#!/bin/sh

# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Lucía Andrea Illanes Albornoz <lucia@luciaillanes.de>

#

# {{{ buildp_ast($_param)

buildp_ast() {

	trap '' HUP INT TERM USR1 USR2;

	local	_bpa_param="${1}"				\

		_bpa_cmd="" _bpa_pids="" _bpa_pids_new=""	\

		_bpa_pids_niter=0 _bpa_pkg_name="";

	for _bpa_cmd in	\

			rtl_fileop rtl_kill_tree rtl_lconcat	\

			rtl_log_msg rtl_uniq rtl_state_clear;

	do

		if ! command -v "${_bpa_cmd}" >/dev/null 2>&1; then

			return 0;

		fi;

	done;

	if [ "${_bpa_param}" = "abort" ]; then

		rtl_log_msg "fatalexit" "${MSG_build_aborted}";

	fi;

	while [ "${_bpa_pids_niter}" -lt 8 ]; do

		rtl_lconcat \$_bpa_pids "${_bpa_pids_new}";

		_bpa_pids_new="";

		if ! rtl_kill_tree \$_bpa_pids_new "${$}" "TERM"\

		|| [ "${_bpa_pids_new:+1}" != 1 ]; then

			break;

		else

			: $((_bpa_pids_niter+=1));

		fi;

	done;

	if [ "${_bpa_pids:+1}" = 1 ]; then

		rtl_log_msg "verbose" "${MSG_build_killed_pids}" "$(rtl_uniq ${_bpa_pids})";

	fi;

	if [ "${BUILD_PKG_WAIT:+1}" = 1 ]\

	&& [ "${ARG_RESET_PKG}" -eq 1 ]; then

		for _bpa_pkg_name in ${BUILD_PKG_WAIT}; do

			rtl_state_clear "${BUILD_WORKDIR}" "${_bpa_pkg_name}";

		done;

		rtl_log_msg "verbose" "${MSG_build_reset_pkg_state}" "${BUILD_PKG_WAIT}";

	fi;

	if [ "${DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME:+1}" = 1 ]; then

		rtl_fileop rm "${DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME}";

	fi;

	return 0;

};

# }}}

# {{{ buildp_init($_rstatus)

buildp_init() {

	local	_bi_rstatus="${1#\$}"						\

		_bi_args_long="--as-needed --debug-minipx --reset-state"	\

		_bi_name_base="build"						\

		_bi_optstring="a:b:C:D:F:hp:Pr:RxvV:"				\

		_bi_rc=0 _bi_status="";

	shift;

	if ! . "${0%/*}/subr.ex/ex_init.subr"; then

		_bi_rc=1;

		_bi_status='failed to source \`'"${0%/*}/subr/ex_init.subr"\';

		eval ${_bi_rstatus}=\"${_bi_status}\";

	elif ! ex_init_help								\

			"${_bi_rstatus}" "${_bi_args_long}"				\

			"${_bi_name_base}" "${_bi_optstring}" "${@}"			\

	  || ! ex_init_env "${_bi_rstatus}"						\

	  		\$BUILD_HNAME \$BUILD_USER "${_bi_name_base}"			\

	  || ! ex_init_getopts								\

	  		"${_bi_rstatus}" "buildp_init_getopts_fn"			\

			"${_bi_optstring}" "${@}"					\

	  || ! ex_init_logging "${_bi_rstatus}" \$ARG_VERBOSE_TAGS "${ARG_VERBOSE}"	\

	  || ! ex_pkg_load_vars "${_bi_rstatus}" \$ARCH \$BUILD_KIND \$PREFIX		\

	  || ! ex_init_prereqs "${_bi_rstatus}" "${DEFAULT_PREREQS}"			\

	  || ! buildp_init_args "${_bi_rstatus}"					\

	  || ! ex_init_files								\

			"${_bi_rstatus}"						\

			\$ARG_CLEAN_BUILDS \$ARG_DIST					\

			"${DEFAULT_BUILD_LOG_FNAME}"					\

			"${DEFAULT_BUILD_LOG_LAST_FNAME}"				\

			"${DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME}"			\

			"${DEFAULT_CHECK_PATH_VARS}"					\

			"${DEFAULT_CLEAR_ENV_VARS_EXCEPT}"				\

			"${DEFAULT_CLEAR_PREFIX_PATHS}"					\

			"${BUILD_DLCACHEDIR}" "${PREFIX}"				\

			"${PREFIX_RPM}" "${BUILD_WORKDIR}";

	then

		_bi_rc=1;

	fi;

	return "${_bi_rc}";

