On Thu, Apr 21, 2016 at 9:36 AM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
>
> This seems to be a git bug.
>
> That commit aed06b9 can also be described as
>
> v3.13-rc7~9^2~14^2~42
>
> so describing it as 'v4.6-rc1~9^2~792' is clearly not closer in any way.
Hmm. I think I see what's up. The git distance function has a special
hack for preferring first-parent traversal, introduced long long ago
with commit ac076c29ae8d ("name-rev: Fix non-shortest description").
Changing that
#define MERGE_TRAVERSAL_WEIGHT 65535
to be a smaller value makes git find the shorter path.
I do not know what the correct fix is, though.
Linus
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