liminix

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extlinux.nix (1034B)

      1 {
      2   config
      3 , pkgs
      4 , lib
      5 , ...
      6 }:
      7 let
      8   inherit (lib) mkIf mkEnableOption mkOption types concatStringsSep;
      9   cfg = config.boot.loader.extlinux;
     10   o = config.system.outputs;
     11   cmdline = concatStringsSep " " config.boot.commandLine;
     12   wantsDtb = config.hardware.dts ? src && config.hardware.dts.src != null;
     13 in {
     14   options.system.outputs.extlinux = mkOption {
     15     type = types.package;
     16     # description = "";
     17   };
     18   options.boot.loader.extlinux.enable = mkEnableOption "extlinux";
     19 
     20   config =  { # mkIf cfg.enable {
     21     system.outputs.extlinux = pkgs.runCommand "extlinux" {} ''
     22       mkdir $out
     23       cd $out
     24       ${if wantsDtb then "cp ${o.dtb} dtb" else "true"}
     25       cp ${o.initramfs} initramfs
     26       cp ${o.zimage}  kernel
     27       mkdir extlinux
     28       cat > extlinux/extlinux.conf << _EOF
     29       menu title Liminix
     30       timeout 100
     31       label Liminix
     32         kernel /boot/kernel
     33         # initrd /boot/initramfs
     34         append ${cmdline} root=/dev/vda1
     35         ${if wantsDtb then "fdt /boot/dtb" else ""}
     36       _EOF
     37     '';
     38   };
     39 }