internal void GenerateAtomFeed(string outputFilename, string packageSource, bool recursive, string rootUrl, string packageUrl, string actualUrl = null, string title = null)
{
outputFilename = Path.GetFullPath(outputFilename);
PackageFeed.GetPackageFeedFromLocation(packageSource, recursive).ContinueWith(antecedent => {
var packageFeed = antecedent.Result;
var generatedFeed = new AtomFeed(outputFilename, rootUrl, packageUrl, actualUrl, title);
foreach (var pkg in packageFeed.FindPackages("*")) {
generatedFeed.AddPackage(pkg, packageFeed.Location.RelativePathTo(pkg.LocalPackagePath));
}
generatedFeed.Save(outputFilename);
}, TaskContinuationOptions.AttachedToParent ).Wait();
}