748
def pull(self, source, overwrite=False, stop_revision=None):
749
749
from bzrlib.merge import merge_inner
752
752
old_revision_history = self.branch.revision_history()
754
754
new_revision_history = self.branch.revision_history()
755
755
if new_revision_history != old_revision_history:
756
756
if len(old_revision_history):