anchor.diff:    src  = fetchurl {
       url  = "https://download-cdn.resilio.com/${version}/"
         + "linux-x64/resilio-sync_x64.tar.gz";
  -    sha256 = "535b05aa27cc94e75a9aaacb9a1f8f4f37a83aca0efe12bb3f9fcaa25e7d426b";
  +    sha256 = "87d9eb37714af68dc53c031e9e5f381c1130d07bc0a217f1140272024e71cf9c";
     };
   
     nativeBuildInputs = [
  
positive.code: , lib
  , patchelf
  }:
  
  let
    inherit (lib)
  
negative.code:     stdenv.cc.libc
    ];
  
    version = "2.5.12";
  in
  stdenv.mkDerivation rec {
    name = "resilio-${version}";
  