lib/config.nix

@@ -42,7 +42,7 @@ let
       ;
   };
 
-  userPackagesConfig = import ../users/${hostName}/packages-config.nix { inherit lib; };
+  userPackagesConfig = import ../users/${hostName}/packages_config.nix { inherit lib; };
 
   additionalArgs = { inherit inputs customFunctions userData; };
 

users/geekiot/packages_config.nix

@@ -0,0 +1,14 @@
+{ lib }:
+{
+  allowUnfree = false;
+  allowBroken = false;
+
+  allowUnfreePredicate =
+    pkg:
+    builtins.elem (lib.getName pkg) [
+      "steam"
+      "steam-original"
+      "steam-unwrapped"
+      "steam-run"
+    ];
+}