#! /bin/sh
# create pak files with gzipped internals

if [ $# -eq 0 ]; then
	echo "usage: $0 <pakfile> ..."
	exit 1
fi

tmpdir=/var/tmp/zpak.$$

for pakfile in $*; do
	[ ! -f ${pakfile} ] && echo "${pakfile} not found" && continue
	[ "${pakfile#/}" = "${pakfile}" ] && pakfile=${PWD}/${pakfile}

	mkdir ${tmpdir}
	cd ${tmpdir}
	pak -vxf ${pakfile}

	# cosmetic (gzip preserves timestamps.. could come in handy)
	find * -type f \
	-exec touch -r ${pakfile} {} \;

	find * -type f \
	! -name '*.gz' ! -name '*.jpg' ! -name '*.ogg' ! -name '*.png' \
	-exec gzip -v9 {} \;

	mv ${pakfile} ${pakfile}.bak
	pak -vcf ${pakfile} $(find * -type f | sort)

	cd -
	rm -rf ${tmpdir}
done