anchor.diff:  
     meta = with lib; {
       description = "Fight Flash Fraud";
  -    homepage = "http://oss.digirati.com.br/f3/";
  +    homepage = "https://fight-flash-fraud.readthedocs.io/en/stable/";
       license = licenses.gpl3Plus;
  -    maintainers = with maintainers; [ makefu ];
  +    maintainers = with maintainers; [ makefu evils ];
     };
   }
  
positive.code:   };
  
    postPatch = ''
       sed -i 's/-oroot -groot//' Makefile
  
       for f in f3write.h2w log-f3wr; do
        substituteInPlace $f \
          --replace '$(dirname $0)' $out/bin
       done
    '';
  
    buildInputs = lib.optional stdenv.isLinux [ systemd parted ]
    ++ lib.optional stdenv.isDarwin [ argp-standalone ];
  
    enableParallelBuilding = true;
  
    buildFlags   = [
      "all" # f3read, f3write
    ]
    ++ lib.optional stdenv.isLinux "extra"; # f3brew, f3fix, f3probe
  
negative.code: { stdenv
  , lib
  , fetchFromGitHub
  , parted
  , systemd
  , argp-standalone
  }:
  
  stdenv.mkDerivation rec {
  