702
702
>>> sb = ScratchBranch(files=['foo', 'foo~'])
703
703
>>> sb.common_ancestor(sb) == (None, None)
706
706
>>> sb.common_ancestor(sb)[0]
710
710
>>> sb.common_ancestor(sb)[0]
712
712
>>> sb.common_ancestor(clone)[0]
716
715
>>> sb.common_ancestor(clone)[0]
718
717
>>> sb.common_ancestor(clone) == clone.common_ancestor(sb)