#!/bin/bash
LLX_LIB="/usr/share/lliurex/llxcfg-common/llxcfg-common.sh"
[ -f "${LLX_LIB}" ] || exit 0
. ${LLX_LIB}

gen_md5(){
   md5-encode "$(tree -fin $LLXCFG_JUMBLE_SKEL $LLXCFG_JUMBLE_TEMPLATES)"
}

save_md5(){
   echo "$NEW_MD5SUM" |llxcfg-install - "$LLXCFG_JUMBLE_MD5SUM"
}

NEW_MD5SUM="$(gen_md5)"
if [ -r "$LLXCFG_JUMBLE_MD5SUM" ] ; then
   read OLD_MD5SUM < "$LLXCFG_JUMBLE_MD5SUM"
   if [ "$OLD_MD5SUM" = "$NEW_MD5SUM" ] ; then
      # NO upgrade
      exit 1
   fi
fi

save_md5

# let's go with the upgrade
exit 0