#!/bin/sh
# 
if [ "$1" = "prereqs" ]; then
  exit 0
fi

quiet=n

. /scripts/functions
# if break=sqmount STOP here
maybe_break rootfs


. /conf/tcos.conf
. /conf/tcos-run-functions



##############################################
TCOS_ENABLE_USENFS=$(read_cmdline_var "usenfs" "${TCOS_USENFS}")

if [ "$TCOS_ENABLE_USENFS" != "1" ]; then
  _log "ROOTFS no NFS support, exiting"
  exit 0
fi



rootfs_file=/mnt/tmp/rootfs-$(uname -r).squashfs
mkdir -p /mnt/tmp /target

if [ "${TCOS_USENFS}" = "nfs" ]; then
  value=0
  log_begin_msg "Mounting NFS /mnt/tmp"
    MOPTS="nolock,ro"
    mount -n -t ramfs none /target
    nfsmount -o ${MOPTS} $(read_server "nfs-server"):${nfs_dir} /mnt/tmp 2>&1 > /dev/null ||\
	 nfsmount -o ${MOPTS} $(read_server "nfs-server"):${nfs_dir} /mnt/tmp 2>&1 > /dev/null ||\
	  value=1 
  log_end_msg $value

fi


##############################################
TCOS_ENABLE_ROOTFS=$(read_cmdline_var "rootfs" "${TCOS_ROOTFS}")

if [ "$TCOS_ENABLE_ROOTFS" != "1" ]; then
  _log "ROOTFS no rootfs support, exiting"
  exit 0
fi


if [ ! -f ${rootfs_file} ]; then
  _log "ROOTFS is __NOT__ in /mnt/tmp"
  log_begin_msg "Downloading rootfs"
     download_file /tcos/rootfs-$(uname -r).squashfs ${rootfs_file}
  log_end_msg $?
else
  _log "ROOTFS is in /mnt/tmp"
  log_begin_msg "Using NFS rootfs"
    sync
  log_end_msg $?
fi

update_progress

  
# Mount squashfs filesystems
_log "ROOTFS mounting rootfs in /target"
log_begin_msg "Mounting rootfs filesystem"
   mount -r -o loop -t squashfs ${rootfs_file} /target >> /tmp/initramfs.debug 2>&1
log_end_msg $?
echo 36 > /tmp/progress
update_progress

  
_log "ROOTFS remounting /target as RW"
log_begin_msg "Remounting /target in rw mode"
   mkdir -p /.target
   mount_unionfs /mnt/rootram /.target /target
log_end_msg $?

update_progress
  

_log "ROOTFS copy some things on /target"

# copy some things
rm -rf /target/conf/    && cp -ra /conf/   /target/
rm -rf /target/scripts/ && cp -ra /scripts/  /target/
mkdir -p /target/tmp    && cp -ra /tmp/*     /target/tmp

mkdir -p /var/lib/dhcp/
cp /var/lib/dhcp/dhclient.leases /target/var/lib/dhcp/dhclient.leases

cp /etc/hostname /target/etc/hostname
cp /etc/resolv.conf /target/etc/resolv.conf
cp /etc/fstab /target/etc/fstab
cp /etc/mtab /target/etc/mtab
  


_log "ROOTFS creating init_rootfs script"
  
# make a /sbin/init_rootfs
cat << EOF >> /target/init2
#!/bin/sh

echo "Loading second stage, please wait..."
. /conf/initramfs.conf
. /scripts/functions

run_scripts /scripts/tcos-bottom
  
EOF

chmod 755 /target/init2

_log "ROOTFS pivot_root /target"

cd /target
pivot_root . ../

_log "ROOTFS mounting /dev /proc and /sys into /target"
# mount -o bind some things
log_begin_msg "Moving /dev /proc and /sys"
  mkdir -p /target/dev /target/proc /target/sys /target/mnt/tmp
  mount -n -o move /dev  /target/dev
  mount -n -o move /sys  /target/sys
  mount -n -o move /mnt/tmp  /target/mnt/tmp
  mount -n -o move /proc /target/proc
log_end_msg $?


# enter to jail
exec chroot . /scripts/init2 <dev/console >dev/console 2>&1

_log "ROOTFS run-init /script"
#exec run-init /target/ /scripts/init2 "$@" </target/dev/console >/target/dev/console
  
#update progress




exit 0