From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Eric Sunshine <sunshine@sunshineco.com>
Cc: Git List <git@vger.kernel.org>,
Junio C Hamano <gitster@pobox.com>,
hsed@unimetic.com
Subject: Re: [PATCH] tests: avoid syntax triggering old dash bug
Date: Tue, 27 Nov 2018 20:37:27 +0100 [thread overview]
Message-ID: <87k1kyz4zs.fsf@evledraar.gmail.com> (raw)
In-Reply-To: <CAPig+cS-_m8RBsCME_Gj15EEs1tcFcGn0Acfvq4HgxKiL9PaHg@mail.gmail.com>
On Tue, Nov 27 2018, Eric Sunshine wrote:
> On Tue, Nov 27, 2018 at 11:43 AM Ævar Arnfjörð Bjarmason
> <avarab@gmail.com> wrote:
>> Avoid a bug in dash that's been fixed ever since its
>> ec2c84d ("[PARSER] Fix clobbering of checkkwd", 2011-03-15)[1] first
>> released with dash v0.5.7 in July 2011.
>
> Perhaps enhance the commit message to explain the nature of the bug
> itself. It is not at all obvious from reading the above or from
> looking at the diff itself what the actual problem is that the patch
> is fixing. (And it wasn't even immediately obvious by looking at the
> commit message of ec2c84d in the dash repository.) To help readers of
> this patch avoid re-introducing this problem or diagnose such a
> failure, it might be a good idea to give an example of the syntax
> which trips up old dash (i.e. a here-doc followed immediately by a
> {...} expression) and the actual error message 'Syntax error: "}"
> unexpected'.
I haven't taken the time to understand the bug either. Our entire test
suite had one instance of this, so I think it's obscure enough that it's
fine to just fix it as a one-off and not spend any more time on making
sure it doesn't happen again or add some lint for detecting it.
>> This fixes 1/2 tests failing on Debian Lenny & Squeeze. The other
>> failure is due to 1b42f45255 ("git-svn: apply "svn.pathnameencoding"
>> before URL encoding", 2016-02-09).
>>
>> This particular test has been failing since 5f9674243d ("config: add
>> --expiry-date", 2017-11-18).
>>
>> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
next prev parent reply other threads:[~2018-11-27 19:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 16:42 [PATCH] tests: avoid syntax triggering old dash bug Ævar Arnfjörð Bjarmason
2018-11-27 19:16 ` Eric Sunshine
2018-11-27 19:37 ` Ævar Arnfjörð Bjarmason [this message]
2018-11-28 4:45 ` Junio C Hamano
2019-02-13 11:59 ` [PATCH v2] " Ævar Arnfjörð Bjarmason
2019-02-13 21:43 ` Junio C Hamano
2019-02-13 21:48 ` SZEDER Gábor
2019-02-14 9:51 ` Ævar Arnfjörð Bjarmason
2018-11-28 1:47 ` [PATCH] " brian m. carlson
2018-11-28 7:06 ` Torsten Bögershausen
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