{
  inputs,
  lib,
  pkgs,
  ...
}:
let

  linux_x13s_pkg =
    { version, buildLinux, ... }@args:
    buildLinux (
      args
      // {
        modDirVersion = version;

        structuredExtraConfig = with lib.kernel; {
          MODULE_COMPRESS = yes;
          MODULE_COMPRESS_ALL = yes;
          MODULE_COMPRESS_XZ = yes;
        };

        extraMeta.branch = lib.versions.majorMinor version;
      }
    );
in
{
  linux_jhovold = pkgs.callPackage linux_x13s_pkg {
    src = inputs.linux-jhovold;
    version = let
      lock = builtins.fromJSON (builtins.readFile ../flake.lock);
      original = builtins.elemAt (builtins.tail (builtins.split "xp-" lock.nodes.linux-jhovold.original.ref)) 1;
      modVersion = lib.versions.pad 3 original;
    in modVersion;

    defconfig = "johan_defconfig";
  };

  graphics-firmware =
    let
      gpu-src = pkgs.fetchurl {
        url = "https://download.lenovo.com/pccbbs/mobiles/n3hdr20w.exe";
        hash = "sha256-Jwyl9uKOnjpwfHd+VaGHjYs9x8cUuRdFCERuXqaJwEY=";
      };
    in
    pkgs.runCommand "graphics-firmware" { } ''
      mkdir -vp "$out/lib/firmware/qcom/sc8280xp/LENOVO/21BX"
      ${lib.getExe pkgs.innoextract} ${gpu-src}
      cp -v code\$GetExtractPath\$/*/*.mbn "$out/lib/firmware/qcom/sc8280xp/LENOVO/21BX/"
    '';
}