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From: Junio C Hamano <gitster@pobox.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, "Sebastian Staudt" <koraktor@gmail.com>,
	"Josh Steadmon" <steadmon@google.com>,
	"SZEDER Gábor" <szeder.dev@gmail.com>
Subject: Re: [PATCH 1/2] tests: fix unportable "\?" and "\+" regex syntax
Date: Thu, 21 Feb 2019 21:00:32 -0800
Message-ID: <xmqqa7ios9hr.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20190221192849.6581-2-avarab@gmail.com> (=?utf-8?B?IsOGdmFy?= =?utf-8?B?IEFybmZqw7Zyw7A=?= Bjarmason"'s message of "Thu, 21 Feb 2019 20:28:48 +0100")

Ævar Arnfjörð Bjarmason  <avarab@gmail.com> writes:

> Fix widely supported but non-POSIX basic regex syntax introduced in
> [1] and [2]. On GNU, NetBSD and FreeBSD the following works:
>
>     $ echo xy >f
>     $ grep 'xy\?' f; echo $?
>     xy
>     0
>
> The same goes for "\+". The "?" and "+" syntax is not in the BRE
> syntax, just in ERE, but on some implementations it can be invoked by
> prefixing the meta-operator with "\", but not on OpenBSD:

Yup, thanks for testing, spotting and fixing.  I do recall finding
one of these during my review during recent couple of cycles, but
apparently eyeballing will not always catch everything X-<.

  reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-19 23:29 [ANNOUNCE] Git v2.21.0-rc2 Junio C Hamano
2019-02-20  0:43 ` Randall S. Becker
2019-02-20 19:41   ` Junio C Hamano
2019-02-20 20:46     ` Johannes Schindelin
2019-02-21 13:10     ` Duy Nguyen
2019-02-21 23:55       ` brian m. carlson
2019-02-22  9:13         ` Duy Nguyen
2019-02-21 15:54     ` Randall S. Becker
2019-02-21 20:04       ` Junio C Hamano
2019-02-21 21:06       ` SZEDER Gábor
2019-02-21 21:30         ` Randall S. Becker
2019-02-21 19:59     ` Randall S. Becker
2019-02-21 10:46 ` Git for Windows v2.21.0-rc2, was " Johannes Schindelin
2019-02-21 19:28 ` [PATCH 0/2] BSD portability fixes for 2.21.0-rc2 Ævar Arnfjörð Bjarmason
2019-02-22  0:37   ` Josh Steadmon
2019-02-21 19:28 ` [PATCH 1/2] tests: fix unportable "\?" and "\+" regex syntax Ævar Arnfjörð Bjarmason
2019-02-22  5:00   ` Junio C Hamano [this message]
2019-02-21 19:28 ` [PATCH 2/2] commit-graph tests: fix cryptic unportable "dd" invocation Ævar Arnfjörð Bjarmason
2019-02-21 20:43   ` SZEDER Gábor
2019-02-21 22:26     ` Ævar Arnfjörð Bjarmason
2019-02-22 10:50       ` SZEDER Gábor
2019-02-22 14:34         ` Ævar Arnfjörð Bjarmason
2019-02-22 18:30           ` Junio C Hamano
2019-02-22 18:35             ` Todd Zullinger
2019-02-22 19:23               ` [PATCH v3] commit-graph tests: fix " Junio C Hamano

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