FSFS fsfs = open(repositoryRoot, revision);
long revNum = SVNAdminHelper.getRevisionNumber(revision, fsfs.getYoungestRevision(), fsfs);
FSRoot root = fsfs.createRevisionRoot(revNum);
long baseRevision = revNum - 1;
SVNNodeEditor editor = generateDeltaTree(fsfs, root, baseRevision);
editor.traverseChangedDirs(handler);
}
/**
* Passes paths of directories changed in the given transaction to the provided handler.
* Paths are absolute (start with <code>'/'</code>).