#!/bin/bash # Copyright 2013 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 BASE_URL="https://code.google.com/p/v8/source/list" VERSION="src/version.cc" MAJOR="MAJOR_VERSION" MINOR="MINOR_VERSION" BUILD="BUILD_NUMBER" PATCH="PATCH_LEVEL" V8="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)" ########## Function definitions cd $V8 usage() { cat << EOF usage: $0 OPTIONS Fetches V8 revision information from a git-svn checkout. OPTIONS: -h Show this message. -i Print revision info for all branches matching the V8 version. Example usage: $0 -i 3.19.10$ Output format: [Git hash] [SVN revision] [V8 version] -v Print the V8 version tag for a trunk SVN revision. Example usage: $0 -v 14981 Output format: [V8 version] -m Print all patches that were merged to the specified V8 branch. Example usage: $0 -m 3.18 Output format: [V8 version] [SVN revision] [SVN patch merged]*. -p Print all patches merged to a specific V8 point-release. Example usage: $0 -p 3.19.12.1 Output format: [SVN patch merged]* -u Print a link to all SVN revisions between two V8 revision tags. Example usage: $0 -u 3.19.10:3.19.11 EOF } tags() { git for-each-ref --format="%(objectname) %(refname:short)" refs/remotes/svn } tag_revision() { cut -d" " -f1 } tag_log() { git log --format="%h %ci %ce %s" -1 $1 } v8_hash() { tags | grep "svn/tags/$1$" | tag_revision } point_merges() { echo $1 | grep -o "r[0-9]\+" } hash_to_svn() { git svn log -1 --oneline $1 | cut -d" " -f1 } tag_version() { tags | grep svn/tags/$1 | while read tag; do id=$(echo $tag | grep -o "[^/]*$") rev=$(echo $tag | tag_revision) svn=$(hash_to_svn $rev) echo $rev $svn $id done } svn_rev() { git svn find-rev $2 svn/$1 } v8_rev() { cd $(git rev-parse --show-toplevel) rev=$(git show $1:$VERSION \ | grep "#define" \ | grep "$MAJOR\|$MINOR\|$BUILD\|$PATCH" \ | grep -o "[0-9]\+$" \ | tr "\\n" ".") echo ${rev%?} } merges_to_branch() { git cherry -v svn/trunk svn/$1 | while read merge; do h=$(echo $merge | cut -d" " -f2) svn=$(svn_rev $1 $h) merges=$(echo $merge | grep -o "r[0-9]\+") rev=$(v8_rev $h) echo $rev r$svn $merges done } url_for() { first=$(svn_rev trunk $(v8_hash $(echo $1 | cut -d":" -f1))) last=$(svn_rev trunk $(v8_hash $(echo $1 | cut -d":" -f2))) num=$[ $last - $first] echo "$BASE_URL?num=$num&start=$last" } ########## Option parsing while getopts ":hi:v:m:p:u:" OPTION ; do case $OPTION in h) usage exit 0 ;; i) tag_version $OPTARG ;; v) v8_rev $(svn_rev trunk r$OPTARG) ;; m) merges_to_branch $OPTARG ;; p) echo $(point_merges "$(tag_log $(v8_hash $OPTARG)^1)") ;; u) url_for $OPTARG ;; ?) echo "Illegal option: -$OPTARG" usage exit 1 ;; esac done