anchor.diff:      "--${boolWt (taglib != null)}-taglib"
     ];
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "A featureful ncurses based MPD client";
       homepage = https://rybczak.net/ncmpcpp/;
       license = licenses.gpl2Plus;
  
positive.code: { stdenv
  , fetchurl
  
  , boost
  , curl
  
negative.code: }:
  
  let
    inherit (lib)
      boolEn
      boolWt;
  in
  stdenv.mkDerivation rec {
    name = "ncmpcpp-0.8";
  
    src = fetchurl {
      url = "https://rybczak.net/ncmpcpp/stable/${name}.tar.bz2";
      multihash = "QmYnG5Y5D6eSfeHZAprKw9g5ztTNnEbRcViandCmASYnRZ";
      sha256 = "2f0f2a1c0816119430880be6932e5eb356b7875dfa140e2453a5a802909f465a";
    };
  
    buildInputs = [
  