anchor.diff:    meta = with stdenv.lib; {
       homepage = https://github.com/whipper-team/whipper;
       description = "A CD ripper aiming for accuracy over speed";
  -    maintainers = with maintainers; [ rycee ];
  +    maintainers = with maintainers; [ rycee emily ];
       license = licenses.gpl3Plus;
       platforms = platforms.linux;
     };
  
positive.code:     "--prefix" "PATH" ":" (stdenv.lib.makeBinPath [ accuraterip-checksum cdrdao utillinux flac sox ])
    ];
  
    # some tests require internet access
    # https://github.com/JoeLametta/whipper/issues/291
    doCheck = false;
  
negative.code: { stdenv, fetchFromGitHub, python3, cdparanoia, cdrdao, flac
  , sox, accuraterip-checksum, libsndfile, utillinux, substituteAll }:
  
  python3.pkgs.buildPythonApplication rec {
    pname = "whipper";
    version = "0.9.0";
  
    src = fetchFromGitHub {
      owner = "whipper-team";
      repo = "whipper";
      rev = "v${version}";
      sha256 = "0x1qsp021i0l5sdcm2kcv9zfwp696k4izhw898v6marf8phll7xc";
    };
  
    pythonPath = with python3.pkgs; [
      pygobject3 musicbrainzngs urllib3 chardet
      pycdio setuptools setuptools_scm mutagen
      requests
    ];
  
    buildInputs = [ libsndfile ];
  
    checkInputs = with python3.pkgs; [
      twisted
    ];
  
  