anchor.diff:      gst-plugins-ugly
       gstreamer
       gtk3
  +    libhandy
       libsoup
       pango
       totem-pl-parser
  
positive.code: , python3
  , gtk3
  , gst_all_1
  , libsecret
  , libsoup
  , appstream-glib
  
negative.code:     url = "https://gitlab.gnome.org/World/lollypop";
      rev = "refs/tags/${version}";
      fetchSubmodules = true;
      sha256 = "1i5qcpp3fpkda08g6nkiiff8lsjmv5xsvpa0512kigq5z0lsagrx";
    };
  
    nativeBuildInputs = [
  