post_update() {
	if getent group ladvd &>/dev/null; then
		usermod -R ladvd ladvd >/dev/null
		groupdel ladvd >/dev/null
	fi
}

post_install() {
	if ! getent passwd ladvd &>/dev/null; then
		useradd -r -u 142 -d /run/ladvd -s /bin/false ladvd >/dev/null
	fi
}

post_remove() {
	if getent passwd ladvd &>/dev/null; then
		userdel ladvd >/dev/null
	fi
	if getent group ladvd &>/dev/null; then
		groupdel ladvd >/dev/null
	fi
}