#

# set -o errexit -o noglob are assumed.

#

pkgp_fetch_git() {

	local _tgtdir="${1}" _subdir="${2}" _url="${3}" _branch="${4}";

	if [ "${ARG_OFFLINE:-0}" -eq 0 ]; then

		if [ -e "${DLCACHEDIR}/${_subdir}" ]; then

			(ex_build_fileop cd "${DLCACHEDIR}/${_subdir}" &&\

				git pull origin "${_branch:-main}");

		else

			git clone "${_url}" "${DLCACHEDIR}/${_subdir}";

			if [ -n "${_branch}" -a		\

			     \( -z "${_branch#main}" \) -a	\

			     \( -z "${_branch#master}" \) ]; then

				(ex_build_fileop cd "${DLCACHEDIR}/${_subdir}"	&&\

					git checkout -b "${_branch}");

			fi;

		fi;

	fi;

	ex_build_fileop rm "${_tgtdir}/${_subdir}";

	ex_build_fileop cp "${DLCACHEDIR}/${_subdir}" "${_tgtdir}";

};

pkgp_fetch_urls_git() {

	local _tgtdir _url_spec _subdir _url _git_branch;

	_tgtdir="${1}"; shift; 

	for _url_spec in "${@}"; do

		_subdir="${_url_spec%=*}";

		_url="${_url_spec#*=}";

		_url="${_url%@*}";

		if [ "${_url_spec#*@}" != "${_url_spec}" ]; then

			_git_branch=${_url_spec#*@};

		fi;

		pkgp_fetch_git "${_tgtdir}" "${_subdir}" "${_url}" "${_git_branch}";

	done;

};

pkg_fetch_git() {

	if [ ${#} -gt 0 ]; then

		pkgp_fetch_urls_git "${PKG_BASE_DIR}" "${@}";

	else

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

			pkgp_fetch_urls_git "${PKG_BASE_DIR}" ${PKG_URLS_GIT};

		fi;

	fi;

};

# vim:filetype=sh