};

# }}}

# {{{ buildp_init_args($_rstatus)

buildp_init_args() {

	local	_bpia_rstatus="${1#\$}"								\

		_bpia_foundfl=0 _bpia_group="" _bpia_groups="" _bpia_groups_noauto=""		\

		_bpia_pkg_names="" _bpia_pkg_names_unknown="" _bpia_pkg_names_unknown_count=0	\

		_bpia_rc=0;

	case "${ARG_FETCH_FORCE}" in

	ipv4)	rtl_lconcat \$DEFAULT_GIT_ARGS "-4";

		rtl_lconcat \$DEFAULT_WGET_ARGS "-4"; ;;

	ipv6)	rtl_lconcat \$DEFAULT_GIT_ARGS "-6";

		rtl_lconcat \$DEFAULT_WGET_ARGS "-6"; ;;

	esac;

	if [ "${ARG_AS_NEEDED:-0}" -eq 1 ]\

	&&   [ -e "${PREFIX}/build.gitref" ]\

	&&   [ "$(git rev-parse HEAD)" = "$(cat "${PREFIX}/build.gitref")" ]; then

		_bpia_rc=0;

		rtl_setrstatus "${_bpia_rstatus}" 'Git repository has not changed since last build and --as-needed was specified.';

	elif ! ex_pkg_process_restart_spec "${_bpia_rstatus}" \$ARG_RESTART \$ARG_RESTART_AT \$ARG_RESTART_RECURSIVE; then

		_bpia_rc=1;

		rtl_setrstatus "${_bpia_rstatus}" 'failed to process -r specification: ${'"${_bpia_rstatus}"'}.';

	elif ! ex_pkg_load_groups \$_bpia_groups \$_bpia_groups_noauto \$GROUP_AUTO \$GROUP_TARGET; then

		_bpia_rc=1;

		rtl_setrstatus "${_bpia_rstatus}" 'failed to load build groups.';

	else

		if ! rtl_lmatch \$ARG_DIST:- "rpm" ","; then

			rtl_lfilter \$_bpia_groups "host_deps_rpm";

		fi;

		if [ "${BUILD_GROUPS:+1}" != 1 ]; then

			BUILD_GROUPS="${_bpia_groups}";

		else	_bpia_foundfl=0; for _bpia_group in ${BUILD_GROUPS}; do

				if rtl_lmatch \$_bpia_groups "${_bpia_group}"; then

					_bpia_foundfl=1; break;

				fi;

			done;

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

				_bpia_foundfl=0; for _bpia_group in ${BUILD_GROUPS}; do

					if rtl_lmatch \$_bpia_groups "${_bpia_group}"; then

						_bpia_rc=1;

						rtl_setrstatus "${_bpia_rstatus}" 'unknown build group \`'"${_bpia_group}'"'.';

					fi;

				done;

			fi;

		fi;

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

			if   rtl_lmatch \$ARG_DIST "zipdist" ","\

			&& ! rtl_lmatch \$ARG_DIST "minipix" ","; then

				rtl_lconcat \$ARG_DIST "minipix" ",";

			fi;

			if [ "${ARG_DIST:+1}" = 1 ]; then

				rtl_lfilter \$BUILD_GROUPS "dist";

				rtl_lconcat \$BUILD_GROUPS "dist";

			fi;

			if [ "${ARG_RESTART:+1}" = 1 ]\

			&& ! rtl_lmatch \$ARG_RESTART "ALL LAST"; then

				for _bpia_pkg_name in ${ARG_RESTART}; do

					if ! ex_pkg_find_package \$_bpia_pkg_names "${BUILD_GROUPS}" "${_bpia_pkg_name}" >/dev/null; then

						rtl_lconcat \$_bpia_pkg_names_unknown "${_bpia_pkg_name}";

					fi;

				done;

				rtl_llength \$_bpia_pkg_names_unknown_count \$_bpia_pkg_names_unknown;

				case "${_bpia_pkg_names_unknown_count}" in

				0)	;;

				1)	_bpia_rc=1;

					rtl_setrstatus "${_bpia_rstatus}" 'unknown package \`'"${_bpia_pkg_names_unknown}'"'.';

					;;

				*)	rtl_subst \$_bpia_pkg_names_unknown " " ", ";

					_bpia_rc=1

					rtl_setrstatus "${_bpia_rstatus}" 'unknown packages: '"${_bpia_pkg_names_unknown}'"'.';

