#! /bin/sh
set -e

FSTAB_CFG="/target/etc/fstab"
UUID_DIR="/dev/disk/by-uuid" 

if [ -f "${FSTAB_CFG}" ]; then
  
  UUID=`sed -n "/UUID=.*[[:blank:]]swap[[:blank:]]/s%UUID=\(.*\)[[:blank:]]%\1 %p" $FSTAB_CFG|cut -d " " -f1`
  LINK="$UUID_DIR/$UUID"

  
  if  [ -n $UUID -a -h $LINK ]; then
     DEVICE=`readlink -f $LINK`
     sed -i -e "s%UUID=$UUID%$DEVICE%g" "$FSTAB_CFG"
  fi

fi

exit 0