From: machenbach@chromium.org <machenbach@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 3 Apr 2014 09:42:18 +0000 (+0000)
Subject: Add version number to commit message in merge-to-branch.
X-Git-Tag: upstream/4.7.83~9849
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=18308b389cc58e6e38b80136dcd33a9a56529e30;p=platform%2Fupstream%2Fv8.git

Add version number to commit message in merge-to-branch.

This is a step towards automatically rolling arbitrary trunk revisions into Chromium.

This also deprecates the bash scripts as they now start to divert.

BUG=
R=jarin@chromium.org

Review URL: https://codereview.chromium.org/223093003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/tools/common-includes.sh b/tools/common-includes.sh
deleted file mode 100644
index 7785e9f..0000000
--- a/tools/common-includes.sh
+++ /dev/null
@@ -1,198 +0,0 @@
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-# This file contains common function definitions for various other shell
-# scripts in this directory. It is not meant to be executed by itself.
-
-# Important: before including this file, the following variables must be set:
-# - BRANCHNAME
-# - PERSISTFILE_BASENAME
-
-TEMP_BRANCH=$BRANCHNAME-temporary-branch-created-by-script
-VERSION_FILE="src/version.cc"
-CHANGELOG_ENTRY_FILE="$PERSISTFILE_BASENAME-changelog-entry"
-PATCH_FILE="$PERSISTFILE_BASENAME-patch"
-COMMITMSG_FILE="$PERSISTFILE_BASENAME-commitmsg"
-TRUNK_REVISION_FILE="$PERSISTFILE_BASENAME-trunkrevision"
-START_STEP=0
-CURRENT_STEP=0
-
-die() {
-  [[ -n "$1" ]] && echo "Error: $1"
-  echo "Exiting."
-  exit 1
-}
-
-confirm() {
-  echo -n "$1 [Y/n] "
-  read ANSWER
-  if [[ -z "$ANSWER" || "$ANSWER" == "Y" || "$ANSWER" == "y" ]] ; then
-    return 0
-  else
-    return 1
-  fi
-}
-
-delete_branch() {
-  local MATCH=$(git branch | grep "$1" | awk '{print $NF}' | grep -x $1)
-  if [ "$MATCH" == "$1" ] ; then
-    confirm "Branch $1 exists, do you want to delete it?"
-    if [ $? -eq 0 ] ; then
-      git branch -D $1 || die "Deleting branch '$1' failed."
-      echo "Branch $1 deleted."
-    else
-      die "Can't continue. Please delete branch $1 and try again."
-    fi
-  fi
-}
-
-# Persist and restore variables to support canceling/resuming execution
-# of this script.
-persist() {
-  local VARNAME=$1
-  local FILE="$PERSISTFILE_BASENAME-$VARNAME"
-  local VALUE="${!VARNAME}"
-  if [ -z "$VALUE" ] ; then
-    VALUE="__EMPTY__"
-  fi
-  echo "$VALUE" > $FILE
-}
-
-restore() {
-  local VARNAME=$1
-  local FILE="$PERSISTFILE_BASENAME-$VARNAME"
-  local VALUE="$(cat $FILE)"
-  [[ -z "$VALUE" ]] && die "Variable '$VARNAME' could not be restored."
-  if [ "$VALUE" == "__EMPTY__" ] ; then
-    VALUE=""
-  fi
-  eval "$VARNAME=\"$VALUE\""
-}
-
-restore_if_unset() {
-  local VARNAME=$1
-  [[ -z "${!VARNAME}" ]] && restore "$VARNAME"
-}
-
-initial_environment_checks() {
-  # Cancel if this is not a git checkout.
-  [[ -d .git ]] \
-    || die "This is not a git checkout, this script won't work for you."
-
-  # Cancel if EDITOR is unset or not executable.
-  [[ -n "$EDITOR" && -x "$(which $EDITOR)" ]] \
-    || die "Please set your EDITOR environment variable, you'll need it."
-}
-
-common_prepare() {
-  # Check for a clean workdir.
-  [[ -z "$(git status -s -uno)" ]] \
-    || die "Workspace is not clean. Please commit or undo your changes."
-
-  # Persist current branch.
-  CURRENT_BRANCH=$(git status -s -b -uno | grep "^##" | awk '{print $2}')
-  persist "CURRENT_BRANCH"
-
-  # Fetch unfetched revisions.
