{
  description = "Declaratively update your data.";
  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
  outputs = { nixpkgs, ... }: {
    lib = builtins.import ./lib.nix { pkgs = nixpkgs; };
    nixosModules.fooud = { pkgs, lib, config, inputs, ... }: {
      options.programs.fooud.enable = lib.mkEnableOption // { default = true; };
      config = lib.mkIf config.programs.fooud.enable {
        environment.systemPackages = [ inputs.fooud.overlays.default.fooud ];
      };
    };
    overlays.default = final: prev: {
      fooud = prev.stdenv.mkDerivation rec {
        pname = "fooud";
        version = "1.0";

        src = ./.;
        deps = prev.callPackage ./build.zig.zon.nix {};
        nativeBuildInputs = [ nixpkgs.zig.hook ];
        zigBuildFlags = [ "--system" "${deps}" ];
      };
    };
  };
}