#!/bin/sh

# Copyright (c) 2016 Lucio Andrés Illanes Albornoz <l.illanes@gmx.de>

#

#

#

#

for __ in subr/*.subr; do . ${__}; done;

set -o noglob;

while [ ${#} -gt 0 ]; do

case ${1} in

-c)	ARG_CLEAN=1; ;;

-C)	ARG_CHECK_UPDATES=1; ;;

-N)	ARG_OFFLINE=1; ;;

-i)	ARG_IGNORE_SHA256SUMS=1; ;;

-t*)	ARG_TARBALL=1; [ "${1#-t.}" != "${1}" ] && TARBALL_SUFFIX=${1#-t.}; ;;

-v)	ARG_VERBOSE=1; ;;

-x)	ARG_XTRACE=1; set -o xtrace; ;;

-a)	[ -z "${2}" ] && exec cat etc/build.usage || ARCH=${2}; shift; ;;

-b)	[ -z "${2}" ] && exec cat etc/build.usage || BUILD=${2}; shift; ;;

-r)	if [ -z "${2}" ]; then

		exec cat build.usage;

	elif [ "${2%:*}" = "${2}" ]; then

		ARG_RESTART=${2};

	else

		ARG_RESTART=${2%:*}; ARG_RESTART_AT=${2#*:};

	fi;

	BUILD_PACKAGES_RESTART="$(echo ${ARG_RESTART} | sed "s/,/ /g")";

	if [ -z "${ARG_RESTART_AT}" ]; then

		ARG_RESTART_AT=ALL;

	fi; shift; ;;

host_toolchain|native_toolchain|runtime|lib_packages|leaf_packages|devroot|world)

	BUILD_TARGETS_META="${BUILD_TARGETS_META:+${BUILD_TARGETS_META} }${1}"; ;;

*=*)	set_var_unsafe "${1%%=*}" "${1#*=}"; ;;

*)	exec cat etc/build.usage; ;;

esac; shift; done;

pre_setup_env; pre_prereqs; pre_subdirs; pre_build_files;

#

#

#

{(

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

	log_msg info "Build started by ${BUILD_USER:=${USER}}@${BUILD_HNAME:=$(hostname)} at ${BUILD_DATE_START}.";

	log_env_vars "build (global)" ${LOG_ENV_VARS};

else

	log_msg info "Version check run started by ${BUILD_USER:=${USER}}@${BUILD_HNAME:=$(hostname)} at ${BUILD_DATE_START}.";

fi;

for BUILD_TARGET_LC in $(subst_tgts invariants ${BUILD_TARGETS_META:-world}); do

	BUILD_TARGET=$(echo ${BUILD_TARGET_LC} | tr a-z A-Z);

	BUILD_PACKAGES=$(get_var_unsafe ${BUILD_TARGET}_PACKAGES);

	if [ "${BUILD_TARGET}" != "INVARIANTS" ]\

	&& [ -n "${BUILD_PACKAGES_RESTART}" ]; then

		BUILD_PACKAGES="$(lfilter "${BUILD_PACKAGES}" "${BUILD_PACKAGES_RESTART}")";

	fi;

	for BUILD_PACKAGE_LC in ${BUILD_PACKAGES}; do

		#

		#

		#

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

		&& [ "${BUILD_PACKAGE#*.*}" = "${BUILD_PACKAGE}" ]; then

			(mode_check_pkg_updates "${BUILD_PACKAGE_LC}" "${BUILD_PACKAGE}");

			continue;

		else

			(set -o errexit -o noglob;

			parse_with_pkg_name "${BUILD_PACKAGE_LC%.*}";

			for __ in ${BUILD_STEPS}; do

				case ${__#*:} in

				abstract)

					if test_cmd pkg_${PKG_NAME}_${__%:*}; then

						pkg_${PKG_NAME}_${__%:*}; exit 0;

					fi; ;;

				always)	pkg_${__%:*}; ;;

				main)	if ! is_build_script_done ${__%:*}; then

						if test_cmd pkg_${PKG_NAME}_${__%:*}; then

							pkg_${PKG_NAME}_${__%:*};

						else

							pkg_${__%:*};

						fi;

					fi; ;;

				esac;

			done;

			set_build_script_done finish); BUILD_SCRIPT_RC=${?};

		fi;

		case ${BUILD_SCRIPT_RC} in

		0) log_msg succ "Finished \`${BUILD_PACKAGE_LC}' build.";

			: $((BUILD_NFINI+=1)); continue; ;;

		*) log_msg fail "Build failed in \`${BUILD_PACKAGE_LC}' (last return code ${BUILD_SCRIPT_RC}.).";

			: $((BUILD_NFAIL+=1)); break; ;;

		esac;

	done;

	if [ ${BUILD_SCRIPT_RC:-0} -ne 0 ]; then

		break;

	fi;

done;

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

	post_copy_etc; post_strip; post_tarballs; post_build_files;

fi;

log_msg info "${BUILD_NFINI} finished, ${BUILD_NSKIP} skipped, and ${BUILD_NFAIL} failed builds in ${BUILD_NBUILT} build script(s).";

log_msg info "Build time: ${BUILD_TIMES_HOURS} hour(s), ${BUILD_TIMES_MINUTES} minute(s), and ${BUILD_TIMES_SECS} second(s).";

exit ${BUILD_SCRIPT_RC})} 2>&1 | tee ${BUILD_LOG_FNAME} & TEE_PID=${!};

trap "rm -f ${BUILD_STATUS_IN_PROGRESS_FNAME};	\

	log_msg fail \"Build aborted.\";	\

	echo kill ${TEE_PID};			\

	kill ${TEE_PID}" HUP INT TERM USR1 USR2;

wait;

# vim:filetype=sh