					;;

				esac;

			fi;

		fi;

	fi;

	return "${_bpia_rc}";

};

# }}}

# {{{ buildp_init_getopts_fn(...)

buildp_init_getopts_fn() {

	local _bpigf_rc=0 _bpigf_shiftfl=0;

	case "${1}" in

	init)

		local	_bpigf_verb="${1}" _bpigf_rstatus="${2#\$}";

		: ${ARCH:="nt64"};

		: ${BUILD_KIND:="debug"};

		ARG_AS_NEEDED=0; ARG_CLEAN_BUILDS=""; ARG_DEBUG_MINIPIX=0; ARG_DIST="";

		ARG_FETCH_FORCE=""; ARG_PARALLEL=1; ARG_RELAXED=0; ARG_RESET_PKG=0;

		ARG_RESTART=""; ARG_RESTART_AT=""; ARG_RESTART_RECURSIVE=""; ARG_VERBOSE=0;

		ARG_VERBOSE_TAGS="";

		;;

	longopt)

		local	_bpigf_verb="${1}" _bpigf_rstatus="${2#\$}" _bpigf_opt="${3}";

		case "${_bpigf_opt}" in

		--as-needed)	ARG_AS_NEEDED=1; _bpigf_shiftfl=1; ;;

		--debug-minipx)	ARG_DEBUG_MINIPIX=1; _bpigf_shiftfl=1; ;;

		--help)		_bpigf_shiftfl=1; ;;

		--reset-state)	ARG_RESET_PKG=1; _bpigf_shiftfl=1; ;;

		# {{{ --roar

		--roar)		printf "%s\n" '

?[40m?[37m              ?[40m?[34m▃▃▃▃?[0m

?[40m?[37m           ?[40m?[34m▟?[44m?[94m        ?[40m?[34m▙?[0m

?[40m?[35m▟▙▃▟▙      ?[44m?[34m ?[44m?[33m/\?[34m?[34m    ?[34m?[33m/\?[34m?[34m ?[40m?[37m    ?[40m?[97mroar!?[0m

?[40m?[35m▜?[40m?[95m▒▓▒?[40m?[35m▛      ?[104m?[94m  ?[103m?[94m▛ ?[103m?[33m""" ?[103m?[94m▜?[104m?[34m ?[40m?[37m   ?[40m?[97m/?[0m

?[40m?[37m ?[40m?[35m▜?[45m?[35m ?[40m?[35m▛       ?[104m?[94m ?[103m?[30m  ^ _bpigf_ ^ ?[104m?[94m ?[40m?[37m  ?[40m?[97m/?[0m

?[40m?[37m  ?[40m?[35m▀        ?[46m?[36m ?[103m?[33m (_bpigf__?[103m?[30my?[103m?[33m_)?[103m?[30m ?[46m?[36m ?[0m

?[40m?[37m ?[40m?[93m▟▙    ▁▂▃▟?[103m?[36m▐?[40m?[36m▙?[40m?[93m▜?[103m?[33m`\_bpigf_/?[40m?[93m▛?[40m?[36m▟▌?[0m

?[40m?[37m ?[40m?[93m▟▙   ▟?[103m?[30m    ?[103m?[36m▓▓▓?[103m?[30m| |?[40m?[93m▍?[40m?[36m▓▓▓?[0m

?[40m?[37m ?[40m?[93m▜?[103m?[30m\?[40m?[93m▙ ▟?[103m?[30m    ?[103m?[36m▓▓▓▓▓?[103m?[30m |?[40m?[36m▓▓▓▓▓?[0m

?[40m?[37m  ?[40m?[93m▜?[103m?[30m\\    \ ?[103m?[36m▒▒▒?[103m?[30m|?[103m?[33m ?[103m?[30m|?[40m?[37m ?[40m?[36m▒▒▒?[0m

?[40m?[37m   ?[40m?[93m▜?[103m?[30m\     ) ?[103m?[36m▒?[103m?[30m_|?[103m?[33m ?[103m?[30m|?[40m?[93m▙ ?[40m?[36m▒?[0m

?[40m?[37m   ?[103m?[30m(?[4m     /  ))))))?[0m';

				exit 0;

				;;

		# }}}

		*)		_bpigf_shiftfl=0; ;;

		esac;

