# Re: What's cooking in git.git (Aug 2018, \#06; Wed, 29)

- From: Junio C Hamano \<hidden\>
- Date: 2018-08-31 19:53:13 
- List: git
- Page: https://ratatoskr.run/git/2018/08/7782926
- Thread: https://ratatoskr.run/git/2018/08/7782926/t.md

```text
Elijah Newren [ref] writes:

>> Suggestions for a better rewrite is very much appreciated.
>
> That makes sense.  I'm not sure I can concisely convey all the right
> points, but here's a stab at rewording:
>
> Recent addition of "directory rename" heuristics to the
> merge-recursive backend makes the command susceptible to false
> positives and false negatives.  In the context of "git am -3", which
> does not know about surrounding unmodified paths and thus cannot
> inform the merge machinery about the full trees involved, this risk is
> particularly severe.  As such, the heuristic is disabled for "git am
> -3" to keep the machinery "more stupid but predictable".

Excellent.  Let me use that when merging it to 'next'.
```