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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Cc: Jeff King <peff@peff.net>, Brandon Williams <bmwill@google.com>,
	Jonathan Nieder <jrnieder@gmail.com>,
	Eric Rannaud <eric.rannaud@gmail.com>,
	Git Mailing List <git@vger.kernel.org>,
	Jeremy Serror <jeremy.serror@gmail.com>
Subject: Re: git rebase regression: cannot pass a shell expression directly to --exec
Date: Tue, 16 May 2017 13:27:42 -0700	[thread overview]
Message-ID: <CA+55aFwX2RDwT=g4w55bbLV38ggaVpdcLpMcCvqMcKRziUSesQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1.1705162211320.3610@virtualbox>

On Tue, May 16, 2017 at 1:12 PM, Johannes Schindelin
<Johannes.Schindelin@gmx.de> wrote:
>>
>> I think it would be better to just
>>
>>  (a) get rid of the magic strcspn() entirely
>>
>>  (b) make the 'can we optimize this' test be simply just looking up
>> 'argv[0]' in $PATH
>
> What about
>
>         ABC=1 my-executable my-arg

What about it?

Do you have a binary like

    '/usr/bin/ABC=1 my-executable my-arg'

or something? If so, it gets executed. If not, it would get passed off
to "/bin/sh".

That sounds a lot more obvious than "some random set of characters are magical".

                  Linus

  reply	other threads:[~2017-05-16 20:27 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15 18:08 git rebase regression: cannot pass a shell expression directly to --exec Eric Rannaud
2017-05-16  3:25 ` Jeff King
2017-05-16  3:37   ` Jeff King
2017-05-16 16:41     ` Jonathan Nieder
2017-05-16 16:47       ` Jeff King
2017-05-16 17:11         ` Eric Rannaud
2017-05-16 17:15         ` Brandon Williams
2017-05-16 17:23           ` Jeff King
2017-05-16 17:30             ` Brandon Williams
2017-05-16 19:14             ` Linus Torvalds
2017-05-16 19:35               ` [TANGENT] run-command: use vfork instead of fork Eric Wong
2017-05-16 20:47                 ` Linus Torvalds
2017-05-16 21:11                   ` Brandon Williams
2017-05-16 20:12               ` git rebase regression: cannot pass a shell expression directly to --exec Johannes Schindelin
2017-05-16 20:27                 ` Linus Torvalds [this message]
2017-05-16 17:37         ` Jonathan Nieder
2017-05-16  3:40   ` Junio C Hamano
2017-05-16  3:53     ` Jeff King
2017-05-16  4:08       ` Jeff King
2017-05-16 16:45       ` Eric Rannaud
2017-05-16 10:46     ` Johannes Schindelin
2017-05-16 10:23 ` Johannes Schindelin
2017-05-16 16:18   ` Jeff King
2017-05-16 16:59     ` Eric Rannaud
2017-05-16 17:14       ` Kevin Daudt
2017-05-16 17:29         ` Eric Rannaud
2017-05-16 17:41           ` Jeff King
2017-05-16 17:21       ` Eric Rannaud
2017-05-16 17:37         ` Jeff King

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