-  git svn fetch || die "'git svn fetch' failed."
-
-  # Get ahold of a safe temporary branch and check it out.
-  if [ "$CURRENT_BRANCH" != "$TEMP_BRANCH" ] ; then
-    delete_branch $TEMP_BRANCH
-    git checkout -b $TEMP_BRANCH
-  fi
-
-  # Delete the branch that will be created later if it exists already.
-  delete_branch $BRANCHNAME
-}
-
-common_cleanup() {
-  restore_if_unset "CURRENT_BRANCH"
-  git checkout -f $CURRENT_BRANCH
-  [[ "$TEMP_BRANCH" != "$CURRENT_BRANCH" ]] && git branch -D $TEMP_BRANCH
-  [[ "$BRANCHNAME" != "$CURRENT_BRANCH" ]] && git branch -D $BRANCHNAME
-  # Clean up all temporary files.
-  rm -f "$PERSISTFILE_BASENAME"*
-}
-
-# These two functions take a prefix for the variable names as first argument.
-read_and_persist_version() {
-  for v in MAJOR_VERSION MINOR_VERSION BUILD_NUMBER PATCH_LEVEL; do
-    VARNAME="$1${v%%_*}"
-    VALUE=$(grep "#define $v" "$VERSION_FILE" | awk '{print $NF}')
-    eval "$VARNAME=\"$VALUE\""
-    persist "$VARNAME"
-  done
-}
-restore_version_if_unset() {
-  for v in MAJOR MINOR BUILD PATCH; do
-    restore_if_unset "$1$v"
-  done
-}
-
-upload_step() {
-  let CURRENT_STEP+=1
-  if [ $START_STEP -le $CURRENT_STEP ] ; then
-    echo ">>> Step $CURRENT_STEP: Upload for code review."
-    echo -n "Please enter the email address of a V8 reviewer for your patch: "
-    read REVIEWER
-    git cl upload -r "$REVIEWER" --send-mail \
-      || die "'git cl upload' failed, please try again."
-  fi
-}
-
-wait_for_lgtm() {
-  echo "Please wait for an LGTM, then type \"LGTM<Return>\" to commit your \
-change. (If you need to iterate on the patch or double check that it's \
-sane, do so in another shell, but remember to not change the headline of \
-the uploaded CL."
-  unset ANSWER
-  while [ "$ANSWER" != "LGTM" ] ; do
-    [[ -n "$ANSWER" ]] && echo "That was not 'LGTM'."
-    echo -n "> "
-    read ANSWER
-  done
-}
-
-wait_for_resolving_conflicts() {
-  echo "Applying the patch \"$1\" failed. Either type \"ABORT<Return>\", or \
-resolve the conflicts, stage *all* touched files with 'git add', and \
-type \"RESOLVED<Return>\""
-  unset ANSWER
-  while [ "$ANSWER" != "RESOLVED" ] ; do
-    [[ "$ANSWER" == "ABORT" ]] && die "Applying the patch failed."
-    [[ -n "$ANSWER" ]] && echo "That was not 'RESOLVED' or 'ABORT'."
-    echo -n "> "
-    read ANSWER
-  done
-}
-
-# Takes a file containing the patch to apply as first argument.
-apply_patch() {
-  git apply --index --reject $REVERSE_PATCH "$1" || \
-    wait_for_resolving_conflicts "$1";
-}
diff --git a/tools/merge-to-branch.sh b/tools/merge-to-branch.sh
deleted file mode 100755
index 4e8a86c..0000000
--- a/tools/merge-to-branch.sh
+++ /dev/null
@@ -1,342 +0,0 @@
-#!/bin/bash
-# Copyright 2012 the V8 project authors. All rights reserved.
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-#       notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-#       copyright notice, this list of conditions and the following
-#       disclaimer in the documentation and/or other materials provided
-#       with the distribution.
-#     * Neither the name of Google Inc. nor the names of its
-#       contributors may be used to endorse or promote products derived
-#       from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-########## Global variable definitions
-
-BRANCHNAME=prepare-merge
-PERSISTFILE_BASENAME=/tmp/v8-merge-to-branch-tempfile
-ALREADY_MERGING_SENTINEL_FILE="$PERSISTFILE_BASENAME-already-merging"
-COMMIT_HASHES_FILE="$PERSISTFILE_BASENAME-PATCH_COMMIT_HASHES"
