install_ipxe() {
	[ -z "$1" ] && perror "Call install_ipxe with target directory!"
	git clone --depth 1 git://git.ipxe.org/ipxe.git "$1" || perror "Cloning ipxe repo failed"
	wget -O "$1/pxelinux.0" "$HTTP_BASE/pxelinux.0" || perror "Could not download pxelinux 4 from $HTTP_BASE"
}