modular unfree whitelist

modules/base.nix

@@ -1,13 +1,23 @@
-{ config, pkgs, mainDisk, ... }:
+{ config, pkgs, mainDisk, lib, ... }:
 
+let 
+    cfg = config.my.allowUnfree;
+in
 {
+    options = {
+        my.allowUnfree.names = lib.mkOption {
+            type = lib.types.listOf lib.types.str;
+            default = [];
+            description = "Package names allowed by allowUnfreePredicate";
+        };
+    };
+    config = {
         nix.settings = {
             experimental-features = [ "nix-command" "flakes" ];
             auto-optimise-store = true;
         };
 
         programs.zsh.enable = true;
-
         environment.systemPackages = with pkgs; [
             git
             curl
@@ -15,4 +25,9 @@
             tmux
             neovim
         ];
+
+        nixpkgs.config.allowUnfreePredicate = 
+            pkg: builtins.elem (lib.getName pkg) cfg.names;
+    };
+    
 }

modules/gaming.nix

@@ -1,7 +1,7 @@
 { config, pkgs, myUser, release, lib, ... }:
 
 {
-    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    my.allowUnfree.names = lib.mkAfter [
         "steam"
         "steam-unwrapped"
     ];

modules/plasma.nix

@@ -12,8 +12,9 @@
 
     # Nvidia
 
-    nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+    my.allowUnfree.names = lib.mkAfter [
         "nvidia-x11"
+        "nvidia-settings"
     ];
     hardware.graphics.enable = true;
     services.xserver.videoDrivers = [ "nvidia" ];