{
  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
    astal = {
      url = "github:aylur/astal";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    astal,
  }: let
    system = "x86_64-linux";
    pkgs = nixpkgs.legacyPackages.${system};
  in {
    packages.${system}.default = pkgs.stdenv.mkDerivation {
      name = "Astal Applauncher";
      src = ./.;

      nativeBuildInputs = with pkgs; [
        meson
        ninja
        pkg-config
        vala
        gobject-introspection
        dart-sass
      ];

      buildInputs = [
        astal.packages.${system}.io
        astal.packages.${system}.astal3
        astal.packages.${system}.battery
        # add extra packages
      ];
    };
  };
}