anchor.diff:    src = fetchurl {
       urls = tarballUrls version;
       hashOutput = false;
  -    sha256 = "105556dbc5c3fbbc2aa0edb46d22d055748b6f5c7cd7a8d99f8e7eb84e938be4";
  +    sha256 = "a248207fd726ca35c57fe9f01e748c36c60b864bb624b58f9983a0f98b633924";
     };
   
     postPatch = ''
  
positive.code:   passthru = {
      srcVerification = fetchurl rec {
        failEarly = true;
        urls = tarballUrls "0.19.8.1";
        pgpsigUrls = map (n: "${n}.sig") urls;
        pgpKeyFingerprint = "4622 25C3 B46F 3487 9FC8  496C D605 848E D7E6 9871";
        inherit (src) outputHashAlgo;
        outputHash = "105556dbc5c3fbbc2aa0edb46d22d055748b6f5c7cd7a8d99f8e7eb84e938be4";
      };
    };
  
  
negative.code:       -i gettext-tools/projects/GNOME/trigger \
        -i gettext-tools/src/project-id \
        -e 's,/bin/pwd,pwd,g'
    '';
  
    # Broken in 0.20 for some invocations
    buildParallel = false;
  
    postInstall = ''
      rm -r "$out"/share/doc
    '';
  
    preFixup = ''
  