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36 lines
950 B
36 lines
950 B
15 years ago
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#!/bin/bash
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test -z "$1" && { echo "parameter oldtarball required"; exit 1; }
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test -z "$2" && { echo "parameter newtarball required"; exit 1; }
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cleanupfiles=""
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if test `basename $1 .bz2` != $1; then
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echo "bunzip2 $1"
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bunzip2 -c $1 > `basename $1 .bz2`
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cleanupfiles="$cleanupfiles `basename $1 .bz2`"
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fi
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if test `basename $2 .bz2` != $2; then
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echo "bunzip2 $2"
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bunzip2 -c $2 > `basename $2 .bz2`
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cleanupfiles="$cleanupfiles `basename $2 .bz2`"
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fi
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oldtarball=`basename $1 .bz2`
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newtarball=`basename $2 .bz2`
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package=`echo $newtarball | sed -e 's,-[^-]*$,,'`
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oldversion=`basename $oldtarball .tar | sed -e s,$package-,,`
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newversion=`basename $newtarball .tar | sed -e s,$package-,,`
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diffname="$package-$oldversion-$newversion.tar.xdelta"
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echo "xdelta $oldtarball $newtarball $diffname"
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xdelta delta -9 -m 64M $oldtarball $newtarball $diffname
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if test -n "$cleanupfiles"; then
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echo "rm -f $cleanupfiles"
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rm -f $cleanupfiles
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fi
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