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From: Jeff King <peff@peff.net>
To: Kirill Smelkov <kirr@nexedi.com>
Cc: "SZEDER Gábor" <szeder.dev@gmail.com>,
	"Junio C Hamano" <gitster@pobox.com>,
	git@vger.kernel.org
Subject: Re: [PATCH] t5310-pack-bitmaps: fix bogus 'pack-objects to file can use bitmap' test
Date: Mon, 27 Aug 2018 19:04:52 -0400	[thread overview]
Message-ID: <20180827230452.GC10402@sigill.intra.peff.net> (raw)
In-Reply-To: <20180827102238.GA26738@deco.navytux.spb.ru>

On Mon, Aug 27, 2018 at 10:22:46AM +0000, Kirill Smelkov wrote:

> A minor comment from outside observer: running tests under something
> like
> 
> 	-e and -o pipefail
> 
> would automatically catch the mistake in the first place. Maybe `-o
> pipefail` is bashism (I had not checked), but `git grep " | " t/` shows
> there are a lot of pipelines being used, and thus similar errors might be
> silently resting there. Something like -o pipefail would catch all such
> problems automatically.

Yes, "pipefail" is a bash-ism that we can't rely on.

I will say that I have been bitten before by "set -e -o pipefail" and
its subtle handling of SIGPIPE. Try this:

  set -e -o pipefail
  yes | head

-Peff

  reply	other threads:[~2018-08-27 23:04 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-14 11:47 [PATCH] t5310-pack-bitmaps: fix bogus 'pack-objects to file can use bitmap' test SZEDER Gábor
2018-08-14 21:49 ` Jeff King
2018-08-16 20:51 ` Andrei Rybak
2018-08-16 22:36   ` Junio C Hamano
2018-08-17 17:39     ` SZEDER Gábor
2018-08-17 19:27       ` Andrei Rybak
2018-08-17 20:09         ` Junio C Hamano
2018-08-19 17:50           ` Andrei Rybak
2018-08-19 20:32             ` Jeff King
2018-08-19 21:37               ` Andrei Rybak
2018-08-19 21:43                 ` Jeff King
2018-08-21 21:52                   ` Junio C Hamano
2018-08-17 20:15         ` SZEDER Gábor
2018-08-22 18:14   ` Matthew DeVore
2018-08-27 10:22 ` Kirill Smelkov
2018-08-27 23:04   ` Jeff King [this message]
2018-08-28  6:37     ` Kirill Smelkov

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