anchor.diff:      mkdir -p "$out/bin"
       cp -r "$src" "$out/toolbox"
       chmod -R +w "$out/toolbox"
  +
  +    fixupPhase
  +    gappsWrapperArgsHook
   
       patchelf \
         --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
  
positive.code:     makeWrapper $out/toolbox/toolbox $out/bin/tla-toolbox \
        --run "set -x; cd $out/toolbox" \
        --add-flags "-data ~/.tla-toolbox" \
        --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ gtk3 libXtst glib zlib ]}"
  
      echo -e "\nCreating TLA Toolbox icons..."
      pushd "$src"
  
negative.code: { lib, fetchzip, makeWrapper, makeDesktopItem, stdenv
  , gtk3, libXtst, glib, zlib, wrapGAppsHook
  }:
  
  let
  