protected override void OnCheckout(FilePath targetLocalPath, Revision rev, bool recurse, IProgressMonitor monitor)
{
Bazaar.StoreCredentials(Url);
BazaarRevision brev = (null == rev) ? new BazaarRevision(this, BazaarRevision.HEAD) : (BazaarRevision)rev;
Bazaar.Checkout(Url, targetLocalPath.FullPath, brev, recurse, monitor);
}