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From: Glen Choo <chooglen@google.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, Taylor Blau <me@ttaylorr.com>,
	Robert Coup <robert@coup.net.nz>
Subject: Re: [PATCH v2 00/10] Get rid of "git --super-prefix"
Date: Mon, 21 Nov 2022 11:16:15 -0800	[thread overview]
Message-ID: <kl6lzgckdsow.fsf@chooglen-macbookpro.roam.corp.google.com> (raw)
In-Reply-To: <221117.86y1s9h2q5.gmgdl@evledraar.gmail.com>

Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:

> On Wed, Nov 16 2022, Glen Choo wrote:
>
>> Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:
>>
>>> On Mon, Nov 14 2022, Glen Choo wrote:
>>>
>>>> Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:
>>>>
>>>>> It's also proposing to replace Glen's one-patch[6], which is working
>>>>> around the problem shown in the test added in 1/10 here. Per
>>>>> downthread of [7] I think Glen was aiming for getting a more narrow
>>>>> fix in case we split off 9/10 here into some later fix.
>>>>>
>>>>> As we're fixing an edge case in something that's always been broken
>>>>> (and thus wouldn't backport) I think it's better to just fix the
>>>>> problem directly, rather than introducing new "--super-prefix" use,
>>>>> just to take it away later.
>>>>
>>>> I still prefer that we take the one-patch to unbreak new releases,
>>>> because partial clone + submodules is absolutely broken (e.g. it's
>>>> already causing quite a lot of headaches at $DAYJOB) and the patch is
>>>> obviously harmless.
>>>>
>>>> And more importantly, it lets us take our time with this series and get
>>>> it right without time pressure. It's not as pressing as, e.g. a
>>>> regression fix, but it does render certain Git setups unusable.
>>>>
>>>> With regards to urgency and when to choose "small and harmless fixes vs
>>>> bigger and better fixes", I think Junio has generally made those calls
>>>> in the past. @Taylor if you have an opinion, I'd love to hear it.
>>>
>>> I feel like I'm missing something here. What's the regression? The test
>>> you're adding here didn't work at all until 0f5e8851737 (Merge branch
>>> 'rc/fetch-refetch', 2022-04-04), as the command didn't exist yet. That
>>> commit went out with v2.36.0.
>>>
>>> If it never worked there's no regression, and we wouldn't be merging
>>> down a fix for older point-releases.
>>>
>>> Or is there some case I've missed here which did work before, doesn't
>>> now, but just isn't captured in this test? If so what case is that, and
>>> when did it break?
>>
>> Right, this wasn't meant to be a regression fix at all. There's good
>> reason to believe that this was always broken, so I never went digging
>> to see if it ever worked.
>>
>> Even so, it doesn't change the fact that it's a use case that we've
>> expected to work, but doesn't due to some internal silliness, and that
>> we could fix it without invoking questions of the "--super-prefix"
>> design and dragging out the process (which is admittedly what I should
>> have done in the first place). Since we have such an easy fix in front
>> of us, I don't feel good about not fixing this before the next release.
>>
>> At any rate, I'm wiling to accept that I'm being overly cautious,
>> because it's quite likely that this series will make it into the next
>> release. (We could technically we unbreak 'next', though I don't know
>> who distributes that other than internally @ Google.) I'm ok to drop my
>> patch for now, but I'll revive it if it starts to look like this series
>> won't make it into the next release.
>
> Understood, I'm re-rolling this v2, will send it out soon.
>
> I'll keep that patch out for now, but if we're starting to run up
> against the next release how about we split it out? So it'll depend on
> how fast we can review & test this, and if/when Taylor is OK with
> merging it down.
>
> I really don't care if the fix comes first, but just thought I was
> missing something and it didn't seem urgent, as it was in the "never
> worked" and not "a regression" category AFAICT. But if you'd still like
> it shout, and I'll just stack it at the start...

