460         dest = os.path.basename(os.path.normpath(source))

   460         dest = os.path.basename(os.path.normpath(source))

   461 

   461 

   462     if os.path.exists(dest):

   462     if os.path.exists(dest):

   463         ui.warn("abort: destination '%s' already exists\n" % dest)

   463         ui.warn("abort: destination '%s' already exists\n" % dest)

   464         return 1

   464         return 1

   465 

   467 

   466     class Dircleanup:

   468     class Dircleanup:

   467         def __init__(self, dir_):

   469         def __init__(self, dir_):

   468             self.rmtree = shutil.rmtree

   470             self.rmtree = shutil.rmtree

   469             self.dir_ = dir_

   471             self.dir_ = dir_