#!/bin/sh
#
# ELWIX build script for rootfs firmware
#
# (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
#    by Michael Pounov <misho@elwix.org>
#
# $Id: build_rootfs.sh,v 1.2 2011/10/18 09:02:05 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 - RootFS must build under root !?!"
	echo
	exit 1
fi

NEWKERN="${REL}/kernel"

clean_elwix()
{
	echo "+++ Clean csh from ELWIX World ..."
	rm -rf ${BSDOBJ}/usr/src/bin/csh/*

	echo "+++ Clean ELWIX RootFS firmware ..."
	rm -rf $MKDIR
	mkdir $MKDIR

	echo "+++ Clean RootFS directory ..."
	rm -rf $ROOTFS
	mkdir $ROOTFS

	echo "+++ Clean Release directory ..."
	rm -rf $REL/$ROOTFS_IMG ${NEWKERN}*
}

prepare_elwix()
{
	echo "+++ Prepair ELWIX RootFS firmware ..."
	cd $MKDIR
	cat >$MKH <<_EOF
# Auto-generated Makefile include for crungegen
# !!! Dont edit by hand !!!
#
#BUILDOPTS += TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} MAKEOBJDIRPREFIX=${BSDOBJ}
CRUNCH_SUPPRESS_LINK_-sh= 1
CRUNCH_SUPPRESS_LINK_-csh= 1
CRUNCH_SUPPRESS_LINK_-tcsh= 1
LIBS += -L${WORLD}/lib -L${WORLD}/usr/lib
_EOF
	cat >$ROOTFS_CONF <<_EOF
srcdirs ${BSDSRC}/bin ${BSDSRC}/sbin ${BSDSRC}/libexec ${BSDSRC}/cddl/sbin ${BSDSRC}/sbin/ggate
#buildopts -DRESCUE CRUNCH_CFLAGS=-DRESCUE TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} MAKEOBJDIRPREFIX=${BSDOBJ}
buildopts TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} MAKEOBJDIRPREFIX=${BSDOBJ}
_EOF
	cat $CFGDIR/$ROOTFS_CONF >>$ROOTFS_CONF

	crunchgen -f -p $BSDOBJ -h $MKDIR/$MKH -m $MKF -c elwix.c -e elwix $ROOTFS_CONF
	cd -
}

build_elwix()
{
	echo "+++ Build ELWIX RootFS firmware ..."
	cd $MKDIR
	make -f $MKF clean
	make -f $MKF
	cd -
}

build_rootdir()
{
	echo "+++ Build RootFS directory ..."
	cd $ROOTFS

	install -d bin;
	install -d dev;
	install -d elwix;
	install -d elwix/etc;
	install -d mnt;
	install -d -m 0555 proc;
	install -d sbin;
	install -d system;
	install -d -m 1777 tmp;
	install -d usr;
	install -d var;

	ln -fs /usr/lib lib;
	ln -fs /usr/libexec libexec;

	ln -fs /elwix/etc etc;
	ln -fs /elwix/exports exports;
	ln -fs /elwix/home home;
	ln -fs /elwix/root root;
	ln -fs /elwix/tftpboot tftpboot;

	cd -
}

install_rootfs()
{
	PRG="/sbin/elwix"
	BIN="${ROOTFS}/bin"
	SBIN="${ROOTFS}/sbin"
	ETC="${ROOTFS}/elwix/etc"

	echo "+++ Install ELWIX into RootFS directory ..."
	install $MKDIR/elwix $SBIN

	InstallList ${ELWIX_ROOTFS} ${WORLD} ${ROOTFS}

	InstallDir ${ROOTFS_ETC} $ETC

	ln -s /usr/sbin/nologin $SBIN

	ln -s $PRG $BIN/test
	ln -s $PRG $BIN/\[
	ln -s $PRG $BIN/cat
	ln -s $PRG $BIN/chflags
	ln -s $PRG $BIN/chio
	ln -s $PRG $BIN/chmod
	ln -s $PRG $BIN/cp
#	ln -s $PRG $BIN/csh
#	ln -s $PRG $BIN/tcsh
	ln -s /bin/tcsh $BIN/-tcsh
	ln -s /bin/csh $BIN/-csh
	ln -s $PRG $BIN/date
	ln -s $PRG $BIN/dd
	ln -s $PRG $BIN/df
	ln -s $PRG $BIN/domainname
	ln -s $PRG $BIN/echo
	ln -s $PRG $BIN/expr
	ln -s $PRG $BIN/getfacl
	ln -s $PRG $BIN/hostname
	ln -s $PRG $BIN/kenv
	ln -s $PRG $BIN/kill
	ln -s $PRG $BIN/ln
	ln -s $PRG $BIN/link
	ln -s $PRG $BIN/ls
	ln -s $PRG $BIN/mkdir
	ln -s $PRG $BIN/mv
	ln -s $PRG $BIN/pax
	ln -s $PRG $BIN/pkill
	ln -s $PRG $BIN/pgrep
	ln -s $PRG $BIN/sh
	ln -s $PRG $BIN/-sh
	ln -s $PRG $BIN/ps
	ln -s $PRG $BIN/pwait
	ln -s $PRG $BIN/pwd
	ln -s $PRG $BIN/realpath
	ln -s $PRG $BIN/rm
	ln -s $PRG $BIN/unlink
	ln -s $PRG $BIN/rmdir
	ln -s $PRG $BIN/setfacl
	ln -s $PRG $BIN/sleep
	ln -s $PRG $BIN/stty
	ln -s $PRG $BIN/sync
	ln -s $PRG $BIN/uuidgen

