extract obs kernel module

configuration.nix

@@ -1,5 +1,4 @@
-{ ... }@all: with all;
-{
+{ ... }@all: with all; {
   imports = [
     inputs.sops-nix.nixosModules.sops
     ./system-modules/adb.nix
@@ -26,6 +25,7 @@
     ./system-modules/networking.nix
     ./system-modules/nixd.nix
     ./system-modules/nvidia.nix 
+    ./system-modules/obs.nix
     ./system-modules/ollama.nix
     ./system-modules/qmk.nix
     ./system-modules/scanning.nix

system-modules/boot.nix

@@ -9,7 +9,6 @@ let
    });
   device-boot = if hyper.host == "NxNORTH" then {
     kernelPackages = pkgs.linuxPackages_zen;
-    environment.systemPackages = with pkgs; [ sbctl ];
     lanzaboote = {
       enable = true;
       pkiBundle = "/var/lib/sbctl";
@@ -61,10 +60,10 @@ in {
   imports = if hyper.host == "NxNORTH" then [
     inputs.lanzaboote.nixosModules.lanzaboote
   ] else [];
-  config.boot = {
-    extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
-    kernelModules = [ "v4l2loopback" ];
-    extraModprobeConfig = ''options v4l2loopback devices=1 video_nr=1 card_label="OBS Cam" exclusive_caps=1'';
-    tmp.useTmpfs = false; 
-  } // device-boot;
+  config = {
+    environment.systemPackages = with pkgs; lib.mkIf ( host == "NxNORTH" ) [ sbctl ];
+    boot ={
+      tmp.useTmpfs = false; 
+    } // device-boot;
+  };
 }

system-modules/obs.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }@all: with all; {
+  boot = {
+    extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+    kernelModules = [ "v4l2loopback" ];
+    extraModprobeConfig = ''options v4l2loopback devices=1 video_nr=1 card_label="OBS Cam" exclusive_caps=1'';
+  };
+}