#

# set -o errexit -o noglob are assumed.

#

ex_pkg_dispatch() {

	local _tgt_name="${1}" _pkg_name="${2}"		\

		_restart="${3}" _restart_at="${4}"	\

		_stdout_path _stderr_path		\

		_pipe_path _pipe_path2	_pipe_msg	\

		_script_rc=1;

	if ex_pkg_state_test "${_pkg_name}" finish	\

	&& [ -z "${_restart}" ]				\

	&& [ "${_tgt_name}" != "INVARIANTS" ]; then

		return 0;

	else

		_pipe_path="${WORKDIR}/${_pkg_name}_build.fifo";

		ex_build_fileop rm "${_pipe_path}"; mkfifo "${_pipe_path}";

		_pipe2_path="${WORKDIR}/${_pkg_name}_build2.fifo";

		ex_build_fileop rm "${_pipe2_path}"; mkfifo "${_pipe2_path}";

		_stderr_path="${WORKDIR}/${_pkg_name}_stderr.log";

		_stdout_path="${WORKDIR}/${_pkg_name}_stdout.log";

		ex_build_fileop rm "${_stderr_path}" "${_stdout_path}";

	fi;

	(set -o errexit -o noglob;

	ex_pkg_vars; ex_pkg_env;

	ex_pkg_steps "${_tgt_name}" "${_pkg_name}"	\

		"${_restart}" "${_restart_at}";

	echo "done ${PKG_BASE_DIR}" >&3; read __ <&4;)	\

		1>"${_stdout_path}" 2>"${_stderr_path}"	\

		3<>"${_pipe_path}" 4<>"${_pipe2_path}" &

	while read _pipe_msg <"${_pipe_path}"; do

	case "${_pipe_msg%% *}" in

	done)	echo >"${_pipe2_path}"; _script_rc=0; break; ;;

	*)	break; ;;

	esac; done;

	ex_build_fileop rm "${_pipe_path}" "${_pipe2_path}";

	return "${_script_rc:-1}";

};

# vim:filetype=sh