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From: Eric Wong <>
To: Jeff King <>
Cc: "Ævar Arnfjörð Bjarmason" <>,, "Junio C Hamano" <>
Subject: Re: [PATCH] update-server-info: avoid needless overwrites
Date: Tue, 14 May 2019 11:50:47 +0000	[thread overview]
Message-ID: <20190514115047.oncvfq24fhnp64re@dcvr> (raw)
In-Reply-To: <>

Jeff King <> wrote:
> Yeah, I think there's sort of an open question here of who is calling
> update-server-info when nothing got updated. I think the only place we
> call it automatically is via receive-pack, but I'd guess Eric runs it as
> part of public-inbox scripts.

Correct.  post-update doesn't get run because public-inbox
relies on fast-import.  I have mirrors using "git fetch", which
also doesn't call post-update, either so I was calling
update-server-info in my mirror script.

Since more people have taken an interest in mirroring things,
I figured I'd make "public-inbox-index" (the script which
updates the Xapian and SQLite indices) call update-server-info

That way, it's simpler to mirror (v1) inboxes:

  git fetch && git update-server-info && public-inbox-index


  git fetch && public-inbox-index

That's a huge savings in cognitive overhead.

So, my eventual goal for this is we get to the point where any
git operation which changes refs will automatically update
info/refs if it exists.

Ditto for objects/info/packs on any pack changes.

This, like my bitmap-by-default change is among the things
I'm trying to make it easier for more users to start
self-hosting (including mirroring) any type of git repo.

Anyways, I am far from knowledgeable about the locking
discussion for git, though :x

> That's my reading, too, but I didn't want to be responsible for
> regressing some obscure case. At least Eric seems to _use_
> update-server-info. ;)

I also have something else on my mind for abusing info files with :>
(another email)

  parent reply	other threads:[~2019-05-14 11:50 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-11  1:34 [PATCH] update-server-info: avoid needless overwrites Eric Wong
2019-05-11  7:35 ` Eric Sunshine
2019-05-11 20:47   ` [PATCH v2] " Eric Wong
2019-05-11 21:17 ` [PATCH] " Eric Wong
2019-05-11 23:37 ` Ævar Arnfjörð Bjarmason
2019-05-12  0:38   ` Eric Wong
2019-05-12  4:08   ` Jeff King
2019-05-12  7:16     ` Ævar Arnfjörð Bjarmason
2019-05-14  9:47       ` Jeff King
2019-05-14 10:33         ` Ævar Arnfjörð Bjarmason
2019-05-14 11:24           ` Jeff King
2019-05-14 11:57             ` Ævar Arnfjörð Bjarmason
2019-05-14 11:50         ` Eric Wong [this message]
2019-05-14 12:13           ` dumb HTTP things I want to do Eric Wong
2019-05-14 12:27             ` Jeff King
2019-05-14 12:19           ` [PATCH] update-server-info: avoid needless overwrites Ævar Arnfjörð Bjarmason
2019-05-14 12:29             ` Jeff King
2019-05-15  0:45             ` [PATCH 2/1] server-info: conditionally update on fetch Eric Wong
2019-05-15 20:38               ` [WIP] repack leaving stale entries in objects/info/packs Eric Wong
2019-05-15 21:48                 ` Jeff King
2019-05-23  8:59                   ` [PATCH] server-info: do not list unlinked packs Eric Wong
2019-05-23 10:24                     ` Jeff King
2019-05-23 17:27                       ` [PATCH v2] " Eric Wong
2019-05-24  6:05                         ` Jeff King
2019-05-24  7:34                         ` Ævar Arnfjörð Bjarmason
2019-05-13 23:17 ` [PATCH v3] update-server-info: avoid needless overwrites Eric Wong

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