post_install() {
  echo ':: In order to enable nordvpn you have to start the following service:'
  echo '     sudo systemctl enable --now nordvpnd'
  echo ':: You have to add yourself to the nordvpn group:'
  echo "     sudo gpasswd -a USERNAME nordvpn"
  echo ':: You then have to restart for the group to be created:'
  echo "     reboot"
}

post_upgrade() {
  echo ':: Reminder: 3.17.3v has DNS LEAK and it is unable to connect as usual.'
  echo '     The version above needs heed while using it and should be avoided.'
  echo ':: 3.17.4v fix the issue present in previous version.'
}

pre_install() {
  if [ -d /var/lib/nordvpn/data/ ]; then
  	chattr -i /var/lib/nordvpn/data/*
  fi
}

pre_upgrade() {
  chattr -i /var/lib/nordvpn/data/*
}

pre_remove() {
  chattr -i /var/lib/nordvpn/data/*
}