author | simonis |
Tue, 12 Jun 2018 13:00:50 +0530 | |
changeset 50992 | faf1cd52a5b7 |
parent 47217 | 72e3ae9a25eb |
permissions | -rw-r--r-- |
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#!/bin/bash |
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# |
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# Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. |
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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# |
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# This code is free software; you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License version 2 only, as |
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# published by the Free Software Foundation. |
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# |
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# This code is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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# version 2 for more details (a copy is included in the LICENSE file that |
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# accompanied this code). |
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# |
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# You should have received a copy of the GNU General Public License version |
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# 2 along with this work; if not, write to the Free Software Foundation, |
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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# |
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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# or visit www.oracle.com if you need additional information or have any |
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# questions. |
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# |
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# Script for updating a patch file as per the shuffled/unshuffled source location. |
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usage() { |
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echo "Usage: $0 [-h|--help] [-v|--verbose] [-to9|-to10] [-r <repo>] <input_patch> <output_patch>" |
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echo "where:" |
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echo " -to9 create patches appropriate for a JDK 9 source tree" |
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echo " When going to 9, the output patches will be suffixed with the" |
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echo " repo name" |
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echo " -to10 create patches appropriate for a JDK 10 source tree" |
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echo " -r <repo> specify repo for source patch, set to 'top' for top repo" |
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echo " <input_patch> is the input patch file, that needs shuffling/unshuffling" |
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echo " <output_patch> is the updated patch file " |
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echo " " |
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exit 1 |
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} |
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SCRIPT_DIR=`dirname $0` |
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UNSHUFFLE_LIST=$SCRIPT_DIR"/unshuffle_list.txt" |
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if [ ! -f "$UNSHUFFLE_LIST" ] ; then |
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echo "FATAL: cannot find $UNSHUFFLE_LIST" >&2 |
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exit 1 |
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fi |
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vflag="false" |
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while [ $# -gt 0 ] |
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do |
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case $1 in |
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-h | --help ) |
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usage |
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;; |
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-v | --verbose ) |
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vflag="true" |
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;; |
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-r) |
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repo="$2" |
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shift |
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;; |
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-to9) |
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shuffle_to=9 |
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;; |
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-to10) |
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shuffle_to=10 |
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;; |
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-*) # bad option |
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usage |
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;; |
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* ) # non option |
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break |
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;; |
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esac |
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shift |
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done |
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# Make sure we have the right number of arguments |
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if [ ! $# -eq 2 ] ; then |
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echo "ERROR: Invalid number of arguments." >&2 |
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usage |
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fi |
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# Check the given repo |
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repos="top corba jaxp jaxws jdk langtools nashorn hotspot" |
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found="false" |
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if [ -n "$repo" ]; then |
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for r in $repos ; do |
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if [ $repo = "$r" ] ; then |
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found="true" |
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break; |
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fi |
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done |
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if [ $found = "false" ] ; then |
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echo "ERROR: Unknown repo: $repo. Should be one of [$repos]." >&2 |
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usage |
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fi |
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fi |
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if [ "$shuffle_to" != "9" -a "$shuffle_to" != "10" ]; then |
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echo "ERROR: Must pick either -to9 or -to10" |
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exit 1 |
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fi |
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# When going to 10, a repo must be specified for the source patch |
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if [ "$shuffle_to" = "10" -a -z "$repo" ]; then |
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echo "ERROR: Must specify src repo for JDK 9 patch" |
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exit 1 |
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fi |
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# Check given input/output files |
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input="$1" |
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if [ "x$input" = "x-" ] ; then |
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input="/dev/stdin" |
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fi |
