#
# set -o errexit -o noglob are assumed.
#

pkg_extract() {
	if [ -n "${PKG_URL}" ]\
	&& [ "${PKG_URL_TYPE:-wget}" = wget ]; then
		build_fileop rm "${WORKDIR}/${PKG_SUBDIR}";
		if [ "${PKG_SUBDIR_CREATE:-0}" -eq 1 ]; then
			build_fileop mkdir "${WORKDIR}/${PKG_SUBDIR}";
		fi;
		if [ "${PKG_FNAME##*.tar.}" = "bz2" ]; then
			bunzip2 -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		elif [ "${PKG_FNAME##*.tar.}" = "gz" ]; then
			gunzip -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		elif [ "${PKG_FNAME##*.tar.}" = "xz" ]; then
			xz -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		elif [ "${PKG_FNAME##*.t}" = "bz2" ]; then
			bunzip2 -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		elif [ "${PKG_FNAME##*.t}" = "gz" ]; then
			gunzip -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		elif [ "${PKG_FNAME##*.t}" = "xz" ]; then
			xz -d < "${DLCACHEDIR}/${PKG_FNAME}" | tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf -;
		else
			tar -C "${WORKDIR}${PKG_SUBDIR_CREATE:+/${PKG_SUBDIR}}" -xf "${DLCACHEDIR}/${PKG_FNAME}";
		fi;
	fi;
};

# vim:filetype=sh