post_install() {
  systemctl daemon-reload
  systemctl enable --now proton.VPN.service
}

post_upgrade() {
  systemctl daemon-reload
  if ! systemctl is-enabled --quiet proton.VPN.service; then
    systemctl enable proton.VPN.service
  fi
  systemctl restart proton.VPN.service
}

pre_remove() {
  systemctl disable --now proton.VPN.service
}
