pre_install() {
	echo "	==> You can boot up systemd any time if systemd is used for udev."
	echo "	==> Add 'init=/usr/lib/systemd/systemd' to kernel command line."
}

post_install() {
        echo "	==> Install one of the optional depends for network support!"
}

post_upgrade() {
	post_install "$1"
}

post_remove() {
	echo "	==> Make sure you install systemd-sysvcompat before you reboot!"
}