#
# 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