That sounds good, thanks :) That's very helpful of you, and I appreciate
you making the way forward clear.

  reply	other threads:[~2022-11-21 19:17 UTC|newest]

Thread overview: 105+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-09  0:47 [RFC PATCH 0/4] git: remove --super-prefix Glen Choo
2022-11-09  0:47 ` [RFC PATCH 1/4] submodule--helper: teach --toplevel-cwd-prefix Glen Choo
2022-11-09  2:37   ` Ævar Arnfjörð Bjarmason
2022-11-09  0:47 ` [RFC PATCH 2/4] fetch: refactor --submodule-prefix Glen Choo
2022-11-09  3:06   ` Ævar Arnfjörð Bjarmason
2022-11-09  0:47 ` [RFC PATCH 3/4] read-tree: teach --submodule-prefix Glen Choo
2022-11-09  3:13   ` Ævar Arnfjörð Bjarmason
2022-11-09  0:47 ` [RFC PATCH 4/4] git: remove --super-prefix Glen Choo
2022-11-09 19:34 ` [RFC PATCH 0/8] Get rid of "git --super-prefix" Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 1/8] submodule--helper: don't use global --super-prefix in "absorbgitdirs" Ævar Arnfjörð Bjarmason
2022-11-11  0:12     ` Glen Choo
2022-11-09 19:34   ` [RFC PATCH 2/8] submodule--helper: "deinit" has never used "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 3/8] submodule--helper: convert "foreach" to its own "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 4/8] submodule--helper: convert "sync" " Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 5/8] submodule--helper: convert "status" " Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 6/8] submodule--helper: convert "{update,clone}" to their " Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 7/8] submodule tests: test "git branch -t" output and stderr Ævar Arnfjörð Bjarmason
2022-11-09 19:34   ` [RFC PATCH 8/8] read-tree: add "--super-prefix" option, eliminate global Ævar Arnfjörð Bjarmason
2022-11-11  0:40     ` Glen Choo
2022-11-09 21:21   ` [RFC PATCH 0/8] Get rid of "git --super-prefix" Taylor Blau
2022-11-09 21:47     ` Ævar Arnfjörð Bjarmason
2022-11-09 22:27       ` Taylor Blau
2022-11-09 22:54         ` Ævar Arnfjörð Bjarmason
2022-11-10  0:45   ` Glen Choo
2022-11-10 10:51     ` Ævar Arnfjörð Bjarmason
2022-11-11  1:07       ` Glen Choo
2022-11-11 18:29         ` Glen Choo
2022-11-11 21:17           ` Ævar Arnfjörð Bjarmason
2022-11-11 21:51             ` Taylor Blau
2022-11-12  1:10             ` Glen Choo
2022-11-14 10:09               ` Ævar Arnfjörð Bjarmason
2022-11-14 23:33                 ` Glen Choo
2022-11-15  1:37                   ` Ævar Arnfjörð Bjarmason
2022-11-14 10:08   ` [PATCH v2 00/10] " Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 01/10] read-tree + fetch tests: test failing "--super-prefix" interaction Ævar Arnfjörð Bjarmason
2022-11-14 19:00       ` Glen Choo
2022-11-14 19:14         ` Ævar Arnfjörð Bjarmason
2022-11-14 19:49           ` Glen Choo
2022-11-14 10:08     ` [PATCH v2 02/10] submodule--helper: don't use global --super-prefix in "absorbgitdirs" Ævar Arnfjörð Bjarmason
2022-11-14 21:22       ` Glen Choo
2022-11-17 18:10         ` Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 03/10] submodule--helper: "deinit" has never used "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 04/10] submodule--helper: convert "foreach" to its own "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-14 21:56       ` Glen Choo
2022-11-17 18:14         ` Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 05/10] submodule--helper: convert "sync" " Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 06/10] submodule--helper: convert "status" " Ævar Arnfjörð Bjarmason
2022-11-14 10:08     ` [PATCH v2 07/10] submodule--helper: convert "{update,clone}" to their " Ævar Arnfjörð Bjarmason
2022-11-14 22:04       ` Glen Choo
2022-11-14 10:08     ` [PATCH v2 08/10] submodule tests: test "git branch -t" output and stderr Ævar Arnfjörð Bjarmason
2022-11-14 22:20       ` Glen Choo
2022-11-14 10:08     ` [PATCH v2 09/10] read-tree: add "--super-prefix" option, eliminate global Ævar Arnfjörð Bjarmason
2022-11-14 22:28       ` Glen Choo
2022-11-14 10:08     ` [PATCH v2 10/10] fetch: rename "--submodule-prefix" to "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-14 22:31       ` Glen Choo
2022-11-14 21:59     ` [PATCH v2 00/10] Get rid of "git --super-prefix" Taylor Blau
2022-11-14 23:20     ` Glen Choo
