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 to use it:'
  echo "     gpasswd -a USERNAME nordvpn"
}

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

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

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