nixpkgs/pkgs/development/libraries/webkit/src-for-default.nix

rec {
  advertisedUrl="http://builds.nightly.webkit.org/files/trunk/src/WebKit-r47686.tar.bz2";
  version = "r47686";
  url="http://builds.nightly.webkit.org/files/trunk/src/WebKit-${version}.tar.bz2";
  hash = "1h1frvvp8hfv3q2drjnrpgadgin55p7nv8747kxxhdkj4gv9dzqg";
}