enable display manager on desktop

osConfigs/hosts/desktop.nix

@@ -2,12 +2,6 @@
 { config, lib, inputs, pkgs, ... }:
 
 {
-  imports = [
-    ../modules/game.nix
-	../modules/nvidia.nix
-	../modules/vboxHost.nix
-  ];
-
   environment.systemPackages = with pkgs; [
   	cudatoolkit
   	lm_sensors
@@ -18,6 +12,7 @@
   hardware.cpu.intel.updateMicrocode = true;
 
   boot.kernelModules = [ "kvm-intel" "nvidia" ];
+  mods.displayManager.enable = true;
 
 
   hardware.nvidia = {

osConfigs/hosts/laptop.nix

@@ -6,8 +6,7 @@
   boot.initrd.luks.devices.cryptroot.device = "/dev/disk/by-uuid/a4593b01-069d-4a5d-a550-74a762b89b3f";
   boot.initrd.luks.devices.cryptroot.allowDiscards = true;
 
-  services.displayManager.enable = true;
-  services.displayManager.ly.enable = true;
+  mods.displayManager.enable = true;
   networking.firewall.enable = false;
 
   networking.hostName = "patate-douce";

osConfigs/modules/displayManager.nix

@@ -0,0 +1,15 @@
+{config, lib, ... }:
+
+{
+  options.mods.displayManager.enable = lib.mkOption {
+    type = lib.types.bool;
+    default = false;
+    description = "enable the display manager";
+  };
+
+  config = lib.mkIf config.mods.displayManager.enable {
+  	services.displayManager.enable = true;
+  	services.displayManager.ly.enable = true;
+  };
+}
+