anchor.diff:  in
   rustPlatform.buildRustPackage rec {
     inherit pname;
  -  version = "0.3.5";
  +  version = "0.4.0";
   
     src = fetchFromGitLab {
  +    domain = "salsa.debian.org";
       owner = "silwol";
  -    repo = pname;
  +    repo = "freenukum";
       rev = "v${version}";
  -    sha256 = "0yqfzh0c8fqk92q9kmidy15dc5li0ak1gbn3v7p3xw5fkrzf99gy";
  +    sha256 = "sha256-Tk9n2gPwyPin6JZ4RSO8d/+xVpEz4rF8C2eGKwrAXU0=";
     };
   
  -  cargoSha256 = "1nss5zbdvxkr1mfb6vi6yjxcih99w836kvfr4r3n5dvzlkvga2vf";
  +  cargoSha256 = "sha256-8RfiObWDqZJg+sjjDBk+sRoS5CiECIdNPH79T+O8e8M=";
   
     nativeBuildInputs = [
       installShellFiles
  
positive.code:       ${dejavu_fonts}/share/fonts/truetype/DejaVuSans.ttf \
        $out/share/fonts/truetype/dejavu/DejaVuSans.ttf
      mkdir -p $out/share/doc/freenukum
      install -Dm644 README.md CHANGELOG.md COPYING $out/share/doc/freenukum/
      installManPage doc/freenukum.6
      install -Dm644 "${desktopItem}/share/applications/"* -t $out/share/applications/
    '';
  
    meta = with lib; {
      description = "Clone of the original Duke Nukum 1 Jump'n Run game";
      license = licenses.agpl3Plus;
      maintainers = with maintainers; [ _0x4A6F ];
      broken = stdenv.isDarwin;
  
negative.code: , dejavu_fonts
  , SDL2
  , SDL2_ttf
  , SDL2_image
  }:
  let
    pname = "freenukum";
  