private static void AddItem(EnvDTE.ProjectItem item, List<string> names)
{
var file = item.GetFullPath();
names.Add(file.ToLower());
var wd = Helper.WorkingDirectoryFromPath(file);
var name = file.Substring(wd.Length + 1);
Helper.Exec(wd, true, Settings.Instance.GitPath, "add", name);
for (var i = 1; i <= item.ProjectItems.Count; i++)
AddItem(item.ProjectItems.Item(i), names);
}