private void SubmoduleToolStripButtonClick(object sender, EventArgs e)
{
var button = sender as ToolStripButton;
if (button == null)
return;
Settings.WorkingDir += GitCommands.GitCommands.GetSubmoduleLocalPath(button.Text);
if (Settings.ValidWorkingDir())
Repositories.RepositoryHistory.AddMostRecentRepository(Settings.WorkingDir);
InternalInitialize(true);
}