anchor.diff:    ];
     postInstall = ''
       makeWrapper $out/games/wargus $out/bin/wargus \
  -      --prefix PATH : ${lib.makeBinPath [ "$out" cdparanoia python3 ]}
  +      --prefix PATH : ${lib.makeBinPath [ "$out" ]}
  +
  +    $out/bin/wartool -v -r ${data} $out/share/games/stratagus/wargus
  +    ln -s $out/share/games/stratagus/wargus/{contrib/black_title.png,graphics/ui/black_title.png}
     '';
   
     meta = with lib; {
  
positive.code: { stdenv, lib, callPackage, fetchFromGitHub
  , cmake, pkg-config, makeWrapper
  , zlib, bzip2, libpng
  , dialog, python3, cdparanoia
  }:
  
  let
    stratagus = callPackage ./stratagus.nix {};
  in
  stdenv.mkDerivation rec {
    pname = "wargus";
  
negative.code:     sha256 = "sha256-yJeMFxCD0ikwVPQApf+IBuMQ6eOjn1fVKNmqh6r760c=";
    };
  
    nativeBuildInputs = [ cmake pkg-config makeWrapper ffmpeg ];
    buildInputs = [ zlib bzip2 libpng ];
    cmakeFlags = [
      "-DSTRATAGUS=${stratagus}/games/stratagus"
  