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From: Kyle Meyer <kyle@kyleam.com>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 2/5] t1400: set core.logAllRefUpdates in "logged by touch" tests
Date: Tue, 21 Mar 2017 21:57:34 -0400
Message-ID: <87k27ikr8x.fsf@kyleam.com> (raw)
In-Reply-To: <20170321014920.qas2xbbx66zqo5lp@sigill.intra.peff.net>

Jeff King <peff@peff.net> writes:

> On Mon, Mar 20, 2017 at 08:56:13PM -0400, Kyle Meyer wrote:

[...]

>> I'm confused about the setup for the "logged by touch" tests.
>> d0ab05849 (tests: remove some direct access to .git/logs, 2015-07-27)
>> changed the setup to delete the log file itself rather than its
>> contents.  The reflog was then recreated by using "--create-reflog" in
>> the "create $m (logged by touch)" test.  What I don't understand is
>> how this change fits with d0ab05849, which seems to be concerned with
>> loosening the assumption that the logs are stored in .git/logs.
>
> I suspect the answer is that the conversion was incomplete. That commit
> was done for alternate ref backends, which is an ongoing saga.
>
> I think it's OK to leave it as-is for now. It's not clear what "logged
> by touch" will look like for backends that don't use the filesystem.
> Probably it will need to call "update-ref --create-reflog" to kickstart
> it, and then further updates will automatically write to it.
>
> At that point the "rm -f" would need to become "tell the backend to
> delete this reflog". There's no command for that now, but we can add one
> later. Until then, I suspect the "rm -f" would be a noop. That means
> that the first --create-reflog test is failing to test what it claims,
> but the result passes anyway.
>
> And that probably answers the question about why the conversion is
> half-done. It was enough to get the tests to stop complaining when built
> with an alternate ref backend. :)

OK, thanks for the background.

-- 
Kyle

  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-21  0:56 [PATCH 0/5] t1400: modernize style Kyle Meyer
2017-03-21  0:56 ` [PATCH 1/5] t1400: rename test descriptions to be unique Kyle Meyer
2017-03-21  1:38   ` Jeff King
2017-03-21  0:56 ` [PATCH 2/5] t1400: set core.logAllRefUpdates in "logged by touch" tests Kyle Meyer
2017-03-21  1:49   ` Jeff King
2017-03-22  1:57     ` Kyle Meyer [this message]
2017-03-21  0:56 ` [PATCH 3/5] t1400: use test_path_is_* helpers Kyle Meyer
2017-03-21  1:51   ` Jeff King
2017-03-21  0:56 ` [PATCH 4/5] t1400: remove a set of unused output files Kyle Meyer
2017-03-21  1:51   ` Jeff King
2017-03-21  0:56 ` [PATCH 5/5] t1400: use test_when_finished for cleanup Kyle Meyer
2017-03-21  1:53   ` Jeff King
2017-03-21  2:01 ` [PATCH 0/5] t1400: modernize style Jeff King
2017-03-21 17:51   ` Junio C Hamano
2017-03-22  1:58     ` Kyle Meyer
2017-03-22  1:58   ` Kyle Meyer

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