anchor.diff:      owner = "IntelRealSense";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "KZNriNDxRKR14KFJrAbzZLfSQ3iiZ8PKC80fVh0AQls=";
  +    sha256 = "0ngv9fgja72vg7hq1aiwpa7x4dhniawhpd8mqm85pqkjxiph8s1k";
     };
   
     buildInputs = [
  
positive.code: { stdenv, config, lib, fetchFromGitHub, cmake, libusb1, ninja, pkgconfig, gcc
  , cudaSupport ? config.cudaSupport or false, cudatoolkit
  , enablePython ? false, pythonPackages ? null }:
  
  
negative.code: 
  stdenv.mkDerivation rec {
    pname = "librealsense";
    version = "2.41.0";
  
    outputs = [ "out" "dev" ];
  
  