anchor.diff:  
       makeWrapper $out/opt/BlueJeans/bluejeans-v2 $out/bin/bluejeans \
         --set LD_LIBRARY_PATH "${libPath}":"${placeholder "out"}"/opt/BlueJeans \
  -      --set LD_PRELOAD "$out"/opt/BlueJeans/liblocaltime64_stub.so
  +      --set LD_PRELOAD "$out"/opt/BlueJeans/liblocaltime64_stub.so \
  +      --prefix PATH : ${lib.makeBinPath [ xdg-utils ]}
   
       substituteInPlace "$out"/share/applications/bluejeans-v2.desktop \
         --replace "/opt/BlueJeans/bluejeans-v2" "$out/bin/bluejeans"
  
positive.code: , alsaLib
  , pulseaudio
  , makeWrapper
  }:
  
  stdenv.mkDerivation rec {
    pname = "bluejeans";
    version = "2.19.0";
    buildNumber = "61";
  
    src = fetchurl {
      url = "https://swdl.bluejeans.com/desktop-app/linux/${version}/BlueJeans_${version}.${buildNumber}.rpm";
      sha256 = "163p67dqry256d454qzk4k4b692kz8s9fcvaxd6gi7zvnsd48ikr";
    };
  
    nativeBuildInputs = [ rpmextract makeWrapper ];
  
negative.code:       --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
        --replace-needed libudev.so.0 libudev.so.1 \
        opt/BlueJeans/bluejeans-v2
  
      patchelf \
        --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
        opt/BlueJeans/resources/BluejeansHelper
  