2581         revs = scmutil.revrange(repo, revopt)

  2581         revs = scmutil.revrange(repo, revopt)

  2582         if len(revs) != 1:

  2582         if len(revs) != 1:

  2583             raise util.Abort(_("you can only specify one revision to split"))

  2583             raise util.Abort(_("you can only specify one revision to split"))

  2584         else:

  2584         else:

  2585             rev = list(revs)[0]

  2585             rev = list(revs)[0]

  2587     else:

  2586     else:

  2588         rev = '.'

  2587         rev = '.'

  2589 

  2588 

  2590     try:

  2589     try:

  2591         wlock = repo.wlock()

  2590         wlock = repo.wlock()