#!/bin/bash

STORE=/var/lib/carnet-upgrade/debconf-priority

# setiraj debconf na high i spremi stari
debconf_priority_preupgrade () {
  local old_debconf

  old_debconf=$(debconf-show debconf | sed -n '/debconf\/priority: /s///p')

  if [ -n "$old_debconf" ]; then
    echo "$old_debconf" > $STORE
  fi

  echo set debconf/priority high | debconf-communicate
}


# vrati debconf na staru vrijednost
debconf_priority_postupgrade () {
  local new_debconf

  new_debconf=$(test -f $STORE && cat $STORE)

  if [ -n "$new_debconf" ]; then
    echo set debconf/priority "$new_debconf" | debconf-communicate
    rm -f $STORE
  fi
}

# checkiraj
debconf_priority_check () {
  debconf=$(test -f $STORE && cat $STORE)

  if [ -n "$debconf" ]; then
    exit 0
  else
    exit 1
  fi
}

case "$1" in
set)	debconf_priority_preupgrade
	;;
reset)	debconf_priority_postupgrade
        ;;
check)	debconf_priority_check
        ;;
*)	echo "Usage: $0 (set|reset|check)"
        exit 1 
        ;;
esac
exit 0