{ config, ... }:
  # Don't add hut as a cache to itself
  assert config.networking.hostName  != "hut";
{
  nix.settings = {
    substituters = [ "https://jungle.bsc.es/cache" ];
    trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
  };
}