anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gnome-shell-pomodoro";
  -  version = "0.20.0";
  +  version = "0.21.1";
   
     src = fetchFromGitHub {
       owner = "gnome-pomodoro";
       repo = "gnome-pomodoro";
       rev = version;
  -    sha256 = "sha256-USzLHoBM0QbBPtbTzJJY02cOSDtmlxPGYhMj7M1FJic=";
  +    sha256 = "sha256-47gZsL1Hg30wtq6NeZdi8gbLHUZJ34KLzxvIg5DqyUk=";
     };
   
     patches = [
  
positive.code:     gst_all_1.gst-plugins-good
      gst_all_1.gstreamer
      gtk3
      libcanberra
      libpeas
      sqlite
  
negative.code:     (substituteAll {
        src = ./fix-schema-path.patch;
        inherit pname version;
      })
    ];
  
  