Re: history damage in linux.git

From: Junio C Hamano <gitster@pobox.com>
Date: Apr 21, 2016, 16:59 UTC
Message-ID: <xmqqzismsxsu.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <CA+55aFx8hPKKcuwe-HHoO7LHVYLmJ6khndd-OtQotMs3EJzZ0w@mail.gmail.com>

Linus Torvalds <torvalds@linux-foundation.org> writes:

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> 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.

I seem to recall that name-rev had an unexplained heuristics to strongly avoid following second parent changes (I see two ^2 in the path from 3.13-rc7 above).

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> However did git decide to use that further-away name? That looks odd.
>
> I'm wondering if it's because of the new root commit we have, and that
> confuses the distance calculation somehow? That came in somewhat
> recently (mid March) with the GPIO pull.