#
# 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