added greetd

modules/features/niri.nix

@@ -1,13 +1,27 @@
 { self, inputs, ... }: {
-  flake.modules.nixos.niri = { pkgs, lib, ... }: {
+  flake.modules.nixos.niri = { pkgs, lib, ... }:
+  let
+    niriPkg = self.packages.${pkgs.stdenv.hostPlatform.system}.myNiri;
+  in
+  {
     programs.niri = {
       enable = true;
-      package = self.packages.${pkgs.stdenv.hostPlatform.system}.myNiri;
+      package = niriPkg;
     };
     services.displayManager.sddm = {
       enable = true;
       wayland.enable = true;
     };
+    services.greetd = {
+      enable = true;
+      settings = {
+        default_session = {
+          command = (lib.getExe niriPkg);
+          # command = "${config.programs.niri.package}/bin/niri-session";
+          user = "root";
+        };
+      };
+    };
   };
 
   perSystem = { pkgs, lib, self', ... }: