The sheriff, when required by the judge or chancellor, shall attend in person, or by deputy, upon the trial of a habeas corpus in his county, to keep order and execute the mandates of the judge or chancellor, and shall be subject to the orders of the judge or chancellor during the trial in vacation in the same manner as in term time. The judge or chancellor trying a habeas corpus in vacation shall have the same power to fine and imprison for contempt as in term time.