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#!/bin/bash
# Use this script to build MegaGlest Data Diff Archive for a Version Release
# ----------------------------------------------------------------------------
# Written by Mark Vejvoda <mark_vejvoda@hotmail.com>
# Copyright (c) 2011 Mark Vejvoda under GNU GPL v3.0+
# This script compares two mega-glest data content folders for file differences,
# then creates an archive of ONLY the differences (including files ONLY in new version)
# Consider setting this for small packages if there's plenty of RAM and CPU available:
#export XZ_OPT="$XZ_OPT -9e"
OLD_VERSION=`./mg-version.sh --oldversion`
VERSION=`./mg-version.sh --version`
NEW_SUBFOLDER_PATH="megaglest-$VERSION"
cd release
CURDIR="`pwd`"
cd ..
RELEASENAME=megaglest-data-updates-$VERSION
cd $CURDIR
echo "Creating data package $RELEASENAME (comparing against $OLD_VERSION)"
#if [ ! -e megaglest-data-$VERSION-changes.txt ]; then
diff --strip-trailing-cr --brief -r -x "*~" megaglest-data-$OLD_VERSION/megaglest-$OLD_VERSION megaglest-data-$VERSION/megaglest-$VERSION > megaglest-data-$VERSION-changes.txt
#fi
cd megaglest-data-$VERSION
[[ -f "../megaglest-data-$VERSION-fileslist.txt" ]] && rm "../megaglest-data-$VERSION-fileslist.txt"
cat ../megaglest-data-$VERSION-changes.txt | while read line;
do
#echo "$line" # Output the line itself.
#echo `expr match "$line" 'megaglest-data-$VERSION'`
#addfilepos=`expr match "$line" 'megaglest-data-$VERSION'`
#echo [$line]
#echo `awk "BEGIN {print index(\"$line\", \"megaglest-data-$VERSION\")}"`
addfilepos=`awk "BEGIN {print index(\"$line\", \"megaglest-data-$VERSION\")}"`
#echo [$addfilepos]
#echo [${line:$addfilepos-1}]
#echo [Looking for ONLY in: `expr match "$line" 'Only in '`]
onlyinpos=`expr match "$line" "Only in "`
#echo [$onlyinpos]
if [ "$onlyinpos" -eq "8" ]; then
echo **NOTE: Found ONLY IN string... original line [${line}]
onlyinpos=`expr match "$line" "Only in megaglest-data-$VERSION"`
if [ "$onlyinpos" -ge "24" ]; then
line=${line:$addfilepos-1}
line=${line/: //}
line=${line/megaglest-data-$VERSION\/}
echo New path: [$line]
else
echo **NOTE: skipping file since it is not in current version [${line}] match [$onlyinpos]
line=
echo New path: [$line]
fi
else
echo Section B ... original line [${line}]
line=${line:$addfilepos-1}
line=${line/ differ/}
line=${line/megaglest-data-$VERSION\/}
echo New path: [$line]
fi
#compress_files="${compress_files} ${line}"
#echo compress_files = [$compress_files]
#echo ${line##megaglest-data-$VERSION*}
if [ -n "${line}" ]; then
echo "${line} " >> ../megaglest-data-$VERSION-fileslist.txt
fi
done
#exit
files_list=`cat ../megaglest-data-$VERSION-fileslist.txt`
#echo compress_files = [$files_list]
[[ -f "../$RELEASENAME.tar.xz" ]] && rm "../$RELEASENAME.tar.xz"
echo Current Folder is [`pwd`]
#echo 7za a "../$RELEASENAME.7z" $files_list
#7za a -mx=9 -ms=on -mhc=on "../$RELEASENAME.7z" $files_list
tar -cf - --add-file $files_list | xz > ../$RELEASENAME.tar.xz
cd ..
cd ..
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