{
  nix = {
    settings.substituters = [ "https://nixpkgs-wayland.cachix.org" ];
    settings.trusted-public-keys = [
      "nixpkgs-wayland.cachix.org-1:3lwxaILxMRkVhehr5StQprHdEo4IrE8sRho9R9HOLYA="
    ];
  };
}