Added nixgreety module

modules/default.nix

@@ -18,6 +18,7 @@ with lib;
     ./fontconfig/default.nix
     ./graphics/default.nix
     ./greeter/greetd/default.nix
+    ./greeter/greetd/nixgreety.nix
     ./greeter/greetd/tuigreet.nix
     ./greeter/ly/default.nix
     ./locale/default.nix

modules/greeter/greetd/default.nix

@@ -24,7 +24,7 @@ in
       enable = true;
       settings.default_session = {
         command = cfg.command;
-        user = "greeter";
+        user = mkDefault "greeter";
       };
     };
   };

modules/greeter/greetd/nixgreety.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+with lib;
+let
+  cfg = config.modules.nixgreety;
+in
+{
+  options.modules.nixgreety = {
+    enable = mkEnableOption "nixgreety";
+  };
+
+  config = mkIf cfg.enable {
+    # Enable greetd
+    modules.greetd = {
+      enable = true;
+      command = "${pkgs.nixgreety}/bin/nixgreety";
+    };
+
+    services.greetd.settings.default_session.user = "root";
+
+    environment.systemPackages = with pkgs; [
+      nixgreety
+    ];
+  };
+}