transitive copy/rename Add support for transitive copy or rename operations, e.g. hg rename a b ... (possibly edit b) hg rename b c hg commit ... by actually renaming "b" as "c" while recording a copy of "a" to "c" and a removal of "a".

1:3aa14bbc23d9
0:8633637036c1
3aa14bbc23d9 tip
8633637036c1
8633637036c1+
8633637036c1
3aa14bbc23d9 tip
merging file1
3aa14bbc23d9 tip
3aa14bbc23d9 tip
3aa14bbc23d9 tip
3aa14bbc23d9 tip