#

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

#

pkgp_fetch_extract_type() {

	local _ppfet_fname="${1}" _ppfet_rtype="${2#\$}";

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

		eval ${_ppfet_rtype}='${1##*.tar.}';

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

		eval ${_ppfet_rtype}='${1##*.t}';

	fi;

	return 0;

};

pkg_fetch_extract() {

	local	_pfe_group_name="${1}" _pfe_pkg_name="${2}" _pfe_restart_at="${3}"	\

		_pfe_type="";

	if [ "${PKG_URL:+1}" = 1 ]; then

		_pfe_oldpwd="${PWD}";

		if ! rtl_fileop cd "${PKG_BASE_DIR}"\

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

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

		else

			pkgp_fetch_extract_type "${PKG_NAME}" \$_pfe_type;

			case "${_pfe_type}" 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 "${_pfe_oldpwd}"; return 1;

			else

				rtl_fileop cd "${_pfe_oldpwd}";

			fi;

		fi;

	fi;

	return 0;

};

# vim:filetype=sh textwidth=0