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From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: Derrick Stolee <stolee@gmail.com>, Derrick Stolee <dstolee@microsoft.com>, git@vger.kernel.org, ramsay@ramsayjones.plus.com, sbeller@google.com
Subject: Re: [PATCH v4 4/4] sha1_name: minimize OID comparisons during disambiguation
Date: Tue, 10 Oct 2017 21:56:38 +0900
Message-ID: <xmqqbmlfp3eh.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <20171010123634.3hdqxpo6mbl6jhbx@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> OK, I think that makes more sense. But note the p->num_objects thing I
> mentioned. If I do:
>
>   git pack-objects .git/objects/pack/pack </dev/null
>
> then I have a pack with zero objects, which I think we'd similarly want
> to return early from. I.e., I think we need:
>
>   if (p->num_objects)
> 	return;
>
> Technically that also covers open_pack_index() failure, too, but that's
> a subtlety I don't think we should rely on.

True.  I notice that the early part of the two functions look almost
identical.  Do we need error condition handling for the other one,
too?

  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-08 18:49 [PATCH v4 0/4] Improve abbreviation disambiguation Derrick Stolee
2017-10-08 18:49 ` [PATCH v4 3/4] sha1_name: parse less while finding common prefix Derrick Stolee
2017-10-09 13:42   ` Jeff King
2017-10-08 18:49 ` [PATCH v4 4/4] sha1_name: minimize OID comparisons during disambiguation Derrick Stolee
2017-10-09 13:49   ` Jeff King
2017-10-10 12:16     ` Derrick Stolee
2017-10-10 12:36       ` Jeff King
2017-10-10 12:56         ` Junio C Hamano [this message]
2017-10-10 13:09           ` Jeff King
2017-10-10 13:11           ` Derrick Stolee
2017-10-10 13:30             ` Jeff King
2017-10-11 13:58               ` Derrick Stolee
2017-10-12 12:02                 ` [PATCH v5 0/4] Improve abbreviation disambiguation Derrick Stolee
2017-10-12 12:04                   ` Derrick Stolee
2017-10-12 12:21                     ` Junio C Hamano
2017-10-12 14:22                       ` Jeff King
2017-10-12 12:02                 ` [PATCH v5 1/4] p4211-line-log.sh: add log --online --raw --parents perf test Derrick Stolee
2017-10-12 12:02                 ` [PATCH v5 2/4] sha1_name: unroll len loop in find_unique_abbrev_r Derrick Stolee
2017-10-12 12:02                 ` [PATCH v5 3/4] sha1_name: parse less while finding common prefix Derrick Stolee
2017-10-12 12:02                 ` [PATCH v5 4/4] sha1_name: minimize OID comparisons during disambiguation Derrick Stolee

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