post_install() {
  # Enable for the next boot; never restart the active graphical session.
  systemctl daemon-reload >/dev/null 2>&1 || true
  systemctl enable devario-gpu-hotplug.service
}

post_upgrade() {
  # Preserve an administrator's enable/disable choice on later upgrades.
  systemctl daemon-reload >/dev/null 2>&1 || true
}
