rec {
  advertisedUrl="http://builds.nightly.webkit.org/files/trunk/src/WebKit-r47291.tar.bz2";
  version = "r47291";
  url="http://builds.nightly.webkit.org/files/trunk/src/WebKit-${version}.tar.bz2";
  hash = "14rggsgpsaxfph1967hbwlz814d8zyzl6xwzl7a25f6zf1nwcjdk";
}