-TEMPORARY_PATCH_FILE="$PERSISTFILE_BASENAME-temporary-patch"
-
-########## Function definitions
-
-source $(dirname $BASH_SOURCE)/common-includes.sh
-
-usage() {
-cat << EOF
-usage: $0 [OPTIONS]... [BRANCH] [REVISION]...
-
-Performs the necessary steps to merge revisions from bleeding_edge
-to other branches, including trunk.
-
-OPTIONS:
-  -h    Show this message
-  -s    Specify the step where to start work. Default: 0.
-  -p    Specify a patch file to apply as part of the merge
-  -m    Specify a commit message for the patch
-  -r    Reverse specified patches
-EOF
-}
-
-persist_patch_commit_hashes() {
-  echo "PATCH_COMMIT_HASHES=( ${PATCH_COMMIT_HASHES[@]} )" > $COMMIT_HASHES_FILE
-}
-
-restore_patch_commit_hashes() {
-  source $COMMIT_HASHES_FILE
-}
-
-restore_patch_commit_hashes_if_unset() {
-  [[ "${#PATCH_COMMIT_HASHES[@]}" == 0 ]] && restore_patch_commit_hashes
-  [[ "${#PATCH_COMMIT_HASHES[@]}" == 0 ]] && [[ -z "$EXTRA_PATCH" ]] && \
-      die "Variable PATCH_COMMIT_HASHES could not be restored."
-}
-
-########## Option parsing
-REVERT_FROM_BLEEDING_EDGE=0
-
-while getopts ":hs:fp:rm:R" OPTION ; do
-  case $OPTION in
-    h)  usage
-        exit 0
-        ;;
-    p)  EXTRA_PATCH=$OPTARG
-        ;;
-    f)  rm -f "$ALREADY_MERGING_SENTINEL_FILE"
-        ;;
-    r)  REVERSE_PATCH="--reverse"
-        ;;
-    m)  NEW_COMMIT_MSG=$OPTARG
-        ;;
-    s)  START_STEP=$OPTARG
-        ;;
-    R)  REVERSE_PATCH="--reverse"
-        REVERT_FROM_BLEEDING_EDGE=1
-        ;;
-    ?)  echo "Illegal option: -$OPTARG"
-        usage
-        exit 1
-        ;;
-  esac
-done
-let OPTION_COUNT=$OPTIND-1
-shift $OPTION_COUNT
-
-########## Regular workflow
-
-# If there is a merge in progress, abort.
-[[ -e "$ALREADY_MERGING_SENTINEL_FILE" ]] && [[ $START_STEP -eq 0 ]] \
-   && die "A merge is already in progress"
-touch "$ALREADY_MERGING_SENTINEL_FILE"
-
-initial_environment_checks
-
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  let MIN_EXPECTED_ARGS=2-$REVERT_FROM_BLEEDING_EDGE
-  if [ ${#@} -lt $MIN_EXPECTED_ARGS ] ; then
-    if [ -z "$EXTRA_PATCH" ] ; then
-      die "Either a patch file or revision numbers must be specified"
-    fi
-    if [ -z "$NEW_COMMIT_MSG" ] ; then
-      die "You must specify a merge comment if no patches are specified"
-    fi
-  fi
-  echo ">>> Step $CURRENT_STEP: Preparation"
-  if [ $REVERT_FROM_BLEEDING_EDGE -eq 1 ] ; then
-    MERGE_TO_BRANCH="bleeding_edge"
-  else
-    MERGE_TO_BRANCH=$1
-    [[ -n "$MERGE_TO_BRANCH" ]] || die "Please specify a branch to merge to"
-    shift
-  fi
-  persist "MERGE_TO_BRANCH"
-  common_prepare
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Create a fresh branch for the patch."
-  restore_if_unset "MERGE_TO_BRANCH"
-  git checkout -b $BRANCHNAME svn/$MERGE_TO_BRANCH \
-    || die "Creating branch $BRANCHNAME failed."
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Search for corresponding architecture ports."
-  for REVISION in "$@" ; do
-    # Add the revision to the array if it isn't already added.
-    if  [[ ! "${FULL_REVISION_LIST[@]}" =~ (^| )$REVISION($| ) ]] ; then
-      FULL_REVISION_LIST=("${FULL_REVISION_LIST[@]}" "$REVISION")
-    fi
-    # Search for commits which matches the "Port rXXX" pattern.
-    GIT_HASHES=$(git log svn/bleeding_edge --reverse \
-                 --format=%H --grep="Port r$REVISION")
-    if [ -n "$GIT_HASHES" ]; then
-      while read -r NEXT_GIT_HASH; do
-        NEXT_SVN_REVISION=$(git svn find-rev $NEXT_GIT_HASH svn/bleeding_edge)
-        [[ -n "$NEXT_SVN_REVISION" ]] \
