anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "agenda";
  -  version = "1.0.12";
  +  version = "1.1.0";
   
     src = fetchFromGitHub {
       owner = "dahenson";
       repo = pname;
       rev = version;
  -    sha256 = "128c9p2jkc90imlq25xg5alqlam8q4i3gd5p1kcggf7s4amv8l8w";
  +    sha256 = "0yfapapsanqacaa83iagar88i335yy2jvay8y6z7gkri7avbs4am";
     };
   
     nativeBuildInputs = [
  -    cmake
       gettext
  +    glib # for glib-compile-schemas
  +    meson
  +    ninja
  +    pkg-config
  +    python3
       vala
  -    pkg-config
       wrapGAppsHook
     ];
   
  
positive.code:     libgee
      pantheon.granite
    ];
  
    passthru = {
      updateScript = pantheon.updateScript {
  
negative.code: { stdenv
  , fetchFromGitHub
  , pantheon
  , meson
  , ninja
  , python3
  , pkg-config
  , vala
  , gettext
  