anchor.diff:  
     installPhase = ''
       runHook preInstall
  +
       mkdir -p $out/bin
       mv qarte $out/bin/
       substituteInPlace $out/bin/qarte \
  
positive.code: let
    pythonEnv = python3.withPackages (ps: with ps; [ pyqt5_with_qtmultimedia ]);
  in mkDerivation {
    name = "qarte-4.12.0";
    src = fetchbzr {
      url = "http://bazaar.launchpad.net/~vincent-vandevyvre/qarte/qarte-4";
      rev = "56";
  
negative.code:       --prefix PATH : ${rtmpdump}/bin
    '';
  
    meta = with lib; {
      homepage = "https://launchpad.net/qarte";
      description = "A recorder for Arte TV Guide and Arte Concert";
      license = licenses.gpl3;
      maintainers = with maintainers; [ vbgl ];
      platforms = platforms.linux;
    };
  }
  