1#!/bin/bash 2# 3# Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. 4# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5# 6# This code is free software; you can redistribute it and/or modify it 7# under the terms of the GNU General Public License version 2 only, as 8# published by the Free Software Foundation. 9# 10# This code is distributed in the hope that it will be useful, but WITHOUT 11# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13# version 2 for more details (a copy is included in the LICENSE file that 14# accompanied this code). 15# 16# You should have received a copy of the GNU General Public License version 17# 2 along with this work; if not, write to the Free Software Foundation, 18# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19# 20# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 21# or visit www.oracle.com if you need additional information or have any 22# questions. 23# 24 25# Script for updating a patch file as per the shuffled/unshuffled source location. 26 27usage() { 28 echo "Usage: $0 [-h|--help] [-v|--verbose] [-to9|-to10] [-r <repo>] <input_patch> <output_patch>" 29 echo "where:" 30 echo " -to9 create patches appropriate for a JDK 9 source tree" 31 echo " When going to 9, the output patches will be suffixed with the" 32 echo " repo name" 33 echo " -to10 create patches appropriate for a JDK 10 source tree" 34 echo " -r <repo> specify repo for source patch, set to 'top' for top repo" 35 echo " <input_patch> is the input patch file, that needs shuffling/unshuffling" 36 echo " <output_patch> is the updated patch file " 37 echo " " 38 exit 1 39} 40 41SCRIPT_DIR=`dirname $0` 42UNSHUFFLE_LIST=$SCRIPT_DIR"/unshuffle_list.txt" 43 44if [ ! -f "$UNSHUFFLE_LIST" ] ; then 45 echo "FATAL: cannot find $UNSHUFFLE_LIST" >&2 46 exit 1 47fi 48 49vflag="false" 50while [ $# -gt 0 ] 51do 52 case $1 in 53 -h | --help ) 54 usage 55 ;; 56 57 -v | --verbose ) 58 vflag="true" 59 ;; 60 61 -r) 62 repo="$2" 63 shift 64 ;; 65 66 -to9) 67 shuffle_to=9 68 ;; 69 70 -to10) 71 shuffle_to=10 72 ;; 73 74 -*) # bad option 75 usage 76 ;; 77 78 * ) # non option 79 break 80 ;; 81 esac 82 shift 83done 84 85# Make sure we have the right number of arguments 86if [ ! $# -eq 2 ] ; then 87 echo "ERROR: Invalid number of arguments." >&2 88 usage 89fi 90 91# Check the given repo 92repos="top corba jaxp jaxws jdk langtools nashorn hotspot" 93found="false" 94if [ -n "$repo" ]; then 95 for r in $repos ; do 96 if [ $repo = "$r" ] ; then 97 found="true" 98 break; 99 fi 100 done 101 if [ $found = "false" ] ; then 102 echo "ERROR: Unknown repo: $repo. Should be one of [$repos]." >&2 103 usage 104 fi 105fi 106 107if [ "$shuffle_to" != "9" -a "$shuffle_to" != "10" ]; then 108 echo "ERROR: Must pick either -to9 or -to10" 109 exit 1 110fi 111 112# When going to 10, a repo must be specified for the source patch 113if [ "$shuffle_to" = "10" -a -z "$repo" ]; then 114 echo "ERROR: Must specify src repo for JDK 9 patch" 115 exit 1 116fi 117 118# Check given input/output files 119input="$1" 120if [ "x$input" = "x-" ] ; then 121 input="/dev/stdin" 122fi 123 124if [ ! -f $input -a "x$input" != "x/dev/stdin" ] ; then 125 echo "ERROR: Cannot find input patch file: $input" >&2 126 exit 1 127fi 128 129output="$2" 130if [ "x$output" = "x-" ] ; then 131 output="/dev/stdout" 132fi 133base_output="$output" 134 135if [ "$shuffle_to" = "10" ]; then 136 if [ -f $output -a "x$output" != "x/dev/stdout" ] ; then 137 echo "ERROR: Output patch already exists: $output" >&2 138 exit 1 139 fi 140else 141 for r in $repos; do 142 if [ -f "$output.$r" ]; then 143 echo "ERROR: Output patch already exists: $output.$r" >&2 144 exit 1 145 fi 146 done 147fi 148 149verbose() { 150 if [ ${vflag} = "true" ] ; then 151 echo "$@" >&2 152 fi 153} 154 155unshuffle() { 156 line=$@ 157 verbose "Attempting to rewrite: \"$line\"" 158 159 # Retrieve the file name 160 path= 161 if echo "$line" | egrep '^diff' > /dev/null ; then 162 if ! echo "$line" | egrep '\-\-git' > /dev/null ; then 163 echo "ERROR: Only git patches supported. Please use 'hg export --git ...'." >&2 164 exit 1 165 fi 166 path="`echo "$line" | sed -e s@'diff --git a/'@@ -e s@' b/.*$'@@`" 167 elif echo "$line" | egrep '^\-\-\-' > /dev/null ; then 168 path="`echo "$line" | sed -e s@'--- a/'@@`" 169 elif echo "$line" | egrep '^\+\+\+' > /dev/null ; then 170 path="`echo "$line" | sed s@'+++ b/'@@`" 171 fi 172 verbose "Extracted path: \"$path\"" 173 174 # Find the most specific matches in the shuffle list 175 matches= 176 if [ -n "$repo" -a "$repo" != "top" ]; then 177 matchpath="$repo"/"$path"/x 178 else 179 matchpath="$path"/x 180 fi 181 while [ "$matchpath" != "" ] ; do 182 matchpath="`echo $matchpath | sed s@'\(.*\)/.*$'@'\1'@`" 183 184 if [ "$shuffle_to" = "10" ] ; then 185 pattern=": $matchpath$" 186 else 187 pattern="^$matchpath :" 188 fi 189 verbose "Attempting to find \"$matchpath\"" 190 matches=`egrep "$pattern" "$UNSHUFFLE_LIST"` 191 if ! [ "x${matches}" = "x" ] ; then 192 verbose "Got matches: [$matches]" 193 break; 194 fi 195 196 if ! echo "$matchpath" | egrep '.*/.*' > /dev/null ; then 197 break; 198 fi 199 done 200 201 # Rewrite the line, if we have a match 202 if ! [ "x${matches}" = "x" ] ; then 203 shuffled="${matches%% : *}" 204 unshuffled="${matches#* : }" 205 patch_suffix_9="" 206 for r in $repos; do 207 if [ "$unshuffled" != "${unshuffled#$r}" ]; then 208 unshuffled="${unshuffled#$r\/}" 209 patch_suffix_9=".$r" 210 fi 211 done 212 verbose "shuffled: $shuffled" 213 verbose "unshuffled: $unshuffled" 214 verbose "patch_suffix_9: $patch_suffix_9" 215 if [ "$shuffle_to" = "10" ] ; then 216 newline="`echo "$line" | sed -e s@"$unshuffled"@"$shuffled"@g`" 217 else 218 newline="`echo "$line" | sed -e s@"$shuffled"@"$unshuffled"@g`" 219 output=$base_output$patch_suffix_9 220 verbose "Writing to $output" 221 fi 222 verbose "Rewriting to \"$newline\"" 223 echo "$newline" >> $output 224 else 225 echo "WARNING: no match found for $path" 226 echo "$line" >> $output 227 fi 228} 229 230while IFS= read -r line 231do 232 if echo "$line" | egrep '^diff|^\-\-\-|^\+\+\+' > /dev/null ; then 233 unshuffle "$line" 234 else 235 printf "%s\n" "$line" >> $output 236 fi 237done < "$input" 238