-          || die "Cannot determine svn revision for $NEXT_GIT_HASH"
-        FULL_REVISION_LIST=("${FULL_REVISION_LIST[@]}" "$NEXT_SVN_REVISION")
-        REVISION_TITLE=$(git log -1 --format=%s $NEXT_GIT_HASH)
-        # Is this revision included in the original revision list?
-        if [[ $@ =~ (^| )$NEXT_SVN_REVISION($| ) ]] ; then
-          echo "Found port of r$REVISION -> \
-r$NEXT_SVN_REVISION (already included): $REVISION_TITLE"
-        else
-          echo "Found port of r$REVISION -> \
-r$NEXT_SVN_REVISION: $REVISION_TITLE"
-          PORT_REVISION_LIST=("${PORT_REVISION_LIST[@]}" "$NEXT_SVN_REVISION")
-        fi
-      done <<< "$GIT_HASHES"
-    fi
-  done
-  # Next step expects a list, not an array.
-  FULL_REVISION_LIST="${FULL_REVISION_LIST[@]}"
-  # Do we find any port?
-  if [ ${#PORT_REVISION_LIST[@]} -ne 0 ] ; then
-    confirm "Automatically add corresponding ports (${PORT_REVISION_LIST[*]})?"
-    #: 'n': Restore the original revision list.
-    if [ $? -ne 0 ] ; then
-      FULL_REVISION_LIST="$@"
-    fi
-  fi
-  persist "FULL_REVISION_LIST"
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Find the git \
-revisions associated with the patches."
-  restore_if_unset "FULL_REVISION_LIST"
-  current=0
-  for REVISION in $FULL_REVISION_LIST ; do
-    NEXT_HASH=$(git svn find-rev "r$REVISION" svn/bleeding_edge)
-    [[ -n "$NEXT_HASH" ]] \
-      || die "Cannot determine git hash for r$REVISION"
-    PATCH_COMMIT_HASHES[$current]="$NEXT_HASH"
-    [[ -n "$REVISION_LIST" ]] && REVISION_LIST="$REVISION_LIST,"
-    REVISION_LIST="$REVISION_LIST r$REVISION"
-    let current+=1
-  done
-  if [ -n "$REVISION_LIST" ] ; then
-    if [ -n "$REVERSE_PATCH" ] ; then
-      if [ $REVERT_FROM_BLEEDING_EDGE -eq 0 ] ; then
-        NEW_COMMIT_MSG="Rollback of$REVISION_LIST in $MERGE_TO_BRANCH branch."
-      else
-        NEW_COMMIT_MSG="Revert$REVISION_LIST."
-      fi
-    else
-      NEW_COMMIT_MSG="Merged$REVISION_LIST into $MERGE_TO_BRANCH branch."
-    fi;
-  fi;
-
-  echo "$NEW_COMMIT_MSG" > $COMMITMSG_FILE
-  echo "" >> $COMMITMSG_FILE
-  for HASH in ${PATCH_COMMIT_HASHES[@]} ; do
-    PATCH_MERGE_DESCRIPTION=$(git log -1 --format=%s $HASH)
-    echo "$PATCH_MERGE_DESCRIPTION" >> $COMMITMSG_FILE
-    echo "" >> $COMMITMSG_FILE
-  done
-  for HASH in ${PATCH_COMMIT_HASHES[@]} ; do
-    BUG=$(git log -1 $HASH | grep "BUG=" | awk -F '=' '{print $NF}')
-    if [ -n "$BUG" ] ; then
-      [[ -n "$BUG_AGGREGATE" ]] && BUG_AGGREGATE="$BUG_AGGREGATE,"
-      BUG_AGGREGATE="$BUG_AGGREGATE$BUG"
-    fi
-  done
-  if [ -n "$BUG_AGGREGATE" ] ; then
-    echo "BUG=$BUG_AGGREGATE" >> $COMMITMSG_FILE
-    echo "LOG=N" >> $COMMITMSG_FILE
-  fi
-  persist "NEW_COMMIT_MSG"
-  persist "REVISION_LIST"
-  persist_patch_commit_hashes
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Apply patches for selected revisions."
-  restore_if_unset "MERGE_TO_BRANCH"
-  restore_patch_commit_hashes_if_unset "PATCH_COMMIT_HASHES"
-  for HASH in ${PATCH_COMMIT_HASHES[@]} ; do
-    echo "Applying patch for $HASH to $MERGE_TO_BRANCH..."
-    git log -1 -p $HASH > "$TEMPORARY_PATCH_FILE"
-    apply_patch "$TEMPORARY_PATCH_FILE"
-  done
-  if [ -n "$EXTRA_PATCH" ] ; then
-    apply_patch "$EXTRA_PATCH"
-  fi
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] && [ $REVERT_FROM_BLEEDING_EDGE -eq 0 ] ; then
-  echo ">>> Step $CURRENT_STEP: Prepare $VERSION_FILE."
-  # These version numbers are used again for creating the tag
-  read_and_persist_version
