anchor.diff:  
       runHook postInstall
     '';
  +
     meta = {
  -    platforms = [ "x86_64-linux" ];
       homepage = "https://unvanquished.net/";
       downloadPage = "https://unvanquished.net/download/";
       description = "A fast paced, first person strategy game";
  -    maintainers = with lib.maintainers; [ afontain ];
       # don't replace the following lib.licenses.zlib with just "zlib",
       # or you would end up with the package instead
       license = with lib.licenses; [
         mit gpl3Plus lib.licenses.zlib bsd3 # engine
         cc-by-sa-25 cc-by-sa-30 cc-by-30 cc-by-sa-40 cc0 # assets
       ];
  +    maintainers = with lib.maintainers; [ afontain ];
  +    platforms = [ "x86_64-linux" ];
     };
   }
  
positive.code:     repo = "Unvanquished";
      rev = "v${version}";
      fetchSubmodules = true;
      sha256 = "1fiqn9f6nsh4cfjy7gfsv950hphwi9ca0ddgsjvn77g7yc0arp6c";
    };
  
    unvanquished-binary-deps = stdenv.mkDerivation rec {
      # DISCLAIMER: this is selected binary crap from the NaCl SDK
      name = "unvanquished-binary-deps";
      version = binary-deps-version;
      src = fetchzip {
        url = "https://dl.unvanquished.net/deps/linux64-${version}.tar.bz2";
        sha256 = "08bpyavbh5lmyprvqqi59gnm8s1fjmlk9f1785wlv7f52d9f9z1p";
      };
      dontPatchELF = true;
      preFixup = ''
        # We are not using the autoPatchelfHook, because it would make
        # nacl_bootstrap_helper unable to load nacl_loader:
  
negative.code:     chmod +w -R daemon/external_deps/linux64-${binary-deps-version}/
    '';
  
    nativeBuildInputs = [
      cmake
      unvanquished-binary-deps
      copyDesktopItems
    ];
  
    buildInputs = [
      gmp
      libGL
  