#!/bin/sh
#
# ELWIX Build script for ELWIX raw BaseFS firmware
#
# (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
#    by Michael Pounov <misho@elwix.org>
#
# $Id: build_base.sh,v 1.6 2021/07/16 18:35:50 misho Exp $
#

[ -r ./config/rc.elwix ] && . ./config/rc.elwix
if [ X"${ELWIX_IS_CONFIGURED}" != X"YES" ]; then
	echo
	echo "ELWIX project is not configured !?!"
	echo
	exit 1
fi

if [ ! -d ${BSDSRC} ]; then
	echo
	echo "ELWIX project is not configured - missing BSD sources !?!"
	echo
	exit 1
fi

if [ "${USER}" != "root" ]; then
	echo
	echo "ELWIX project is not configured - BaseFS must build under root !?!"
	echo
	exit 1
fi

clean_basefs()
{
	echo "+++ Clean ELWIX BaseFS firmware ... $BASEFS"
	chflags -Rf noschg,nosunlink $BASEFS $BASE_FS
	rm -rf $BASEFS $BASE_FS ${REL}/${BASE_OS} ${REL}/kernel.gz
}

build_basefs()
{
	echo "+++ Build ELWIX BaseFS directory ... $BASEFS"
	mkdir -p $BASEFS

	cd $BASEFS

	install -d bin;
	install -d boot;
	install -d boot/defaults;
	install -d boot/firmware;
	install -d boot/kernel;
	install -d boot/lua;
	install -d boot/modules;
	install -d boot/zfs;
	install -d dev;
	install -d elwix;
	install -d elwix/altroot;
	install -d elwix/altroot/var;
	install -d elwix/cf;
	install -d elwix/etc;
	install -d -o 883 -g 883 elwix/etc/mqtt;
	install -d elwix/exports;
	install -d elwix/home;
	install -d -m 0750 elwix/root;
	install -d -m 0750 elwix/root/.ssh;
	install -d elwix/tftpboot;
	install -d elwix/pkg;
	install -d elwix/local;
	install -d elwix/local/lib;
	install -d etc;
	ln -fs /elwix/exports exports;
	ln -fs /elwix/home home;
	ln -fs /elwix/root root;
	ln -fs /elwix/tftpboot tftpboot;
	install -d mnt;
	install -d -m 0555 proc;
	install -d sbin;
	install -d tmp;
	install -d usr;
	install -d usr/bin;
	install -d usr/lib;
	ln -fs /usr/lib lib;
	install -d usr/lib/engines;
	install -d usr/lib/geom;
	case ${TARGET} in
		amd64)
			install -d usr/lib32;
			;;
		*)
			;;
	esac
	install -d usr/libdata;
	install -d usr/libexec;
	ln -fs /usr/libexec libexec;
	ln -fs /elwix/local usr/local;
	ln -fs /elwix/pkg usr/pkg;
	install -d usr/sbin;
	ln -fs /usr/pkg/sbin/mini_sendmail usr/sbin/sendmail
	install -d usr/share;
	install -d usr/share/misc;
	install -d usr/share/skel;
	install -d usr/share/zoneinfo;
	install -d var;

	chown -hR root:wheel .
	cd -
}

install_basefs()
{
	LIBS="${BASEFS}/usr/lib"
	LIBEXEC="${BASEFS}/usr/libexec"
	LIBDATA="${BASEFS}/usr/libdata"
	BIN="${BASEFS}/bin"
	UBIN="${BASEFS}/usr/bin"
	SBIN="${BASEFS}/sbin"
	USBIN="${BASEFS}/usr/sbin"
	SHARE="${BASEFS}/usr/share"
	SKEL="${SHARE}/skel"
	MISC="${SHARE}/misc"

	echo "+++ Install ELWIX BaseFS software ... $BASEFS"
	if [ -r files/etc/termcap ]; then
		install -v -m 644 files/etc/termcap $MISC;
		install -v -m 644 files/etc/services $MISC;
	else
		install -v -m 644 ${BSDSRC}/etc/termcap.small $MISC/termcap;
		install -v -m 644 ${BSDSRC}/etc/services $MISC;
	fi

