post_install() {
	getent passwd btpd > /dev/null 2>&1 || \
	useradd -r -m -d /var/lib/btpd -s /bin/nologin btpd
}

post_upgrade() {
	post_install
}

post_remove() {
	getent passwd btpd > /dev/null 2>&1 && \
	userdel -r btpd > /dev/null 2>&1
}