anchor.diff:      bogofilter
       db
       evolution-data-server
  -    gcr_4
       gdk-pixbuf
       glib
       glib-networking
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "evolution";
    version = "3.45.2";
  
    src = fetchurl {
      url = "mirror://gnome/sources/evolution/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
      sha256 = "QjAM2fyIpmwra+8CHoqXaQvAOuvV+P4s9U4qyBys78g=";
    };
  
    nativeBuildInputs = [
  
negative.code: , shared-mime-info
  , libical
  , db
  , sqlite
  , gnome
  , gnome-desktop
  