Move nvidia into an option

hardware/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./dvd
+    ./nvidia
   ];
 }
 

hardware/nvidia/default.nix

@@ -1,16 +1,25 @@
-{ ... }:
+{ config, lib, ... }:
+let
+  cfg = config.hardware.az_nvidia;
+in
 {
-  environment = {
-    variables = {
-      XDG_DATA_HOME = "$HOME/.local/share";
+  options = {
+    hardware.az_nvidia.enable = lib.mkEnableOption "Nvidia GPU Support";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment = {
+      variables = {
+        XDG_DATA_HOME = "$HOME/.local/share";
+      };
+    };
+
+    hardware.nvidia.prime = {
+      # Bus ID of the Intel GPU. You can find it using lspci, either under 3D or VGA
+      intelBusId = "PCI:00:02:0";
+
+      # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA
+      nvidiaBusId = "PCI:01:00:0";
     };
   };
-
-  hardware.nvidia.prime = {
-    # Bus ID of the Intel GPU. You can find it using lspci, either under 3D or VGA
-    intelBusId = "PCI:00:02:0";
-
-    # Bus ID of the NVIDIA GPU. You can find it using lspci, either under 3D or VGA
-    nvidiaBusId = "PCI:01:00:0";
-  };
 }

systems/gwyn/default.nix

@@ -5,7 +5,6 @@
     custom.inputs.nixos-hardware.nixosModules.common-gpu-nvidia
     custom.inputs.nixos-hardware.nixosModules.common-gpu-intel
     "${custom.inputs.self}/hardware/bluetooth"
-    "${custom.inputs.self}/hardware/nvidia"
     (import "${custom.inputs.self}/modules/desktop" { inherit custom; })
     "${custom.inputs.self}/modules/logs-share"
     (import "${custom.inputs.self}/modules/restic-client-desktop" { inherit custom; })
@@ -51,6 +50,7 @@
   ];
 
   hardware = {
+    az_nvidia.enable = true;
     dvd.enable = true;
   };