Add amd_s2idle script for debugging s2idle.

nix/configuration/roles/amd_s2idle/default.nix

@@ -0,0 +1,59 @@
+{
+  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_s2idle
+        ];
+        nixpkgs.overlays = [
+          (
+            final: prev:
+            let
+              innerPackage = (final.callPackage ./package.nix { });
+            in
+            {
+              amd_s2idle = innerPackage;
+              # amd_s2idle = final.buildEnv {
+              #   name = innerPackage.name;
+              #   paths = [
+              #     innerPackage
+              #   ];
+              #   nativeBuildInputs = [ final.makeWrapper ];
+              #   postBuild = ''
+              #     wrapProgram $out/bin/amd_s2idle --prefix PATH : ${
+              #       lib.makeBinPath [
+              #         (final.python3.withPackages (python-pkgs: [
+              #           python-pkgs.distro # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+              #           python-pkgs.pyudev # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+              #           python-pkgs.systemd # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+              #           python-pkgs.packaging # For https://gitlab.freedesktop.org/drm/amd/-/blob/master/scripts/amd_s2idle.py
+              #         ]))
+              #       ]
+              #     }
+              #   '';
+              # };
+            }
+          )
+        ];
+      }
+    ]
+  );
+}