{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
  };

  outputs = { self, nixpkgs }:
    let
      system = "x86_64-linux";
      pkgs = nixpkgs.legacyPackages.${system};
      atauPkgs = {
        atau-wallpapers = pkgs.callPackage ./atau-wallpapers { };
        theme-platinum9 = pkgs.callPackage ./theme-platinum9 { };
        gtk-theme-mac-os-9 = pkgs.callPackage ./gtk-theme-mac-os-9 { };
        nineicons-redux = pkgs.callPackage ./nineicons-redux { };
      };
    in
    {
      packages.${system} = {
        default = atauPkgs.theme-platinum9;
      } // atauPkgs;

      overlays.default = final: prev: {
        atau-pkgs = atauPkgs;
      };
    };
}