		;;

	opt)

		local	_bpigf_verb="${1}" _bpigf_rstatus="${2#\$}"	\

			_bpigf_opt="${3}" _bpigf_optarg="${4:-}";

		shift 4;

		case "${_bpigf_opt}" in

		a)	ARCH="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		b)	BUILD_KIND="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		C)	ARG_CLEAN_BUILDS="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		D)	ARG_DIST="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		F)	ARG_FETCH_FORCE="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		h)	_bpigf_shiftfl=1; ;;

		p)	ARG_PARALLEL="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		P)	ARG_PARALLEL="auto";

			if [ "${2:+1}" = 1 ]\

			&& rtl_isnumber "${2}"; then

				_bpigf_rc=1;

				rtl_setrstatus "${_bpigf_rstatus}" 'maximum parallelisation job count is set with the \`-p jobs'\'' option.';

				break;

			fi;

			_bpigf_shiftfl=1;

			;;

		r)	ARG_RESTART="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		R)	ARG_RELAXED=1; _bpigf_shiftfl=1; ;;

		x)	ARG_VERBOSE_TAGS="${ARG_VERBOSE_TAGS:+${ARG_VERBOSE_TAGS},}xtrace";

			_bpigf_shiftfl=1; ;;

		v)	ARG_VERBOSE=1; _bpigf_shiftfl=1; ;;

		V)	ARG_VERBOSE_TAGS="${_bpigf_optarg}"; _bpigf_shiftfl=2; ;;

		*)	cat etc/build.usage.short; exit 1; ;;

		esac;

		;;

	nonopt)

		local	_bpigf_verb="${1}" _bpigf_rstatus="${2#\$}"	\

			_bpigf_vname="" _bpigf_vval="";

		shift 2;

		if rtl_match "${1}" "=*"; then

			BUILD_GROUPS_INHIBIT_DEPS=1; _bpigf_arg="${1#=}";

		else

			_bpigf_arg="${1}";

		fi;

		case "${_bpigf_arg}" in

		*=*)		rtl_set_var_from_cmdline "${_bpigf_rstatus}" "${_bpigf_arg}";

				_bpigf_rc="${?}";

				;;

		[!a-zA-Z]*)	_bpigf_rc=1;

				rtl_setrstatus "${_bpigf_rstatus}" 'build group names must start with [a-zA-Z] (in argument \`'"${_bpigf_arg}"''\''.)';

				;;

		*[!_bpigf_a-zA-Z]*)

				_bpigf_rc=1;

				rtl_setrstatus "${_bpigf_rstatus}" 'build group names must not contain [!_a-zA-Z] (in argument \`'"${_bpigf_arg}"''\''.)';

				;;

		*)		rtl_lconcat \$BUILD_GROUPS "${_bpigf_arg}"; ;;

		esac;

		if [ "${_bpigf_rc}" -ne 0 ]; then

			return "${_bpigf_rc}";

		else

			_bpigf_shiftfl=1;

		fi;

		;;

	done)

		local _bpigf_verb="${1}" _bpigf_rstatus="${2#\$}";

		case "${ARG_PARALLEL}" in

		auto)	if ! rtl_get_cpu_count "${_bpigf_rstatus}" \$ARG_PARALLEL; then

				_bpigf_rc=1;

			else

				ARG_PARALLEL=$((${ARG_PARALLEL}/2));

			fi; ;;

		max)	if ! rtl_get_cpu_count "${_bpigf_rstatus}" \$ARG_PARALLEL; then

				_bpigf_rc=1;

			fi; ;;

		"")	ARG_PARALLEL=1; ;;

		*)	if ! rtl_isnumber "${ARG_PARALLEL}"; then

				_bpigf_rc=1;

				rtl_setrstatus "${_bpigf_rstatus}" 'invalid jobs count \`'"${ARG_PARALLEL}"''\''.';

			fi; ;;

		esac;

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

			DEFAULT_BUILD_CPUS="${ARG_PARALLEL}";

		else

			return "${_bpigf_rc}";

		fi;

		;;

	*)

		return 1;

		;;

	esac;

	if [ "${_bpigf_shiftfl}" -ge 1 ]; then

		return "$((${_bpigf_shiftfl} + 1))";

	else

		return 0;

	fi;

	return "${_bpigf_rc}";

};

# }}}

# {{{ buildp_dispatch($_msg)

buildp_dispatch() {

	local _bpd_msg="${1}"; shift;

	case "${_bpd_msg}" in

	disabled_pkg|finish_pkg|missing_pkg|msg_pkg|skipped_pkg|start_pkg|start_pkg_child|step_pkg)

		buildp_dispatch_pkg_state "${_bpd_msg}" "${@}"; ;;

	finish_group|start_group)

		buildp_dispatch_group_state "${_bpd_msg}" "${@}"; ;;

