joeytwiddle

// Example usage:
//   deepPopulate(blogPost, "comments comments._creator comments._creator.blogposts", {sort:{title:-1}}, callback);
// Note that the options get passed at *every* level!
// Also note that you must populate the shallower documents before the deeper ones.
function deepPopulate(doc, pathListString, options, callback) {
	var listOfPathsToPopulate = pathListString.split(" ");
	function doNext() {
		if (listOfPathsToPopulate.length == 0) {
			// Now all the things underneath the original doc should be populated.  Thanks mongoose!
			callback(null,doc);