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

rtl_state_clear() {
	local	_rsc_workdir="${1}" _rsc_pkg_name="${2}"	\
		_rsc_pkg_fname="";

	for _rsc_pkg_fname in $(
		find "${_rsc_workdir}"			\
			-maxdepth 1			\
			-mindepth 1			\
			-name .${_rsc_pkg_name}.\*	\
			-type f);
	do
		rtl_fileop rm "${_rsc_pkg_fname}";
	done;
	return 0;
};

rtl_state_set() {
	local	_rss_workdir="${1}" _rss_pkg_fname="${2}" _rss_build_step="${3}"	\
		_rss_done_fname_pfx="${1}/.${2}";
	shift 3;

	rtl_fileop touch "${_rss_done_fname_pfx}.${_rss_build_step}";
	while [ ${#} -ge 1 ]; do
		if [ "${#1}" -gt 0 ]; then
			rtl_fileop rm "${_rss_done_fname_pfx}.${1}";
		fi; shift;
	done;
	return 0;
};

rtl_state_test() {
	local	_rst_workdir="${1}" _rst_pkg_name="${2}" _rst_build_steps="${3}"	\
		_rst_restart_at="${4:-}" _rst_build_step="" _rst_done_fname=""		\
		IFS="," _rst_rc=0;

	for _rst_build_step in ${_rst_build_steps}; do
		_rst_done_fname="${_rst_workdir}/.${_rst_pkg_name}.${_rst_build_step}";
		if [ "${_rst_restart_at:+1}" != 1 ]\
		|| [ "${_rst_restart_at}" = "LAST" ]; then
			rtl_fileop test "${_rst_done_fname}"; _rst_rc="${?}";
		elif [ "${_rst_restart_at}" = "ALL" ]; then
			_rst_rc=1;
		else
			rtl_lmatch \$_rst_restart_at "${_rst_build_step}" ",";
			_rst_rc=$((${?} ? 0 : 1));
		fi; [ "${_rst_rc}" -eq 0 ] && break;
	done;
	return "${_rst_rc}";
};

# vim:filetype=sh