anchor.diff:  }:
   
   let
  -  version = "3.5";
  +  version = "3.6";
   
     tarballUrls = version: [
       "mirror://gnu/diffutils/diffutils-${version}.tar.xz"
  
positive.code:   src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "dad398ccd5b9faca6b0ab219a036453f62a602a56203ac659b43e889bec35533";
    };
  
    # We need to directly reference coreutils, otherwise the
  
negative.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "3.6";
        pgpsigUrls = map (n: "${n}.sig") urls;
        pgpKeyFingerprint = "155D 3FC5 00C8 3448 6D1E  EA67 7FD9 FCCB 000B EEEE";
        inherit (src) outputHashAlgo;
        outputHash = "d621e8bdd4b573918c8145f7ae61817d1be9deb4c8d2328a65cea8e11d783bd6";
      };
    };
  
  