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".

%% Should show unknown
? unknown
%% Should show unknown and b removed
! b
? unknown
%% Should show a and unknown
a
unknown