git@vger.kernel.org list mirror (unofficial, one of many)
 help / color / Atom feed
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
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>

  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-27 16:42 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

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87k1kyz4zs.fsf@evledraar.gmail.com \
    --to=avarab@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=hsed@unimetic.com \
    --cc=sunshine@sunshineco.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

git@vger.kernel.org list mirror (unofficial, one of many)

Archives are clonable:
	git clone --mirror https://public-inbox.org/git
	git clone --mirror http://ou63pmih66umazou.onion/git
	git clone --mirror http://czquwvybam4bgbro.onion/git
	git clone --mirror http://hjrcffqmbrq6wope.onion/git

Newsgroups are available over NNTP:
	nntp://news.public-inbox.org/inbox.comp.version-control.git
	nntp://ou63pmih66umazou.onion/inbox.comp.version-control.git
	nntp://czquwvybam4bgbro.onion/inbox.comp.version-control.git
	nntp://hjrcffqmbrq6wope.onion/inbox.comp.version-control.git
	nntp://news.gmane.org/gmane.comp.version-control.git

 note: .onion URLs require Tor: https://www.torproject.org/

AGPL code for this site: git clone https://public-inbox.org/ public-inbox