post_install() {
	getent group spread &>/dev/null || groupadd -r spread >/dev/null
	getent passwd spread &>/dev/null || useradd -r -d /var/lib/spread -s /bin/false -g spread spread >/dev/null
	true
}

post_upgrade() {
	post_install
    true
}

pre_remove() {
	systemctl stop spread.service &>/dev/null
	true
}

post_remove() {
	getent passwd spread &>/dev/null && userdel spread >/dev/null
	getent group spread &>/dev/null && groupdel spread >/dev/null
	true
}