	*)	if command -v "buildp_dispatch_${_bpd_msg}" >/dev/null 2>&1; then

			"buildp_dispatch_${_bpd_msg}" "${@}";

		fi; ;;

	esac;

	return 0;

};

# }}}

# {{{ buildp_dispatch_fail_pkg($_group_name, $_pkg_name)

buildp_dispatch_fail_pkg() {

	local _bpdfp_group_name="${1}" _bpdfp_pkg_name="${2}";

	: $((BUILD_NFAIL+=1))

       	rtl_lconcat \$BUILD_PKGS_FAILED "${_bpdfp_pkg_name}";

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

		rtl_log_msg "fatal" "${MSG_pkg_stderrout_log}" "${BUILD_WORKDIR}" "${_bpdfp_pkg_name}";

		cat "${BUILD_WORKDIR}/${_bpdfp_pkg_name}_stderrout.log";

		if [ "${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME:+1}" = 1 ]; then

			printf "%s\n" "${_bpdfp_pkg_name}" > "${DEFAULT_BUILD_LAST_FAILED_PKG_FNAME}";

		fi;

		rtl_log_msg "fatal" "${MSG_build_failed_in}" "${_bpdfp_pkg_name}" "${BUILD_WORKDIR}/${_bpdfp_pkg_name}_stderrout.log";

	else

		rtl_log_msg "warning" "${MSG_build_failed_in}" "${_bpdfp_pkg_name}" "${BUILD_WORKDIR}/${_bpdfp_pkg_name}_stderrout.log";

	fi;

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

		exit 1;

	fi;

	return 0;

};

# }}}

# {{{ buildp_dispatch_group_state($_msg, $_group_name)

buildp_dispatch_group_state() {

	local _bpdgs_msg="${1}" _bpdgs_group_name="${2}";

	case "${_bpdgs_msg}" in

	finish_group)	rtl_log_msg "group_finish" "${MSG_group_finish}" "${6}" "${4}" "${5}" "${_bpdgs_group_name}"; ;;

	start_group)	rtl_log_msg "group_begin" "${MSG_group_begin}" "${6}" "${4}" "${5}" "${_bpdgs_group_name}"; ;;

	esac;

	return 0;

};

# }}}

# {{{ buildp_dispatch_pkg_state($_msg, $_group_name, $_pkg_name)

buildp_dispatch_pkg_state() {

	local	_bpdps_msg="${1}" _bpdps_group_name="${2}" _bpdps_pkg_name="${3}"	\

		_bpdps_var="" _bpdps_vars="";

	case "${_bpdps_msg}" in

	disabled_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg "pkg_skip" "${MSG_pkg_skip_disabled}" "${_bpdps_pkg_name}"; ;;

	missing_pkg)	rtl_log_msg "fatalexit" "${MSG_pkg_skip_unknown}" "${_bpdps_pkg_name}"; ;;

	msg_pkg)	shift 3; rtl_log_msg "${MSG_pkg_msg}" "${_bpdps_group_name}" "${_bpdps_pkg_name}" "${*}"; ;;

	skipped_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg "pkg_skip" "${MSG_pkg_skip_finished}" "${_bpdps_pkg_name}"; ;;

	start_pkg)	rtl_log_msg "pkg_begin" "${MSG_pkg_begin}" "${7}" "${6}" "${4}" "${5}" "${_bpdps_pkg_name}"; ;;

	step_pkg)	rtl_log_msg "pkg_step" "${MSG_pkg_step}" "${4}" "${_bpdps_pkg_name}"; ;;

	finish_pkg)

		: $((BUILD_NFINI+=1));

		if rtl_lmatch \$ARG_VERBOSE_TAGS "build" ","; then

			cat "${BUILD_WORKDIR}/${_bpdps_pkg_name}_stderrout.log";

		fi;

		rtl_log_msg "pkg_finish" "${MSG_pkg_finish}" "${7}" "${6}" "${4}" "${5}" "${_bpdps_pkg_name}"; ;;

	start_pkg_child)

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

			for _bpdps_var in ${DEFAULT_BUILD_VARS}; do

				if eval [ \"\${PKG_${_bpdps_var}:+1}\" = 1 ]; then

					_bpdps_vars="${_bpdps_vars:+${_bpdps_vars} }PKG_${_bpdps_var}";

				fi;

			done;

			rtl_log_env_vars "info" "build" ${_bpdps_vars};

		fi;

		if rtl_lmatch \$ARG_VERBOSE_TAGS "xtrace" ","; then

			set -o xtrace;

		fi; ;;

	esac;

	return 0;

