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

  outputs = { self, nixpkgs }: {

    overlay = final: prev: {
      theme-platinum9 = with final; stdenv.mkDerivation {
        pname = "theme-platinum9";
        version = "d3d2080c1a2d5772714d089d1dc1daeeb41db008";

        src = fetchFromGitea {
          domain = "git.atauno.com";
          owner = "atau";
          repo = "Platinum9";
          rev = "d3d2080c1a2d5772714d089d1dc1daeeb41db008";
          sha256 = "0c9mhrs95ahz37djrv176vn41ywvj26ilwmnr1h9171giv6hid77";
        };

        # nativeBuildInputs = [ autoreconfHook pkg-config ];

        # propagatedUserEnvPkgs = [ gtk-engine-murrine ];

        # configureFlags = [ "--disable-unity" ];

        postInstall = ''
          mkdir -p $out
          echo "heeeey" > $out/test.txt
          ls -la > $out/test.txt
          cp -r * $out
          # mkdir -p $out/share/plank/themes
          # cp -r extra/*-Plank $out/share/plank/themes
          # mkdir -p $out/share/doc/$pname/Chrome
          # cp -r extra/Chrome/*.crx $out/share/doc/$pname/Chrome
          # cp -r extra/Firefox $out/share/doc/$pname
          # cp AUTHORS README.md $out/share/doc/$pname/
        '';

        # meta = with lib; {
        #   inherit (src.meta) homepage;
        #   description = "Theme for GTK 3, GTK 2, Gnome-Shell, and Cinnamon";
        #   license = licenses.gpl3;
        #   platforms = platforms.unix;
        #   maintainers = with maintainers; [ romildo ];
        # };
      };
    };

    packages.x86_64-linux.theme-platinum9 = (import nixpkgs {
      system = "x86_64-linux";
      overlays = [ self.overlay ];
    }).theme-platinum9;
  };
}