Jeff King <peff@xxxxxxxx> writes: > It might make sense to do so (and/or to make it possible to enable it by > config like we did for years with diff.renames). But it definitely is > way more expensive. > ... > So not quite as bad percentage-wise, but still pretty expensive. And for > not a huge benefit. There are ~261 impacted commits. You can see a > recent example with: > > git show -B -M --stat --summary ce6521e44 > > where we find that most of builtin/fmt-merge-msg.c was moved to > fmt-merge-msg.c. It's nice, but it's expensive enough that it probably > shouldn't be the default. Not only that, it can cost correctness-wise. Until this https://public-inbox.org/git/xmqqegqaahnh.fsf@xxxxxxxxxxxxxxxxxxxxxxxxxxx/ gets corrected, it is not advisable to enable -B and -M at the same time.
