let mut has_parents = false;

            has_parents = true;

                }
            }
        }
        if !has_parents {
            for t in new_tree.iter() {
                if let Some(n) = t.name() {
                    let n = Path::new(n).to_path_buf();
                    prefixes.insert(n);

        debug!("done inspecting commit");
        if prefixes.contains(std::path::Path::new("")) {
            prefixes.clear();
        }
        // Root has no parents so record everything
        if prefixes.is_empty() {
            prefixes.insert(repo.repo.path.clone());
        }

    debug!("prefixes = {:?}", prefixes);