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" cd "$1" git apply --ignore-whitespace < "${BASEDIR}/static_files/ipxe.patch" || perror "Could not patch ipxe compile-time configuration" cd - > /dev/null wget -O "$1/pxelinux.0" "$HTTP_BASE/pxelinux.0" || perror "Could not download pxelinux 4 from $HTTP_BASE" }