sddm, with silentsddm

nixosModules/services/tuigreet/service.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, lib, ... }:
+
+{
+  options.tuigreet = {
+    enable = lib.mkEnableOption "enables tuigreet with greetd";
+  };
+
+  config = lib.mkIf config.tuigreet.enable {
+    services.greetd = let 
+      wm = 
+        if config.hyprland.enable then "Hyprland"
+        else (if config.niri.enable then "niri" else null);
+    in {
+      enable = true;
+      package = pkgs.tuigreet;
+      settings = {
+        default_session = lib.mkIf (wm != null) {
+          command = "${pkgs.tuigreet}/bin/tuigreet --time --cmd ${wm}";
+          user = "greeter";
+        };
+      };
+    };
+  };
+}