Enable unfree in own packages

flake.nix

@@ -101,7 +101,11 @@
   in {
     # Your custom packages
     # Accessible through 'nix build', 'nix shell', etc
-    packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});
+    packages = forAllSystems (system:
+      import ./pkgs (import nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+      }));
     # Formatter for your nix files, available through 'nix fmt'
     # Other options beside 'alejandra' include 'nixpkgs-fmt'
     formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);

pkgs/auto-mount/default.nix

@@ -1,6 +1,7 @@
 {
   lib,
   stdenv,
+  system,
   steam,
   pkgs,
   jq,