added mkOverride

config.nix

@@ -17,7 +17,7 @@
     nixos = {
       Hostname = "hakase";
       Timezone = "America/Chicago";
-      enableSteamOS = true;
+      enableSteamOS = false;
 
       Boot = {
         mode = "systemd"; # systemd or grub

hosts/hakase/configuration.nix

@@ -96,13 +96,13 @@
   };
 
   services = {
-    displayManager.sessionPackages = lib.mkIf (!myConfig.nixos.enableSteamOS) [inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland];
+    displayManager.sessionPackages = [inputs.hyprland.packages.${pkgs.stdenv.hostPlatform.system}.hyprland];
-    getty.autologinUser = lib.mkIf (!myConfig.nixos.enableSteamOS) "${myConfig.essentials.Username}";
+    getty.autologinUser = lib.mkDefault "${myConfig.essentials.Username}";
-    greetd = lib.mkIf (!myConfig.nixos.enableSteamOS) {
+    greetd = {
       enable = true;
       settings.default_session = {
-        user = "${myConfig.essentials.Username}";
+        user = lib.mkOverride 10 "${myConfig.essentials.Username}";
-        command = "Hyprland";
+        command = lib.mkDefault "Hyprland";
       };
     };
     seatd.enable = true;

packages/hypridle/home.nix

@@ -1,6 +1,6 @@
 {...}: {
   services.hypridle = {
-    enable = true;
+    enable = false;
     settings = {
       general = {
         lock_cmd = "pidof hyprlock || hyprlock"; # avoid starting multiple hyprlock instances.

packages/steam/jovian.nix

@@ -2,6 +2,7 @@
   inputs,
   pkgs,
   myConfig,
+  lib,
   ...
 }: {
   imports = [
@@ -13,7 +14,7 @@
   };
   # environment.systemPackages = with pkgs; [inputs.jovian.packages.${system}.default];
   jovian.steam.enable = true;
-  jovian.steam.autoStart = true;
+  jovian.steam.autoStart = myConfig.nixos.enableSteamOS;
   jovian.steam.desktopSession = "hyprland";
   jovian.steam.user = "${myConfig.essentials.Username}";
   jovian.hardware.has.amd.gpu = true;