	install -v ${CFGDIR}/root.skel/cshrc $SKEL/dot.cshrc;
	install -v ${CFGDIR}/root.skel/login $SKEL/dot.login;
	install -v ${CFGDIR}/root.skel/logout $SKEL/dot.logout;
	install -v ${CFGDIR}/root.skel/profile $SKEL/dot.profile;
	install -v ${CFGDIR}/root.skel/vimrc $SKEL/dot.vimrc;

	find ${WORLD}/libexec -type f -name ld-elf.so\* -exec install {} $LIBEXEC \;

	find ${WORLD}/lib -type f -name \*.so.\* ! -name \*.debug -exec install {} $LIBS \;
	find ${WORLD}/lib -type f -name libalias_\*.so -exec install {} $LIBS \;
	find ${WORLD}/lib/geom -type f -name \*.so -exec install {} $LIBS/geom \;
	find ${WORLD}/usr/lib -type f -name \*.so.\* ! -name \*.debug -exec install {} $LIBS \;
	find ${WORLD}/usr/lib/engines -type f -name \*.so -exec install {} $LIBS/engines \;

	InstallList ${ELWIX_BASEFS} ${WORLD} ${BASEFS}

	ln ${BIN}/tcsh ${UBIN}/tcsh

	InstallDir ${WORLD}/usr/local/bin $UBIN
	InstallDir ${WORLD}/usr/local/sbin $USBIN
	InstallFiles \*.so\* ${WORLD}/usr/local/lib $LIBS
	InstallDir ${WORLD}/usr/local/libdata $LIBDATA

	chown -R root:wheel $SBIN $BIN $USBIN $UBIN $LIBDATA $LIBEXEC $LIBS

	echo "+++ Completed ELWIX BaseFS software ... $BASEFS"
}

prepare_fs()
{
	echo "+++ Prepare ELWIX fs ... $BASEFS --> $1"
	mkdir -p $1

	if [ -d ${BASEFS} ]; then
		cd ${BASEFS}
		pax -rw -pe -X . $1
		cd -
	fi
}

create_etc_fstab()
{
	cat >$1/etc/fstab <<_EOF
# Automatic generated fstab for ELWIX $2 at ${BUILD_DATE}
#
/dev/ufs/elwix		/	ufs	ro			0	1
tmpfs			/tmp	tmpfs	rw			0	0
md2			/var	mfs	rw,-s16m,-S,-n		0       0
_EOF
}

update_etc_cfexec()
{
	echo "mount = \"/\"" >> $1/etc/cfexec.conf
}

install_fs()
{
	echo "+++ Install ELWIX BaseFS $1 in bundle OS install file ..."
	OSZ=""

	install -v ${KERNEL} $1/boot/kernel;
	cd $1/boot/kernel;
	gzip -9 kernel;
	cp kernel.gz ${REL}
	cd -;
	echo "+++ Released native ELWIX kernel ... ${REL}/kernel.gz"

	case "$2" in
		*)
			OSZ=${REL}/${BASE_OS}
			;;
	esac

	cd $1
	tar -czvf $OSZ .
	echo "+++ Completed ELWIX BaseFS $1 --> $OSZ"
}

### main()
clean_basefs
build_basefs

install_basefs

# build fs
prepare_fs ${BASE_FS}
MakeFS_home ${BASE_FS}/elwix
MakeFS_var ${BASE_FS}/elwix ${BASE_ETC}
MakeFS_etc ${BASE_FS} ${BASE_ETC} base
create_etc_fstab ${BASE_FS} base
update_etc_cfexec ${BASE_FS}
MakeFS_boot ${BASE_FS}
install_fs ${BASE_FS}

echo "+++ Complete build ELWIX BaseFS system"
echo "ELWIX BaseFS finish version ${VERSION}, Good luck!"