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] && [ $REVERT_FROM_BLEEDING_EDGE -eq 0 ] ; then
-  echo ">>> Step $CURRENT_STEP: Increment version number."
-  restore_if_unset "PATCH"
-  NEWPATCH=$(($PATCH + 1))
-  confirm "Automatically increment PATCH_LEVEL? (Saying 'n' will fire up \
-your EDITOR on $VERSION_FILE so you can make arbitrary changes. When \
-you're done, save the file and exit your EDITOR.)"
-  if [ $? -eq 0 ] ; then
-    echo $NEWPATCH $VERSION_FILE
-    sed -e "/#define PATCH_LEVEL/s/[0-9]*$/$NEWPATCH/" \
-        -i.bak "$VERSION_FILE" || die "Could not increment patch level"
-  else
-    $EDITOR "$VERSION_FILE"
-  fi
-  read_and_persist_version "NEW"
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Commit to local branch."
-  git commit -a -F "$COMMITMSG_FILE" \
-    || die "'git commit -a' failed."
-fi
-
-upload_step
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Commit to the repository."
-  restore_if_unset "MERGE_TO_BRANCH"
-  git checkout $BRANCHNAME \
-    || die "cannot ensure that the current branch is $BRANCHNAME"
-  wait_for_lgtm
-  PRESUBMIT_TREE_CHECK="skip" git cl presubmit \
-    || die "presubmit failed"
-  PRESUBMIT_TREE_CHECK="skip" git cl dcommit --bypass-hooks \
-    || die "failed to commit to $MERGE_TO_BRANCH"
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] && [ $REVERT_FROM_BLEEDING_EDGE -eq 0 ] ; then
-  echo ">>> Step $CURRENT_STEP: Determine svn commit revision"
-  restore_if_unset "NEW_COMMIT_MSG"
-  restore_if_unset "MERGE_TO_BRANCH"
-  git svn fetch || die "'git svn fetch' failed."
-  COMMIT_HASH=$(git log -1 --format=%H --grep="$NEW_COMMIT_MSG" \
-    svn/$MERGE_TO_BRANCH)
-  [[ -z "$COMMIT_HASH" ]] && die "Unable to map git commit to svn revision"
-  SVN_REVISION=$(git svn find-rev $COMMIT_HASH)
-  echo "subversion revision number is r$SVN_REVISION"
-  persist "SVN_REVISION"
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] && [ $REVERT_FROM_BLEEDING_EDGE -eq 0 ] ; then
-  echo ">>> Step $CURRENT_STEP: Create the tag."
-  restore_if_unset "SVN_REVISION"
-  restore_version_if_unset "NEW"
-  echo "Creating tag svn/tags/$NEWMAJOR.$NEWMINOR.$NEWBUILD.$NEWPATCH"
-  if [ "$MERGE_TO_BRANCH" == "trunk" ] ; then
-    TO_URL="$MERGE_TO_BRANCH"
-  else
-    TO_URL="branches/$MERGE_TO_BRANCH"
-  fi
-  svn copy -r $SVN_REVISION \
-    https://v8.googlecode.com/svn/$TO_URL \
-    https://v8.googlecode.com/svn/tags/$NEWMAJOR.$NEWMINOR.$NEWBUILD.$NEWPATCH \
-    -m "Tagging version $NEWMAJOR.$NEWMINOR.$NEWBUILD.$NEWPATCH"
-  persist "TO_URL"
-fi
-
-let CURRENT_STEP+=1
-if [ $START_STEP -le $CURRENT_STEP ] ; then
-  echo ">>> Step $CURRENT_STEP: Cleanup."
-  restore_if_unset "SVN_REVISION"
-  restore_if_unset "TO_URL"
-  restore_if_unset "REVISION_LIST"
-  restore_version_if_unset "NEW"
-  common_cleanup
-  if [ $REVERT_FROM_BLEEDING_EDGE==0 ] ; then
-    echo "*** SUMMARY ***"
-    echo "version: $NEWMAJOR.$NEWMINOR.$NEWBUILD.$NEWPATCH"
-    echo "branch: $TO_URL"
-    echo "svn revision: $SVN_REVISION"
-    [[ -n "$REVISION_LIST" ]] && echo "patches:$REVISION_LIST"
-  fi
-fi
diff --git a/tools/push-to-trunk/merge_to_branch.py b/tools/push-to-trunk/merge_to_branch.py
index f0acd14..87ba02b 100755
--- a/tools/push-to-trunk/merge_to_branch.py
+++ b/tools/push-to-trunk/merge_to_branch.py
@@ -158,7 +158,6 @@ class FindGitRevisions(Step):
     bug_aggregate = ",".join(sorted(bugs))
     if bug_aggregate:
       self["new_commit_msg"] += "BUG=%s\nLOG=N\n" % bug_aggregate
-    TextToFile(self["new_commit_msg"], self.Config(COMMITMSG_FILE))
 
