anchor.diff:      owner  = "CDrummond";
       repo   = "cantata";
       rev    = "v${version}";
  -    sha256 = "1m651fmdbnb50glym75kzma0bllvqbmrb2afp1g9g5cxm1898c0f";
  +    sha256 = "0ix7xp352bziwz31mw79y7wxxmdn6060p8ry2px243ni1lz1qx1c";
     };
   
     buildInputs = [ vlc qtbase qtmultimedia qtsvg ]
  
positive.code: assert withReplaygain -> withTaglib;
  
  let
    version = "2.3.3";
    pname = "cantata";
    fstat = x: fn: "-DENABLE_" + fn + "=" + (if x then "ON" else "OFF");
    fstats = x: map (fstat x);
  
negative.code:   ];
  
    meta = with lib; {
      homepage    = "https://github.com/cdrummond/cantata";
      description = "A graphical client for MPD";
      license     = licenses.gpl3;
      maintainers = with maintainers; [ peterhoeg ];
  