2022-11-14 23:39     ` Glen Choo
2022-11-15  1:27       ` Ævar Arnfjörð Bjarmason
2022-11-16 21:07         ` Glen Choo
2022-11-17 18:07           ` Ævar Arnfjörð Bjarmason
2022-11-21 19:16             ` Glen Choo [this message]
2022-11-19 12:41     ` [PATCH v3 0/9] " Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 1/9] read-tree + fetch tests: test failing "--super-prefix" interaction Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 2/9] submodule.c & submodule--helper: pass along "super_prefix" param Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 3/9] submodule--helper: don't use global --super-prefix in "absorbgitdirs" Ævar Arnfjörð Bjarmason
2022-11-22 19:53         ` Glen Choo
2022-11-19 12:41       ` [PATCH v3 4/9] submodule--helper: convert "foreach" to its own "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 5/9] submodule--helper: convert "sync" " Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 6/9] submodule--helper: convert "status" " Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 7/9] submodule--helper: convert "{update,clone}" to their " Ævar Arnfjörð Bjarmason
2022-11-19 12:41       ` [PATCH v3 8/9] read-tree: add "--super-prefix" option, eliminate global Ævar Arnfjörð Bjarmason
2022-11-22 19:57         ` Glen Choo
2022-11-19 12:41       ` [PATCH v3 9/9] fetch: rename "--submodule-prefix" to "--super-prefix" Ævar Arnfjörð Bjarmason
2022-11-22 22:29       ` [PATCH v3 0/9] Get rid of "git --super-prefix" Glen Choo
2022-12-15  9:32       ` [PATCH v4 " Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 1/9] submodule absorbgitdirs tests: add missing "Migrating git..." tests Ævar Arnfjörð Bjarmason
2022-12-15 20:54           ` Glen Choo
2022-12-20 10:32             ` Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 2/9] read-tree + fetch tests: test failing "--super-prefix" interaction Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 3/9] submodule.c & submodule--helper: pass along "super_prefix" param Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 4/9] submodule--helper: don't use global --super-prefix in "absorbgitdirs" Ævar Arnfjörð Bjarmason
2022-12-15 21:05           ` Glen Choo
2022-12-15  9:32         ` [PATCH v4 5/9] submodule--helper: convert "foreach" to its own "--super-prefix" Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 6/9] submodule--helper: convert "sync" " Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 7/9] submodule--helper: convert "status" " Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 8/9] submodule--helper: convert "{update,clone}" to their " Ævar Arnfjörð Bjarmason
2022-12-15  9:32         ` [PATCH v4 9/9] read-tree: add "--super-prefix" option, eliminate global Ævar Arnfjörð Bjarmason
2022-12-15 21:19         ` [PATCH v4 0/9] Get rid of "git --super-prefix" Glen Choo
2022-12-15 22:19           ` Junio C Hamano
2022-12-15 22:12         ` Junio C Hamano
2022-12-20 12:39         ` [PATCH v5 " Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 1/9] submodule absorbgitdirs tests: add missing "Migrating git..." tests Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 2/9] read-tree + fetch tests: test failing "--super-prefix" interaction Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 3/9] submodule.c & submodule--helper: pass along "super_prefix" param Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 4/9] submodule--helper: don't use global --super-prefix in "absorbgitdirs" Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 5/9] submodule--helper: convert "foreach" to its own "--super-prefix" Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 6/9] submodule--helper: convert "sync" " Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 7/9] submodule--helper: convert "status" " Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 8/9] submodule--helper: convert "{update,clone}" to their " Ævar Arnfjörð Bjarmason
2022-12-20 12:39           ` [PATCH v5 9/9] read-tree: add "--super-prefix" option, eliminate global Ævar Arnfjörð Bjarmason
2022-11-09 21:16 ` [RFC PATCH 0/4] git: remove --super-prefix Taylor Blau
2022-11-09 23:55   ` Glen Choo
2022-11-10  2:14     ` Taylor Blau
2022-11-10 23:49       ` Glen Choo

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