anchor.diff:  , fetchurl
   , lib
   , libxslt
  -, python2
  +, python3
   , samba_full
   }:
   
   let
  -  version = "2.1.14";
  -  newVersion = "2.1.14";
  +  version = "2.1.15";
  +  newVersion = "2.1.15";
   
     tarballUrls = version: [
       "mirror://samba/talloc/talloc-${version}.tar"
  
positive.code:     "--builtin-libraries=replace"
    ];
  
    passthru = {
      srcVerification = fetchurl {
        failEarly = true;
        urls = map (n: "${n}.gz") (tarballUrls newVersion);
        pgpsigUrls = map (n: "${n}.asc") (tarballUrls newVersion);
        pgpDecompress = true;
        inherit (samba_full.pgp.library) pgpKeyFingerprint;
        inherit (src) outputHashAlgo;
        outputHash = "b185602756a628bac507fa8af8b9df92ace69d27c0add5dab93190ad7c3367ce";
      };
    };
  
  
negative.code:   src = fetchurl {
      urls = map (n: "${n}.gz") (tarballUrls version);
      hashOutput = false;
      sha256 = "9e7ada780e483ebbf27080a76a73413cfa6344df9ad280f812014c68b7c368dc";
    };
  
    nativeBuildInputs = [
      docbook-xsl
      docbook_xml_dtd_42
      libxslt
      python3
    ];
  
    postPatch = ''
      patchShebangs buildtools/bin/waf
    '';
  
  