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if [ ! -f $input -a "x$input" != "x/dev/stdin" ] ; then |
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echo "ERROR: Cannot find input patch file: $input" >&2 |
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exit 1 |
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fi |
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output="$2" |
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if [ "x$output" = "x-" ] ; then |
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output="/dev/stdout" |
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fi |
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base_output="$output" |
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if [ "$shuffle_to" = "10" ]; then |
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if [ -f $output -a "x$output" != "x/dev/stdout" ] ; then |
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echo "ERROR: Output patch already exists: $output" >&2 |
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exit 1 |
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fi |
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else |
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for r in $repos; do |
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if [ -f "$output.$r" ]; then |
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echo "ERROR: Output patch already exists: $output.$r" >&2 |
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exit 1 |
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fi |
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done |
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fi |
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verbose() { |
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if [ ${vflag} = "true" ] ; then |
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echo "$@" >&2 |
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fi |
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} |
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unshuffle() { |
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line=$@ |
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verbose "Attempting to rewrite: \"$line\"" |
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# Retrieve the file name |
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path= |
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if echo "$line" | egrep '^diff' > /dev/null ; then |
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if ! echo "$line" | egrep '\-\-git' > /dev/null ; then |
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echo "ERROR: Only git patches supported. Please use 'hg export --git ...'." >&2 |
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exit 1 |
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fi |
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path="`echo "$line" | sed -e s@'diff --git a/'@@ -e s@' b/.*$'@@`" |
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elif echo "$line" | egrep '^\-\-\-' > /dev/null ; then |
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path="`echo "$line" | sed -e s@'--- a/'@@`" |
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elif echo "$line" | egrep '^\+\+\+' > /dev/null ; then |
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path="`echo "$line" | sed s@'+++ b/'@@`" |
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fi |
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verbose "Extracted path: \"$path\"" |
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# Find the most specific matches in the shuffle list |
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matches= |
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if [ -n "$repo" -a "$repo" != "top" ]; then |
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matchpath="$repo"/"$path"/x |
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else |
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matchpath="$path"/x |
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fi |
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while [ "$matchpath" != "" ] ; do |
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matchpath="`echo $matchpath | sed s@'\(.*\)/.*$'@'\1'@`" |
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if [ "$shuffle_to" = "10" ] ; then |
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pattern=": $matchpath$" |
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else |
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pattern="^$matchpath :" |
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fi |
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verbose "Attempting to find \"$matchpath\"" |
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matches=`egrep "$pattern" "$UNSHUFFLE_LIST"` |
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if ! [ "x${matches}" = "x" ] ; then |
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verbose "Got matches: [$matches]" |
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break; |
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fi |
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if ! echo "$matchpath" | egrep '.*/.*' > /dev/null ; then |
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break; |
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fi |
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done |
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# Rewrite the line, if we have a match |
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if ! [ "x${matches}" = "x" ] ; then |
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shuffled="${matches%% : *}" |
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unshuffled="${matches#* : }" |
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patch_suffix_9="" |
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for r in $repos; do |
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if [ "$unshuffled" != "${unshuffled#$r}" ]; then |
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unshuffled="${unshuffled#$r\/}" |
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patch_suffix_9=".$r" |
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fi |
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done |
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verbose "shuffled: $shuffled" |
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verbose "unshuffled: $unshuffled" |
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verbose "patch_suffix_9: $patch_suffix_9" |
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if [ "$shuffle_to" = "10" ] ; then |
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newline="`echo "$line" | sed -e s@"$unshuffled"@"$shuffled"@g`" |
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else |
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newline="`echo "$line" | sed -e s@"$shuffled"@"$unshuffled"@g`" |
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output=$base_output$patch_suffix_9 |
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verbose "Writing to $output" |
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fi |
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verbose "Rewriting to \"$newline\"" |
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echo "$newline" >> $output |
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else |
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echo "WARNING: no match found for $path" |
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echo "$line" >> $output |
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fi |
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} |
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while IFS= read -r line |
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do |
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if echo "$line" | egrep '^diff|^\-\-\-|^\+\+\+' > /dev/null ; then |
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unshuffle "$line" |
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else |
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printf "%s\n" "$line" >> $output |
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fi |
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done < "$input" |