anchor.diff:        wrapProgram $f \
           "''${gappsWrapperArgs[@]}" \
           --prefix PATH : "${binPath}" \
  -        --prefix LD_LIBRARY_PATH : "${ldLibraryPath}"
  +        --suffix LD_LIBRARY_PATH : "${ldLibraryPath}"
       done
   
     '';
  
positive.code:   ldLibraryPath = lib.strings.makeLibraryPath buildInputs;
  
    installPhase = ''
      mkdir -p $out/bin
      cp -r opt/bitwig-studio $out/libexec
      ln -s $out/libexec/bitwig-studio $out/bin/bitwig-studio
  
negative.code:     substitute usr/share/applications/bitwig-studio.desktop \
        $out/share/applications/bitwig-studio.desktop \
        --replace /usr/bin/bitwig-studio $out/bin/bitwig-studio
  
        runHook postInstall
    '';
  
    postFixup = ''
  