private JResult ExecuteWithSettings(ServiceSettings s, string dir, string[] cmd)
{
var settings = Path.Combine(dir, "settings.xml");
s.Serialize(settings);
Console.Out.WriteLine("Settings: {0}", s);
var r = JetServiceCommandRunner.ExecuteCommand(dir, ValidateCommandName, "/settings=" + settings + " " + string.Join(" ", cmd));
Console.Out.WriteLine(r.LogText);
return r;
}