378
378
accelerator_tree=None, hardlink=False, stacked=False,
379
379
source_branch=None, create_tree_if_local=True):
380
380
add_cleanup = op.add_cleanup
382
383
target_transport.ensure_base()
383
384
cloning_format = self.cloning_metadir(stacked)
384
385
# Create/update the result branch