 
 class ApplyPatches(Step):
@@ -181,7 +180,7 @@ class PrepareVersion(Step):
   def RunStep(self):
     if self._options.revert_bleeding_edge:
       return
-    # These version numbers are used again for creating the tag
+    # This is used to calculate the patch level increment.
     self.ReadAndPersistVersion()
 
 
@@ -204,12 +203,20 @@ class IncrementVersion(Step):
     else:
       self.Editor(self.Config(VERSION_FILE))
     self.ReadAndPersistVersion("new_")
+    self["version"] = "%s.%s.%s.%s" % (self["new_major"],
+                                       self["new_minor"],
+                                       self["new_build"],
+                                       self["new_patch"])
 
 
 class CommitLocal(Step):
   MESSAGE = "Commit to local branch."
 
   def RunStep(self):
+    if not self._options.revert_bleeding_edge:
+      self["new_commit_msg"] = "Version %s\n\n%s" % (self["version"],
+                                                     self["new_commit_msg"])
+    TextToFile(self["new_commit_msg"], self.Config(COMMITMSG_FILE))
     self.GitCommit(file_name=self.Config(COMMITMSG_FILE))
 
 
@@ -244,10 +251,6 @@ class TagRevision(Step):
   def RunStep(self):
     if self._options.revert_bleeding_edge:
       return
-    self["version"] = "%s.%s.%s.%s" % (self["new_major"],
-                                       self["new_minor"],
-                                       self["new_build"],
-                                       self["new_patch"])
     print "Creating tag svn/tags/%s" % self["version"]
     if self["merge_to_branch"] == "trunk":
       self["to_url"] = "trunk"
diff --git a/tools/push-to-trunk/test_scripts.py b/tools/push-to-trunk/test_scripts.py
index f1fe46f..0e70afd 100644
--- a/tools/push-to-trunk/test_scripts.py
+++ b/tools/push-to-trunk/test_scripts.py
@@ -985,7 +985,9 @@ deps = {
       return lambda: self.assertEquals(patch,
           FileToText(TEST_CONFIG[TEMPORARY_PATCH_FILE]))
 
-    msg = """Merged r12345, r23456, r34567, r45678, r56789 into trunk branch.
+    msg = """Version 3.22.5.1
+
+Merged r12345, r23456, r34567, r45678, r56789 into trunk branch.
 
 Title4