1 #!/bin/bash 2 # Copyright 2013 the V8 project authors. All rights reserved. 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions are 5 # met: 6 # 7 # * Redistributions of source code must retain the above copyright 8 # notice, this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above 10 # copyright notice, this list of conditions and the following 11 # disclaimer in the documentation and/or other materials provided 12 # with the distribution. 13 # * Neither the name of Google Inc. nor the names of its 14 # contributors may be used to endorse or promote products derived 15 # from this software without specific prior written permission. 16 # 17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 30 ########## Global variable definitions 31 32 BASE_URL="https://code.google.com/p/v8/source/list" 33 VERSION="src/version.cc" 34 MAJOR="MAJOR_VERSION" 35 MINOR="MINOR_VERSION" 36 BUILD="BUILD_NUMBER" 37 PATCH="PATCH_LEVEL" 38 39 V8="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)" 40 41 ########## Function definitions 42 43 cd $V8 44 45 usage() { 46 cat << EOF 47 usage: $0 OPTIONS 48 49 Fetches V8 revision information from a git-svn checkout. 50 51 OPTIONS: 52 -h Show this message. 53 54 -i Print revision info for all branches matching the V8 version. 55 Example usage: $0 -i 3.19.10$ 56 Output format: [Git hash] [SVN revision] [V8 version] 57 58 -v Print the V8 version tag for a trunk SVN revision. 59 Example usage: $0 -v 14981 60 Output format: [V8 version] 61 62 -m Print all patches that were merged to the specified V8 branch. 63 Example usage: $0 -m 3.18 64 Output format: [V8 version] [SVN revision] [SVN patch merged]*. 65 66 -p Print all patches merged to a specific V8 point-release. 67 Example usage: $0 -p 3.19.12.1 68 Output format: [SVN patch merged]* 69 70 -u Print a link to all SVN revisions between two V8 revision tags. 71 Example usage: $0 -u 3.19.10:3.19.11 72 EOF 73 } 74 75 tags() { 76 git for-each-ref --format="%(objectname) %(refname:short)" refs/remotes/svn 77 } 78 79 tag_revision() { 80 cut -d" " -f1 81 } 82 83 tag_log() { 84 git log --format="%h %ci %ce %s" -1 $1 85 } 86 87 v8_hash() { 88 tags | grep "svn/tags/$1$" | tag_revision 89 } 90 91 point_merges() { 92 echo $1 | grep -o "r[0-9]\+" 93 } 94 95 hash_to_svn() { 96 git svn log -1 --oneline $1 | cut -d" " -f1 97 } 98 99 tag_version() { 100 tags | grep svn/tags/$1 | while read tag; do 101 id=$(echo $tag | grep -o "[^/]*$") 102 rev=$(echo $tag | tag_revision) 103 svn=$(hash_to_svn $rev) 104 echo $rev $svn $id 105 done 106 } 107 108 svn_rev() { 109 git svn find-rev $2 svn/$1 110 } 111 112 v8_rev() { 113 cd $(git rev-parse --show-toplevel) 114 rev=$(git show $1:$VERSION \ 115 | grep "#define" \ 116 | grep "$MAJOR\|$MINOR\|$BUILD\|$PATCH" \ 117 | grep -o "[0-9]\+$" \ 118 | tr "\\n" ".") 119 echo ${rev%?} 120 } 121 122 merges_to_branch() { 123 git cherry -v svn/trunk svn/$1 | while read merge; do 124 h=$(echo $merge | cut -d" " -f2) 125 svn=$(svn_rev $1 $h) 126 merges=$(echo $merge | grep -o "r[0-9]\+") 127 rev=$(v8_rev $h) 128 echo $rev r$svn $merges 129 done 130 } 131 132 url_for() { 133 first=$(svn_rev trunk $(v8_hash $(echo $1 | cut -d":" -f1))) 134 last=$(svn_rev trunk $(v8_hash $(echo $1 | cut -d":" -f2))) 135 num=$[ $last - $first] 136 echo "$BASE_URL?num=$num&start=$last" 137 } 138 139 ########## Option parsing 140 141 while getopts ":hi:v:m:p:u:" OPTION ; do 142 case $OPTION in 143 h) usage 144 exit 0 145 ;; 146 i) tag_version $OPTARG 147 ;; 148 v) v8_rev $(svn_rev trunk r$OPTARG) 149 ;; 150 m) merges_to_branch $OPTARG 151 ;; 152 p) echo $(point_merges "$(tag_log $(v8_hash $OPTARG)^1)") 153 ;; 154 u) url_for $OPTARG 155 ;; 156 ?) echo "Illegal option: -$OPTARG" 157 usage 158 exit 1 159 ;; 160 esac 161 done 162
