post_install() { echo ":: Enabling twist-flashlight service" systemctl enable twist-flashlight.service echo ":: Starting twist-flashlight service" systemctl start twist-flashlight.service } post_upgrade() { echo ":: Enabling twist-flashlight service" systemctl enable twist-flashlight.service echo ":: Starting twist-flashlight service" systemctl start twist-flashlight.service } pre_remove() { echo ":: Disabling twist-flashlight service" systemctl disable twist-flashlight.service echo ":: Stopping twist-flashlight service" systemctl stop twist-flashlight.service }