anchor.diff:    passthru = {
       srcVerification = fetchurl rec {
         failEarly = true;
  -      urls = tarballUrls "1.31";
  +      urls = tarballUrls "1.32";
         pgpsigUrls = map (n: "${n}.sig") urls;
         inherit (gnupg.srcVerification) pgpKeyFingerprints;
  -      outputHash = "40d0a823c9329478063903192a1f82496083b277265904878f4bc09e0db7a4ef";
  +      outputHash = "c345c5e73cc2332f8d50db84a2280abfb1d8f6d4f1858b9daa30404db44540ca";
         inherit (src) outputHashAlgo;
       };
     };
  
positive.code:     "mirror://gnupg/libgpg-error/libgpg-error-${version}.tar.bz2"
    ];
  
    version = "1.31";
  in
  stdenv.mkDerivation rec {
    name = "libgpg-error-${version}";
  
negative.code:   src = fetchurl {
      urls = tarballUrls version;
      hashOutput = false;
      sha256 = "c345c5e73cc2332f8d50db84a2280abfb1d8f6d4f1858b9daa30404db44540ca";
    };
  
    postPatch = ''
  