test -d $dstdir || unpack $dst
if diff -Nur $srcdir $dstdir > $patch; then
echo "No diffs!"
+ rm $patch
else
echo "Patch created"
ls -lh $patch
diffstat $patch | tee $patch.diff
cat $patch.diff $patch | xz -9 > $patch.xz
+ rm $patch.diff $patch
fi
rm -rf $dstdir $srcdir