{
  description = "System Screen";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };

      package = pkgs.rustPlatform.buildRustPackage {
        pname = "system-screen";
        version =
          if self ? rev
          then builtins.substring 0 7 self.rev
          else "dirty";

        src = ./daemon;

        cargoHash = "sha256-aewonLk+kmWWvqeZEmj974HJjolTOgxN/Nu+HXxZ4SQ=";

        nativeBuildInputs = [ pkgs.pkg-config ];
        buildInputs = [ pkgs.openssl pkgs.libudev-zero ];
      };
    in
    {
      devShells.${system}.default = pkgs.mkShell {
        packages = [
                  pkgs.pkg-config
                  pkgs.openssl
                  pkgs.libudev-zero
                ];
      };

      packages.${system}.default = package;

      nixosModules.default = import ./module.nix {
        inherit package;
      };
    };
}