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From: Jeff King <peff@peff.net>
To: Taylor Blau <me@ttaylorr.com>
Cc: Jacob Vosmaer <jacob@gitlab.com>, Git Mailing List <git@vger.kernel.org>
Subject: Re: [PATCH 1/1] ls-refs.c: minimize number of refs visited
Date: Tue, 19 Jan 2021 17:52:03 -0500	[thread overview]
Message-ID: <YAdik+z5yj2XU0ti@coredump.intra.peff.net> (raw)
In-Reply-To: <YAdb6GmVXWLEGkP1@nand.local>

On Tue, Jan 19, 2021 at 05:23:36PM -0500, Taylor Blau wrote:

> > Having now looked carefully at the ls-refs code, it's a pure
> > prefix-match, too. So I think we _could_ rely on for_each_fullref_in()
> > returning us the correct full results, and not checking it further in
> > send_ref(). But I kind of like keeping it there as an extra check (and
> > one which could in theory grow more logic later).
> 
> Hmm. What if the caller asks for:
> 
>   ref-prefix refs/tags/a
>   ref-prefix refs/tags/b
> 
> ?
> 
> The LCP between those two is refs/tags, so send_ref() will presumably
> get lots of reuslts that it doesn't care about (assuming there are tags
> besides a and b).

Oh, you're right, of course. Ignore me. :)

-Peff

  reply	other threads:[~2021-01-19 22:53 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 14:42 [PATCH 0/1] ls-refs.c: minimize number of refs visited Jacob Vosmaer
2021-01-19 14:42 ` [PATCH 1/1] " Jacob Vosmaer
2021-01-19 16:12   ` Taylor Blau
2021-01-19 17:42     ` Jacob Vosmaer
2021-01-19 18:19       ` [PATCH 0/2] ls-refs: only traverse through longest common ref prefix Taylor Blau
2021-01-19 18:19         ` [PATCH 1/2] refs: expose 'for_each_fullref_in_prefixes' Taylor Blau
2021-01-19 18:19         ` [PATCH 2/2] ls-refs.c: traverse longest common ref prefix Taylor Blau
2021-01-19 23:09           ` Jeff King
2021-01-19 23:52             ` Taylor Blau
2021-01-20  0:08               ` Jeff King
2021-01-20 11:00           ` Jacob Vosmaer
2021-01-20 16:04         ` [PATCH v2 0/3] ls-refs: traverse prefixes of disjoint "ref-prefix" sets Taylor Blau
2021-01-20 16:04           ` [PATCH v2 1/3] refs: expose 'for_each_fullref_in_prefixes' Taylor Blau
2021-01-20 19:56             ` Jeff King
2021-01-20 20:12               ` Taylor Blau
2021-01-23  2:59             ` Junio C Hamano
2021-01-25  1:35               ` Taylor Blau
2021-01-20 16:04           ` [PATCH v2 2/3] ls-refs.c: initialize 'prefixes' before using it Taylor Blau
2021-01-20 19:58             ` Jeff King
2021-01-20 20:13               ` Taylor Blau
2021-01-20 21:50             ` Jacob Vosmaer
2021-01-20 16:04           ` [PATCH v2 3/3] ls-refs.c: traverse prefixes of disjoint "ref-prefix" sets Taylor Blau
2021-01-23 17:55           ` [PATCH v2 0/3] ls-refs: " Junio C Hamano
2021-01-19 19:09       ` [PATCH 1/1] ls-refs.c: minimize number of refs visited Taylor Blau
2021-01-19 21:59         ` Jeff King
2021-01-19 22:15           ` Jeff King
2021-01-19 22:23             ` Taylor Blau
2021-01-19 22:52               ` Jeff King [this message]
2021-01-19 22:59                 ` Jeff King
2021-01-19 23:02                   ` Taylor Blau
2021-01-19 22:53   ` Jeff King
2021-01-19 23:00     ` Taylor Blau
2021-01-19 23:11       ` Jeff King
2021-01-20 10:40         ` Jacob Vosmaer
2021-01-20 10:44           ` Jacob Vosmaer

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