#

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

#

pkg_fetch_download_dlcache_subdir() {

	if [ -n "${PKG_INHERIT_FROM:-}" ]\

	&& ! [ -e "${BUILD_DLCACHEDIR}/${PKG_NAME}" ]\

	&& ! rtl_fileop ln_symbolic "${PKG_INHERIT_FROM}" "${BUILD_DLCACHEDIR}/${PKG_NAME}"; then

		return 1;

	elif [ -z "${PKG_INHERIT_FROM:-}" ]\

	&& ! [ -e "${BUILD_DLCACHEDIR}/${PKG_NAME}" ]\

	&& ! rtl_fileop mkdir "${BUILD_DLCACHEDIR}/${PKG_NAME}"; then

		return 1;

	else

		return 0;

	fi;

};

pkg_fetch_download() {

	local _fname="";

	if [ "${ARG_FETCH_FORCE:-}" != "offline" ]; then

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

			if ! pkg_fetch_download_dlcache_subdir; then

				return 1;

			elif ! rtl_fetch_url_wget	\

					"${PKG_URL}" "${PKG_SHA256SUM}" "${BUILD_DLCACHEDIR}/${PKG_NAME}"\

					"${PKG_FNAME}" "${PKG_NAME}" "${PKG_MIRRORS:-}"; then

				return 1;

			else

				for _fname in $(find					\

						"${BUILD_DLCACHEDIR}/${PKG_NAME}"	\

						-type f					\

						-not -name "${PKG_FNAME}"		\

						-not -name "${PKG_FNAME}.fetched"); do

					rtl_log_msg notice "Deleting redundant file \`%s' for package \`%s'." "${_fname}" "${PKG_NAME}";

					rtl_fileop rm "${_fname}";

				done;

			fi;

		fi;

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

			if ! pkg_fetch_download_dlcache_subdir; then

				return 1;

			elif ! rtl_fetch_urls_git	\

					"${BUILD_DLCACHEDIR}/${PKG_NAME}" "${DEFAULT_GIT_ARGS}" "${PKG_BASE_DIR}"\

					"${PKG_NAME}" "${PKG_MIRRORS_GIT:-}" ${PKG_URLS_GIT}; then

				return 1;

			fi;

		fi;

	fi;

};

# vim:filetype=sh