liminix/modules/outputs/extlinux.nix

38 lines
896 B
Nix

{
config
, pkgs
, lib
, ...
}:
let
inherit (lib) mkIf mkEnableOption mkOption types concatStringsSep;
cfg = config.boot.loader.extlinux;
o = config.system.outputs;
cmdline = concatStringsSep " " config.boot.commandLine;
in {
options.system.outputs.extlinux = mkOption {
type = types.package;
# description = "";
};
options.boot.loader.extlinux.enable = mkEnableOption "extlinux";
config = { # mkIf cfg.enable {
system.outputs.extlinux = pkgs.runCommand "extlinux" {} ''
mkdir $out
cd $out
# cp {o.dtb} dtb
cp ${o.initramfs} initramfs
gzip -9f < ${o.kernel} > kernel.gz
mkdir extlinux
cat > extlinux/extlinux.conf << _EOF
menu title Liminix
timeout 100
label Liminix
kernel /boot/kernel.gz
initrd /boot/initramfs
append ${cmdline}
# fdt /boot/dtb
_EOF
'';
};
}