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

rtl_state_clear() {
	local _workdir="${1}" _pkg_name="${2}" _pkg_fname="";
	for _pkg_fname in $(find "${_workdir}"				\
			-maxdepth 1 -mindepth 1 -name .${_pkg_name}.\* -type f); do
		rtl_fileop rm "${_pkg_fname}";
	done;
};

rtl_state_set() {
	local	_workdir="${1}" _pkg_fname="${2}" _build_step="${3}"	\
		_done_fname_pfx="${1}/.${2}"; shift 3;

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

rtl_state_test() {
	local	_workdir="${1}" _pkg_name="${2}" _build_steps="${3}"	\
		_restart_at="${4:-}" _build_step="" _done_fname=""	\
		IFS="," _rc=0;

	for _build_step in ${_build_steps}; do
		_done_fname="${_workdir}/.${_pkg_name}.${_build_step}";
		if [ "${_restart_at:+1}" != 1 ]\
		|| [ "${_restart_at}" = "LAST" ]; then
			rtl_fileop test "${_done_fname}"; _rc="${?}";
		elif [ "${_restart_at}" = "ALL" ]; then
			_rc=1;
		else
			rtl_lmatch "${_restart_at}" "${_build_step}" ",";
			_rc=$((${?} ? 0 : 1));
		fi; [ "${_rc}" -eq 0 ] && break;
	done; return "${_rc}";
};

# vim:filetype=sh