Try out gdm

modules/linux/hyprland.nix

@@ -4,14 +4,14 @@ in with lib; {
   config = mkMerge [
     (mkIf nc.hyprland.enableGreetd {
       # Greetd for login
-      programs.regreet = {
-        enable = true;
-        settings = { GTK = { font_name = "Roboto 16"; }; };
-      };
-      services.greetd = {
-        enable = true;
-        settings = { default_session.command = "cage -s -- regreet"; };
-      };
+      # programs.regreet = {
+      #   enable = true;
+      #   settings = { GTK = { font_name = "Roboto 16"; }; };
+      # };
+      # services.greetd = {
+      #   enable = true;
+      #   settings = { default_session.command = "cage -s -- regreet"; };
+      # };
       environment.systemPackages = with pkgs; [
         # Greeter packages
         cage
@@ -23,9 +23,14 @@ in with lib; {
       # Turn on GDM for login
       services.xserver = {
         enable = true;
-        autorun = false;
+        autorun = true;
         # Enable plasma for the applications
         desktopManager.plasma5.enable = true;
+        displayManager.defaultSession = "hyprland";
+        displayManager.gdm = {
+          enable = true;
+          wayland = true;
+        };
       };
       # Setup drivers
       hardware.opengl = {
@@ -42,21 +47,6 @@ in with lib; {
         gsettings-desktop-schemas
         lxappearance
         kde-gtk-config
-        (stdenv.mkDerivation rec {
-          pname = "sddm-sugar-dark-theme";
-          version = "1.2";
-          dontBuild = true;
-          installPhase = ''
-            mkdir -p $out/share/sddm/themes
-            cp -aR $src $out/share/sddm/themes/sugar-dark
-          '';
-          src = fetchFromGitHub {
-            owner = "MarianArlt";
-            repo = "sddm-sugar-dark";
-            rev = "v${version}";
-            sha256 = "0gx0am7vq1ywaw2rm1p015x90b75ccqxnb1sz3wy8yjl27v82yhb";
-          };
-        })
       ];
       qt.platformTheme = "qt5ct";
       # Enable and configure hyperland