};

# }}}

# {{{ buildp_time_init()

buildp_time_init() {

	rtl_date \$BUILD_DATE_START "%Y-%m-%d-%H-%M-%S";

	rtl_date \$_build_time_secs "%s";

};

# }}}

# {{{ buildp_time_update()

buildp_time_update() {

	local _bptu_date;

	rtl_date \$_bptu_date "%s";

	: $((_build_time_secs=${_bptu_date}-${_build_time_secs}));

	: $((_build_time_hours=${_build_time_secs}/3600));

	: $((_build_time_minutes=(${_build_time_secs}%3600)/60));

	: $((_build_time_secs=(${_build_time_secs}%3600)%60));

};

# }}}

build() {

	local	_build_time_hours=0 _build_time_mins=0 _build_time_secs=0 _pkg_name="" _rc=0 _status=""			\

		BUILD_DATE_START="" BUILD_GROUPS="" BUILD_GROUPS_INHIBIT_DEPS=0 BUILD_HNAME BUILD_IS_PARENT=1		\

		BUILD_NFAIL=0 BUILD_NFINI=0 BUILD_NSKIP=0 BUILD_PKGS_FAILED="" BUILD_TARGET="" BUILD_USER=""		\

		DEFAULT_BUILD_CPUS=1 DEFAULT_BUILD_LAST_FAILED_PKG_FNAME="" DEFAULT_BUILD_LOG_FNAME=""			\

		DEFAULT_BUILD_STEPS="" DEFAULT_BUILD_VARS="" DEFAULT_CLEAR_PREFIX_PATHS="" DEFAULT_GIT_ARGS=""		\

		DEFAULT_GITROOT_HEAD="${DEFAULT_GITROOT_HEAD:-}" DEFAULT_LOG_ENV_VARS="" DEFAULT_MIRRORS=""		\

		DEFAULT_TARGET="" DEFAULT_WGET_ARGS="" MIDIPIX_BUILD_PWD="";

	BUILD_PKG_WAIT="";

	DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME="";

	trap "buildp_ast exit" EXIT; trap "buildp_ast abort" HUP INT TERM USR1 USR2;

	if ! buildp_init \$_status "${@}"; then

		_rc=0;

		_status="Error: ${_status}";

	else

		buildp_time_init;

		rtl_log_msg "build_begin" "${MSG_build_begin}" "${BUILD_USER}" "${BUILD_HNAME}" "${BUILD_DATE_START}";

		rtl_log_env_vars "build_vars" "build (global)" ${DEFAULT_LOG_ENV_VARS};

		ex_pkg_dispatch									\

			\$BUILD_PKG_WAIT "${DEFAULT_BUILD_STEPS}" "${DEFAULT_BUILD_VARS}"	\

			buildp_dispatch "${BUILD_GROUPS}" "${BUILD_GROUPS_INHIBIT_DEPS}"	\

			"${ARG_PARALLEL}" "${BUILD_WORKDIR}/build.fifo" "${ARG_RESTART}"	\

			"${ARG_RESTART_AT}" "${ARG_RESTART_RECURSIVE}" "${BUILD_WORKDIR}";

		buildp_time_update;

		rtl_log_msg "build_finish" "${MSG_build_finish}" "${BUILD_NFINI:-0}" "${BUILD_NSKIP:-0}" "${BUILD_NFAIL:-0}";

		rtl_log_msg "build_finish_time" "${MSG_build_finish_time}" "${_build_time_hours:-0}" "${_build_time_minutes:-0}" "${_build_time_secs:-0}";

		if [ "${BUILD_PKGS_FAILED:+1}" = 1 ]; then

			_rc=1;

			_status="Build script failure(s) in: ${BUILD_PKGS_FAILED}.";

		fi;

	fi;

	if [ "${_rc}" -ne 0 ]; then

		rtl_log_enable_tags "${LOG_TAGS_all}";

		rtl_log_msg "fatalexit" "0;${_status}";

	elif [ "${_status:+1}" = 1 ]; then

		rtl_log_enable_tags "${LOG_TAGS_all}";

		rtl_log_msg "info" "0;${_status}";

	fi;

};

set +o errexit -o noglob -o nounset; build "${@}";

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