machine_setup/nix/steam_deck/util/unfree_polyfill/default.nix

{
  config,
  lib,
  foo,
  ...
}:

let
  inherit (builtins) elem;
  inherit (lib) getName mkOption;
  inherit (lib.types) listOf str;
in
{
  # Pending https://github.com/NixOS/nixpkgs/issues/55674
  options.allowedUnfree = mkOption {
    type = listOf str;
    default = [ ];
  };
  # config.nixpkgs.config.allowUnfreePredicate = p: elem (getName p) config.allowedUnfree;
}