[virtualbox] Move into proper module

nixos/hosts/Tibo-NixFat/default.nix

@@ -5,7 +5,6 @@
     ./hardware-configuration.nix
     ../../modules-old/hardware/nvidia.nix
 
-    ../../modules-old/apps/virtualbox
     ../../modules-old/des/gnome
   ];
 

nixos/modules-old/apps/default.nix

@@ -4,6 +4,5 @@
         ./kitty
         ./steam
         ./thunderbird
-        # ./virtualbox
     ];
 }

nixos/modules-old/apps/virtualbox/default.nix

@@ -1,17 +0,0 @@
-{
-
-    virtualisation.virtualbox = {
-        host = {
-            enable = true;
-            enableExtensionPack = true;
-        };
-        guest = {
-            enable = true;
-            x11 = true;
-        };
-    };
-    users.extraGroups.vboxusers.members = [
-        "user-with-access-to-virtualbox"
-    ];
-
-}

nixos/modules/default.nix

@@ -4,5 +4,6 @@
   imports = [
     ./programs
     ./users
+    ./virtualisation
   ];
 }

nixos/modules/users/tdpeuter/default.nix

@@ -30,7 +30,6 @@ in {
         # If you specify an application here, it will be detected by the configuration module
         #  and the configuration files will be put in place for you.
         packages = with pkgs; [
-          brave
           duf
           jellyfin-media-player
           libreoffice-fresh

nixos/modules/virtualisation/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./virtualbox
+  ];
+}

nixos/modules/virtualisation/virtualbox/default.nix

@@ -0,0 +1,23 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.sisyphus.virtualisation.virtualbox;
+in {
+  options.sisyphus.virtualisation.virtualbox.enable = lib.mkEnableOption "VirtualBox";
+
+  config = lib.mkIf cfg.enable {
+    virtualisation.virtualbox = {
+      host = {
+        enable = true;
+        enableExtensionPack = true;
+      };
+      guest = {
+        enable = true;
+        x11 = true;
+      };
+    };
+    users.extraGroups.vboxusers.members = [
+      "user-with-access-to-virtualbox"
+    ];
+  };
+}