machine_setup/nix/configuration/roles/amd_s2idle/default.nix

{
  config,
  lib,
  pkgs,
  ...
}:

{
  imports = [ ];

  options.me = {
    amd_s2idle.enable = lib.mkOption {
      type = lib.types.bool;
      default = false;
      example = true;
      description = "Whether we want to install amd_s2idle.";
    };
  };

  config = lib.mkIf config.me.amd_s2idle.enable (
    lib.mkMerge [
      {
        environment.systemPackages = with pkgs; [
          amd-debug-tools
        ];
        nixpkgs.overlays = [
          (
            final: prev:
            let
              innerPackage = (final.callPackage ./package.nix { });
            in
            {
              amd-debug-tools = innerPackage;
            }
          )
          (final: prev: {
            pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
              (python-final: python-prev: {
                cysystemd = (python-final.callPackage ./cysystemd.nix { });
              })
            ];
          })
        ];
      }
    ]
  );
}