{inputs, ...}: {
  config.flake.overlays.modifications = _final: prev: {
    helm = prev.helm.overrideAttrs (oldAttrs: {
      patches = oldAttrs.patches or [] ++ [./helm.patch];
    });
  };

  config.flake.overlays.unstable-packages = final: _prev: {
    unstable = import inputs.nixpkgs-unstable {
      system = final.system;
      config.allowUnfree = true;
    };
  };
}