#!/bin/sh

# Clean up dos2unix temp file.
sync

test -n "$0" || exit 1

FROMWD="$(pwd)"

WORKDIR="$(dirname $0)"
CLONERDIR="/tmp/cloner"
CLONEIMG=${WORKDIR}/img_cloner_3.4.4.ext2
CLONER=${CLONERDIR}/cloner
SYSUPDATE_CLONER=_ysupdate_img_3.4.4.sh

trap cleanup EXIT
cleanup()
{
    cd /

    sleep 2                     # Wait for UI to shut down

    losetup | grep -q . && losetup -d $(losetup | awk -F: '{ print $1}')

    sync
}

/etc/rc.d/init.d/autoexec stop

# Checking SD Card and umount Swap File if present
sd_mount_point="/local/sd_card"
SWAP_FILE="$sd_mount_point/swap/swap_file"
sd_device_path="/dev/mmcblk0"
if [ -e $sd_device_path ]; then
   echo "Found an SD Raw Device: $sd_device_path"
   SD_PRESENT=`mount|grep $sd_mount_point`
   if test -n "$SD_PRESENT"  ; then
      echo "Found an ext3 SD card mounted: $sd_mount_point"
      if [ -e "$SWAP_FILE" ]; then
         echo "Stop Swap File"
         swapoff $SWAP_FILE
      else
         echo "No Swap file present"
      fi
      echo "Umount SD Card $sd_mount_point"
      umount $sd_mount_point
   else
      echo "No SD card mounted"
   fi
else
   echo "No SD card detected"
fi

cd "$WORKDIR"
mount -o remount,ro /

mkdir -p "$CLONERDIR"
test -d "$CLONERDIR" || { echo "*** ERROR: cannot create image directory ${CLONERDIR}."; exit 1; }

losetup | grep -q . && losetup -d $(losetup | awk -F: '{ print $1}')
mount -o ro,loop "$CLONEIMG" "$CLONERDIR" || { echo "*** ERROR: cannot mount cloner image ${CLONEIMG}."; exit 1; }

test -x ${CLONER} || { echo "*** ERROR: missing cloner ${CLONER}."; exit 1; }

# tslib configuration
export TSLIB_CALIBFILE=/etc/pointercal
export TSLIB_CONFFILE=/usr/etc/ts.conf
export TSLIB_CONSOLEDEVICE=none
export TSLIB_PLUGINDIR=${CLONERDIR}/ts
export TSLIB_TSDEVICE=/dev/input/ts0

# Qt configuration
export POINTERCAL_FILE=$TSLIB_CALIBFILE
export QT_QWS_FONTDIR=${CLONERDIR}/fonts
export QWS_MOUSE_PROTO=tslib:$TSLIB_TSDEVICE

# Use our libraries.
export LD_LIBRARY_PATH=${CLONERDIR}

${CLONER}

RESULT=$?
if [ ${RESULT} -eq 42 ]
then
	umount ${CLONERDIR}
	dd if=/dev/zero of=/dev/fb0 
	if ! /bin/mount -o remount,rw / 2>/dev/null
	then
		echo "Cannot mount the file system in read/write." | tee -a $logfile
		if [ -x /usr/bin/splash ]
		then
			killall splash
			/usr/bin/splash -qws --text "<font color=\"red\"><h1>Cannot mount the filesystem in read/write mode.</h1></font>" --dimension 12 >/dev/null 2>&1
		fi
    else
        /usr/bin/dos2unix ${SYSUPDATE_CLONER} 2>&1
        /bin/sh ${SYSUPDATE_CLONER} 2>&1
        # should not arrive here
	fi
else
    killall splash
    /usr/bin/splash -qws --text "<font color=\"red\"><h1>cloner error ${RESULT}.</h1></font>" --dimension 12 >/dev/null 2>&1
fi
exit 1