(Releases().Run())