#

# set +o errexit -o noglob -o nounset is assumed.

#

pkgp_fetch_extract_type() {

	local _fname="${1}";

	if [ "${1##*.tar.}" != "${1}" ]; then

		printf "%s" "${1##*.tar.}";

	elif [ "${1##*.t}" != "${1}" ]; then

		printf "%s" "${1##*.t}";

	fi;

};

pkg_fetch_extract() {

	if [ -n "${PKG_URL:-}" ]; then

		_oldpwd="${PWD}";

		if ! rtl_fileop cd "${PKG_BASE_DIR}"\

		|| ! rtl_fileop rm "${PKG_BASE_DIR}/${PKG_SUBDIR}"; then

			rtl_fileop cd "${_oldpwd}"; return 1;

		else

			case "$(pkgp_fetch_extract_type "${PKG_NAME}")" in

			bz2)	bunzip2 -d < "${BUILD_DLCACHEDIR}/${PKG_NAME}/${PKG_FNAME}" | tar -C "${PKG_BASE_DIR}" -xf -; ;;

			gz)	gunzip -d < "${BUILD_DLCACHEDIR}/${PKG_NAME}/${PKG_FNAME}" | tar -C "${PKG_BASE_DIR}" -xf -; ;;

			lz)	lzip -d < "${BUILD_DLCACHEDIR}/${PKG_NAME}/${PKG_FNAME}" | tar -C "${PKG_BASE_DIR}" -xf -; ;;

			xz)	xz -d < "${BUILD_DLCACHEDIR}/${PKG_NAME}/${PKG_FNAME}" | tar -C "${PKG_BASE_DIR}" -xf -; ;;

			*)	tar -C "${PKG_BASE_DIR}" -xf "${BUILD_DLCACHEDIR}/${PKG_NAME}/${PKG_FNAME}"; ;;

			esac;

			if [ "${?}" -ne 0 ]; then

				rtl_fileop cd "${_oldpwd}"; return 1;

			else

				rtl_fileop cd "${_oldpwd}";

			fi;

		fi;

	fi;

};

# vim:filetype=sh