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


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

quiet=n

# if break=nfs-squashfs STOP here
maybe_break nfs-squashfs



# if use NFS try to mount:
#
#   SERVER_IP:/var/lib/tcos/fs-$(uname -r)
#





# SQUASHFS NFS ?
SQUASHFS_MODE=$(read_cmdline_var "squashfs" "")


if [ "${SQUASHFS_MODE}" = "nfs" ]; then

  MNTOPT="ro,nolock,rsize=2048,wsize=2048,retrans=10"
  NFS_RO=/mnt/nfs-squashfs
  mkdir -p $NFS_RO

  log_begin_msg "Trying to mount NFS-SQUAHSFS"
    nfsmount -o $MNTOPT $(read_server "nfs-server"):${TCOS_VAR}/tftp ${NFS_RO} 2>/dev/null


  # try again
  if [ $? -ne 0 ]; then
    log_begin_msg "Second retry to mount NFS-SQUAHFS"
       nfsmount -o $MNTOPT $(read_server "nfs-server"):${TCOS_VAR}/tftp ${NFS_RO} 2> /dev/null
  fi

  if [ $? -ne 0 ]; then
    panic "Unable to mount NFS, check NFS service in server and ${TCOS_VAR}/tftp dir"
  fi

  log_end_msg 0

  # copy squashfs file in /mnt/tmp to not download
  log_begin_msg "Copy SQUASHFS to /mnt/tmp"
    touch /tmp/downloading
    /sbin/down-listener &
    cp ${NFS_RO}/usr-$(uname -r).squashfs /mnt/tmp/usr-$(uname -r).squashfs
    rm -f /tmp/downloading
  log_end_msg 0

  umount ${NFS_RO}

elif [ "${SQUASHFS_MODE}" = "http" ]; then


  log_begin_msg "Downloading SQUASHFS using HTTP"
    touch /tmp/downloading
    /sbin/down-listener &
    wget http://$(read_server "nfs-server"):8080/usr-$(uname -r).squashfs -O- > /mnt/tmp/usr-$(uname -r).squashfs
    rm -f /tmp/downloading
  log_end_msg 0


fi # end of SQUASHFS_MODE





exit 0