From: Junio C Hamano <gitster@pobox.com>
To: Patrick Steinhardt <ps@pks.im>
Cc: git@vger.kernel.org, peff@peff.net
Subject: Re: [PATCH v2 1/4] t1400: Avoid touching refs on filesystem
Date: Tue, 10 Nov 2020 09:04:01 -0800 [thread overview]
Message-ID: <xmqq7dqt87pa.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <X6qIidgbnhYa3S0o@ncase> (Patrick Steinhardt's message of "Tue, 10 Nov 2020 13:34:22 +0100")
Patrick Steinhardt <ps@pks.im> writes:
>> For now, I think this is fine, but we'd probably clean it up so that
>> without --force update-ref would not corrupt the repository like
>> this. When used with --force, or before adding such a safety
>> measure, how we test if we successfully corrupted the repository is
>> an interesting matter. I'd say
>>
>> git update-ref --force --no-deref -d HEAD &&
>> test_must_fail git show-ref --verify -q HEAD &&
>> cp -f .git/HEAD.orig .git/HEAD &&
>> git show-ref --verify -q "$m"
>>
>> to ensure that other than removing HEAD and corrupting the
>> repository, it did not cause permanent damage by removing the
>> underlying ref, perhaps.
>>
>> We may want to add some NEEDSWORK comment around such tests.
>
> I think the proper way to do the test would be to create a non-mandatory
> symref and delete it. That'd also be a nice preparation for the
> `--force` parameter already.
Excellent. Yes, the test is about creation and removal of a symref;
the symref used for testing does not have to be the HEAD.
Thanks.
next prev parent reply other threads:[~2020-11-10 17:04 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-04 14:57 [PATCH 0/2] update-ref: Allow creation of multiple transactions Patrick Steinhardt
2020-11-04 14:57 ` [PATCH 1/2] " Patrick Steinhardt
2020-11-05 19:29 ` Jeff King
2020-11-05 21:34 ` Junio C Hamano
2020-11-06 17:52 ` Jeff King
2020-11-06 19:30 ` Junio C Hamano
2020-11-06 6:36 ` Patrick Steinhardt
2020-11-04 14:57 ` [PATCH 2/2] p1400: Use `git-update-ref --stdin` to test " Patrick Steinhardt
2020-11-05 19:34 ` Jeff King
2020-11-09 10:06 ` [PATCH v2 0/4] update-ref: Allow creation of " Patrick Steinhardt
2020-11-09 10:06 ` [PATCH v2 1/4] t1400: Avoid touching refs on filesystem Patrick Steinhardt
2020-11-09 19:48 ` Junio C Hamano
2020-11-09 22:28 ` Jeff King
2020-11-10 12:34 ` Patrick Steinhardt
2020-11-10 17:04 ` Junio C Hamano [this message]
2020-11-09 10:06 ` [PATCH v2 2/4] update-ref: Allow creation of multiple transactions Patrick Steinhardt
2020-11-09 10:06 ` [PATCH v2 3/4] p1400: Use `git-update-ref --stdin` to test " Patrick Steinhardt
2020-11-09 10:07 ` [PATCH v2 4/4] update-ref: Disallow restart of ongoing transactions Patrick Steinhardt
2020-11-09 19:53 ` Junio C Hamano
2020-11-09 22:33 ` [PATCH v2 0/4] update-ref: Allow creation of multiple transactions Jeff King
2020-11-09 22:38 ` Junio C Hamano
2020-11-11 6:58 ` [PATCH v3 0/4] update-ref: allow " Patrick Steinhardt
2020-11-11 6:58 ` [PATCH v3 1/4] t1400: avoid touching refs on filesystem Patrick Steinhardt
2020-11-11 9:04 ` SZEDER Gábor
2020-11-11 10:00 ` Patrick Steinhardt
2020-11-11 10:24 ` SZEDER Gábor
2020-11-11 23:06 ` Jeff King
2020-11-13 8:08 ` Patrick Steinhardt
2020-11-11 6:58 ` [PATCH v3 2/4] update-ref: allow creation of multiple transactions Patrick Steinhardt
2020-11-11 6:58 ` [PATCH v3 3/4] p1400: use `git-update-ref --stdin` to test " Patrick Steinhardt
2020-11-11 6:58 ` [PATCH v3 4/4] update-ref: disallow "start" for ongoing transactions Patrick Steinhardt
2020-11-13 8:12 ` [PATCH v4 0/4] update-ref: allow creation of multiple transactions Patrick Steinhardt
2020-11-13 8:12 ` [PATCH v4 1/4] t1400: avoid touching refs on filesystem Patrick Steinhardt
2020-11-13 20:40 ` Jeff King
2020-11-18 6:48 ` Patrick Steinhardt
2020-11-18 7:02 ` Junio C Hamano
2020-11-13 8:12 ` [PATCH v4 2/4] update-ref: allow creation of multiple transactions Patrick Steinhardt
2020-11-13 8:12 ` [PATCH v4 3/4] p1400: use `git-update-ref --stdin` to test " Patrick Steinhardt
2020-11-13 8:12 ` [PATCH v4 4/4] update-ref: disallow "start" for ongoing transactions Patrick Steinhardt
2020-11-25 22:37 ` [PATCH v4 0/4] update-ref: allow creation of multiple transactions Junio C Hamano
2020-11-26 0:42 ` Jeff King
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