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From: Jeff King <peff@peff.net>
To: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 1/6] t4061: use POSIX compliance regex(7)
Date: Thu, 19 Mar 2020 11:53:07 -0400	[thread overview]
Message-ID: <20200319155307.GB3513282@coredump.intra.peff.net> (raw)
In-Reply-To: <c45d6383173d8d3e73cdcdd6e993d3259d519a68.1584625896.git.congdanhqx@gmail.com>

On Thu, Mar 19, 2020 at 09:00:02PM +0700, Đoàn Trần Công Danh wrote:

> BRE interprets `+` literally, and
> `\+` is undefined for POSIX BRE, from:
> https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_03_02
> 
> > The interpretation of an ordinary character preceded
> > by an unescaped <backslash> ( '\\' ) is undefined, except for:
> > - The characters ')', '(', '{', and '}'
> > - The digits 1 to 9 inclusive
> > - A character inside a bracket expression
> 
> This test is failing with busybox sed, the default sed of Alpine Linux
> 
> Fix it by using literal `+` instead.

This makes sense, I think. It could hurt a sed which is expected ERE and
needs the "+" escaped, but I think such a sed would be wrong (and I
imagine would break things elsewhere).

-Peff

  reply	other threads:[~2020-03-19 15:53 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-19 14:00 [PATCH 0/6] fix test failure with busybox Đoàn Trần Công Danh
2020-03-19 14:00 ` [PATCH 1/6] t4061: use POSIX compliance regex(7) Đoàn Trần Công Danh
2020-03-19 15:53   ` Jeff King [this message]
2020-03-19 16:01     ` Eric Sunshine
2020-03-19 22:02       ` Junio C Hamano
2020-03-20  1:35         ` Danh Doan
2020-03-19 14:00 ` [PATCH 2/6] test-lib-functions: test_cmp: eval $GIT_TEST_CMP Đoàn Trần Công Danh
2020-03-19 16:02   ` Jeff King
2020-03-19 16:14     ` Eric Sunshine
2020-03-20  1:29     ` Danh Doan
2020-03-19 14:00 ` [PATCH 3/6] t5003: skip conversion test if unzip -a is unavailable Đoàn Trần Công Danh
2020-03-19 16:03   ` Jeff King
2020-03-20  0:39     ` Danh Doan
2020-03-20  5:32       ` Jeff King
2020-03-19 14:00 ` [PATCH 4/6] t5616: use rev-parse instead to get HEAD's object_id Đoàn Trần Công Danh
2020-03-19 16:07   ` Jeff King
2020-03-20  0:57     ` Danh Doan
2020-03-19 14:00 ` [PATCH 5/6] t7063: use POSIX find(1) syntax Đoàn Trần Công Danh
2020-03-19 16:12   ` Jeff King
2020-03-19 22:16     ` Junio C Hamano
2020-03-20  1:41       ` Danh Doan
2020-03-20  2:20         ` Danh Doan
2020-03-20  5:37         ` Jeff King
2020-03-22  0:37           ` Danh Doan
2020-03-22  6:05             ` Jeff King
2020-03-19 14:00 ` [PATCH 6/6] t4124: fix test for non-compliance diff Đoàn Trần Công Danh
2020-03-19 16:33   ` Jeff King
2020-03-19 22:58     ` Junio C Hamano
2020-03-20  5:20       ` Jeff King
2020-03-20  1:52     ` Danh Doan
2020-03-20  5:23       ` Jeff King
2020-03-19 15:51 ` [PATCH 0/6] fix test failure with busybox Jeff King
2020-03-20  0:37   ` Danh Doan
2020-03-20  5:30     ` Jeff King
2020-03-19 16:34 ` Jeff King

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