#!/bin/sh -Cefu


set -Cefu


_jctl()
{
	service jail $*
}


_jcmd()
{
	_jctl restart "$jail_build" || true
	
	
	local cmd="$*"
	local start="`date +%s`"
	
	echo
	echo "Command  '$cmd'"
	echo
	echo "Start    `date -r \"$start\"`"
	echo
	
	
	time -h \
	env -i HOME=/ PATH=/sbin:/bin:/usr/sbin:/usr/bin \
	"`which jexec`" "$jail_build" sh -Ceuc "$cmd"
	
	
	local end="`date +%s`"
	local duration="$(($end - $start))"
	
	echo
	echo "Command  '$cmd'"
	echo
	echo "Start    `date -r \"$start\"`"
	echo "End      `date -r \"$end\"`"
	echo
	echo "Duration $duration s"
	echo
	
	
	_jctl restart "$jail_build" || true
}


case "${0##*/}"
in
	srcbbb)
		machine_type=bbb
		
		jail_build=build0
		jail_install=bbbinstall
		;;
	
	srchost)
		machine_type=host
		
		jail_build=build1
		;;
esac


case "${1:-}"
in
	minimal)
		build_type=minimal
		
		shift
		;;
	
	stable)
		build_type=stable
		
		case "$machine_type"
		in
			bbb)
				jail_build=build2
				;;
		esac
		
		shift
		;;
	
	full)
		build_type=full
		
		shift
		;;
	
	*)
		case "$machine_type"
		in
			bbb)
				build_type=minimal
				;;
			*)
				build_type=full
				;;
		esac
		;;
esac


case "${1:-}"
in
	build*)
		action_type=build
		;;
	
	install*)
		action_type=install
		;;
	
	*)
		action_type=build
		;;
esac


src_path=/usr/src

make_jobs='$((`sysctl -n hw.ncpu` * 1))'

make_conf="/build/$machine_type/conf/$build_type/$action_type/make.conf"


case "${1:-}"
in
	build)
		_jcmd \
		'make -s -j "'$make_jobs'" -C '"'"$src_path"'" \
		'buildworld buildkernel' \
		'__MAKE_CONF='"'"$make_conf"'"
		
		shift
		;;
	
	build-noclean)
		_jcmd \
		'make -s -j "'$make_jobs'" -C '"'"$src_path"'" \
		'buildworld buildkernel' \
		'__MAKE_CONF='"'"$make_conf"'" \
		'NO_CLEAN=yes'
		
		shift
		;;
	
	buildkernel)
		_jcmd \
		'make -s -j "'$make_jobs'" -C '"'"$src_path"'" \
		'buildkernel' \
		'__MAKE_CONF='"'"$make_conf"'"
		
		shift
		;;
	
	install)
		install_dest=/install-dest
		install_dest_subdir="$build_type"
		kernel_file=boot/kernel/kernel
		
		_jctl stop "$jail_install" || true
		
		_jcmd \
		'(' \
		'cd '"'"$install_dest"'" \
		'&& mv -v '"'"$install_dest_subdir"'"' "'$install_dest_subdir'.`date +%s`.bak"' \
		'&& mkdir '"'"$install_dest_subdir"'" \
		')' \
		'&& make -s -C '"'"$src_path"'" \
		'installworld installkernel distribution' \
		'__MAKE_CONF='"'"$make_conf"'" \
		'&& (' \
		'cd '"'"$install_dest"'" \
		'&& du -hxs '"'"$install_dest_subdir"'" \
		'&& strings -f '"'"$install_dest_subdir'/'$kernel_file"'"' | fgrep '"'"'@(#)FreeBSD'"'" \
		')'
		
		_jctl start "$jail_install" || true
		
		shift
		;;
	
	clean)
		_jcmd \
		'rm -vfr /usr/obj/* || true'
		
		shift
		;;
esac