pre_install() {
  if [ -d /etc/burg-manager ]
 then 
  rm -fr /etc/burg-manager
 fi
 if [ -z /etc/burg.d/50_iso ] 
 then 
  rm /etc/burg.d/50_iso
 fi
}


pre_upgrade() {
  pre_install
}

post_upgrade() {
  pre_install
}


post_remove() {
 pre_install
}