	ln -s $PRG $SBIN/adjkerntz
	ln -s $PRG $SBIN/atacontrol
	ln -s $PRG $SBIN/badsect
	ln -s $PRG $SBIN/bsdlabel
	ln -s $PRG $SBIN/disklabel
	ln -s $PRG $SBIN/camcontrol
	ln -s $PRG $SBIN/ccdconfig
	ln -s $PRG $SBIN/comcontrol
	ln -s $PRG $SBIN/conscontrol
	ln -s $PRG $SBIN/devfs
	ln -s $PRG $SBIN/dhclient
	ln -s $PRG $SBIN/dmesg
	ln -s $PRG $SBIN/dump
	ln -s $PRG $SBIN/rdump
	ln -s $PRG $SBIN/dumpfs
	ln -s $PRG $SBIN/dumpon
	ln -s $PRG $SBIN/fdisk
	ln -s $PRG $SBIN/ffsinfo
	ln -s $PRG $SBIN/fsck
	ln -s $PRG $SBIN/fsck_ffs
	ln -s $PRG $SBIN/fsck_ufs
	ln -s $PRG $SBIN/fsck_4.2bsd
	ln -s $PRG $SBIN/fsck_msdosfs
	ln -s $PRG $SBIN/gbde
	ln -s $PRG $SBIN/ggatec
	ln -s $PRG $SBIN/ggated
	ln -s $PRG $SBIN/ggatel
	ln -s $PRG $SBIN/-geom
	ln -s $PRG $SBIN/glabel
	ln -s $PRG $SBIN/gpart
	ln -s $PRG $SBIN/growfs
	ln -s $PRG $SBIN/hastctl
	ln -s $PRG $SBIN/hastd
	ln -s $PRG $SBIN/ifconfig
	ln -s $PRG $SBIN/init
	ln -s $PRG $SBIN/ipfw
	ln -s $PRG $SBIN/iscontrol
	ln -s $PRG $SBIN/kldconfig
	ln -s $PRG $SBIN/kldload
	ln -s $PRG $SBIN/kldstat
	ln -s $PRG $SBIN/kldunload
	ln -s $PRG $SBIN/ldconfig
	ln -s $PRG $SBIN/md5
	ln -s $PRG $SBIN/sha1
	ln -s $PRG $SBIN/sha256
	ln -s $PRG $SBIN/rmd160
	ln -s $PRG $SBIN/mdconfig
	ln -s $PRG $SBIN/mdmfs
	ln -s $PRG $SBIN/mount_mfs
	ln -s $PRG $SBIN/mknod
	ln -s $PRG $SBIN/mksnap_ffs
	ln -s $PRG $SBIN/mount
	ln -s $PRG $SBIN/mount_cd9660
	ln -s $PRG $SBIN/mount_msdosfs
	ln -s $PRG $SBIN/mount_nfs
	ln -s $PRG $SBIN/mount_ntfs
	ln -s $PRG $SBIN/mount_nullfs
	ln -s $PRG $SBIN/mount_udf
	ln -s $PRG $SBIN/mount_unionfs
	ln -s $PRG $SBIN/natd
	ln -s $PRG $SBIN/newfs
	ln -s $PRG $SBIN/newfs_msdos
	ln -s $PRG $SBIN/nfsiod
	ln -s $PRG $SBIN/nos-tun
	ln -s $PRG $SBIN/pfctl
	ln -s $PRG $SBIN/pflogd
	ln -s $PRG $SBIN/ping
	ln -s $PRG $SBIN/ping6
	ln -s $PRG $SBIN/quotacheck
	ln -s $PRG $SBIN/reboot
	ln -s $PRG $SBIN/halt
	ln -s $PRG $SBIN/fastboot
	ln -s $PRG $SBIN/fasthalt
	ln -s $PRG $SBIN/recoverdisk
	ln -s $PRG $SBIN/restore
	ln -s $PRG $SBIN/rrestore
	ln -s $PRG $SBIN/route
	ln -s $PRG $SBIN/rtsol
	ln -s $PRG $SBIN/savecore
	ln -s $PRG $SBIN/setkey
	ln -s $PRG $SBIN/shutdown
	ln -s $PRG $SBIN/spppcontrol
	ln -s $PRG $SBIN/swapon
	ln -s $PRG $SBIN/swapoff
	ln -s $PRG $SBIN/swapctl
	ln -s $PRG $SBIN/sysctl
	ln -s $PRG $SBIN/tunefs
	ln -s $PRG $SBIN/umount
	ln -s $PRG $SBIN/zfs
	ln -s $PRG $SBIN/zpool

	chown -hR root:wheel $ROOTFS
}

build_image()
{
	echo "+++ Build ELWIX RootFS image ..."
	makefs -s ${ROOTFS_SIZE} -o minfree=0 $REL/$ROOTFS_IMG $ROOTFS
}

install_image()
{
	echo "+++ Install ELWIX RootFS Image into kernel ..."
	START=`strings -td $KERNEL | grep "MFS Filesystem" | cut -d ' ' -f 1 | head -1`
	STOP=`strings -td $KERNEL | grep "MFS Filesystem" | cut -d ' ' -f 1 | tail -1`
	STOP=$(($STOP + 1))

	head -c $START $KERNEL >$NEWKERN
	cat $REL/$ROOTFS_IMG >>$NEWKERN
	tail -c +$STOP $KERNEL >>$NEWKERN

	cd $REL
	gzip -9 kernel
	cd -
}

### main()
if SnitVer ${WORLD}/elwix.ver; then
	clean_elwix
	prepare_elwix
	build_elwix

	build_rootdir
	install_rootfs

	build_image
	install_image
else
	echo "Skipped ELWIX RootFS build ..."
fi

echo "+++ Complete build ELWIX RootFS"