def branch(self, name, desc=None):
        return Local.new(path=os.path.join(self.path, name), desc=desc, bare=True)
Start a new controller process based on the config's start_cmd
dataset/ETHPy150Open rsgalloway/grit/grit/repo/local.py/Local.branch--crossover with--dataset/ETHPy150Open ucb-sts/sts/sts/entities/controllers.py/Controller.start