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#!/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="include/v8-version.h"
MAJOR="V8_MAJOR_VERSION"
MINOR="V8_MINOR_VERSION"
BUILD="V8_BUILD_NUMBER"
PATCH="V8_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
|
