From: "brian m. carlson" <sandals@crustytoothpaste.net>
To: Jeff King <peff@peff.net>
Cc: "Son Luong Ngoc" <sluongng@gmail.com>, git <git@vger.kernel.org>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Junio C Hamano" <gitster@pobox.com>
Subject: Re: t5607 fail with GIT_TEST_FAIL_PREREQS enabled
Date: Wed, 11 Aug 2021 23:14:52 +0000 [thread overview]
Message-ID: <YRRZ7E6W+xV2f/CG@camp.crustytoothpaste.net> (raw)
In-Reply-To: <YRPYrXYwmwVnligD@coredump.intra.peff.net>
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On 2021-08-11 at 14:03:25, Jeff King wrote:
> On Wed, Aug 11, 2021 at 03:02:52PM +0200, Son Luong Ngoc wrote:
>
> > git/t% GIT_TEST_FAIL_PREREQS=1 ./t5607-clone-bundle.sh
> > [...]
> > # if ! test_have_prereq SHA1
> > # then
> > # echo "@object-format=sha256"
> > # fi >expect &&
>
> The problem is presumably here. If test_have_prereq lies and say "no, we
> are using sha256" then we cannot expect what the built binary does to
> match that lie.
>
> Perhaps that is a sign that test_have_prereq is not the right tool to
> check "which hash format are we using", but I don't think we have
> another convenient mechanism to do so currently.
We can use something like this:
if "$(test_oid algo)" != sha1
> I also think that the FAIL_PREREQS system may be mis-designed a bit. We
> had a similar problem a few months ago, and I think Junio's response
> here points in a good direction:
>
> https://lore.kernel.org/git/xmqqblbgrwkg.fsf@gitster.g/
I take no position on this, but I'll send a patch to do something
similar to the above in a few minutes in case someone feels like picking
it up.
--
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA
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next prev parent reply other threads:[~2021-08-11 23:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-11 13:02 t5607 fail with GIT_TEST_FAIL_PREREQS enabled Son Luong Ngoc
2021-08-11 14:03 ` Jeff King
2021-08-11 23:14 ` brian m. carlson [this message]
2021-08-11 23:16 ` [PATCH v2] t5607: avoid using prerequisites to select algorithm brian m. carlson
2021-08-11 23:30 ` Jeff King
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