anchor.diff:  
     buildInputs = [
       fontconfig freetype glib gsettings-desktop-schemas gtk jdk libX11
  -    libXrender libXtst makeWrapper zlib
  +    libXrender libXtst libsecret makeWrapper zlib
     ] ++ lib.optional (webkitgtk != null) webkitgtk;
   
     buildCommand = ''
  
positive.code: 
      makeWrapper $out/eclipse/eclipse $out/bin/eclipse \
        --prefix PATH : ${jdk}/bin \
        --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath ([ glib gtk libXtst ] ++ lib.optional (webkitgtk != null) webkitgtk)} \
        --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH" \
        --add-flags "-configuration \$HOME/.eclipse/''${productId}_$productVersion/configuration"
  
  
negative.code: { lib, stdenv, makeDesktopItem, freetype, fontconfig, libX11, libXrender
  , zlib, jdk, glib, gtk, libXtst, libsecret, gsettings-desktop-schemas, webkitgtk
  , makeWrapper, perl, ... }:
  
  { name, src ? builtins.getAttr stdenv.hostPlatform.system sources, sources ? null, description }:
  