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#!/bin/bash
# compare filenames in 2 tarballs, except /usr/doc/blah-<version> dirs
# get treated specially.
if [ "$1" = "--help" ]; then
cat <<EOF
slackpkgdiff - compare contents of 2 Slackware packages without installing them
Usage: slackpkgdiff pkg1 pkg2
EOF
fi
pkg_name() {
echo "$1" | sed 's,.*/,,' | sed 's,\.[^.]*$,,'
}
list_tar() {
pkg="$( echo $1 | sed 's,\.[^.]*,,' )"
tar tf "$1" | sed 's,usr/doc/[^/]*/,usr/doc/@DOCDIR@/,' | sort > $DIR/$( pkg_name "$1" )
}
DIR=/tmp/pkgdiff.$RANDOM.$$
mkdir -p $DIR || exit 1
list_tar "$1"
list_tar "$2"
diff $DIR/$( pkg_name "$1" ) $DIR/$( pkg_name "$2" )
ret="$?"
rm -rf $DIR
return "$ret"
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