post_install() {
	getent group craftbukkit >/dev/null 2>&1 || groupadd craftbukkit
	getent passwd craftbukkit >/dev/null 2>&1 || useradd -g craftbukkit -d /srv/craftbukkit -s /bin/bash craftbukkit
	chown -R craftbukkit:craftbukkit /srv/craftbukkit/
}

post_upgrade() {
	post_install $1
}

post_remove() {
	if getent passwd craftbukkit >/dev/null 2>&1; then
		userdel craftbukkit
	fi
	if getent group craftbukkit >/dev/null 2>&1; then
		groupdel craftbukkit
	fi

	echo "There are probably still files in /srv/craftbukkit, you must remove those manually!" >&2
}