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From: ludo@gnu.org (Ludovic Courtès)
To: Eric Bavier <ericbavier@openmailbox.org>
Cc: help-guix@gnu.org,
	Help-Guix <help-guix-bounces+ericbavier=openmailbox.org@gnu.org>
Subject: Re: [UX] real names exposed
Date: Sun, 04 Sep 2016 00:33:13 +0200	[thread overview]
Message-ID: <87bn04k40m.fsf@gnu.org> (raw)
In-Reply-To: <87wpiwt2qx.fsf@gnu.org> ("Ludovic \=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\= \=\?utf-8\?Q\?s\?\= message of "Thu, 01 Sep 2016 10:59:02 +0200")

Hello,

ludo@gnu.org (Ludovic Courtès) skribis:

> $ sh -c 'exec -a FOO /gnu/store/6vmniz83k46l8jpry50wdvwxsncz1r5w-khal-0.7.0/bin/.khal-wrap-01  --version'
> .khal-real, version 0.7.0

What happens is that ‘exec -a’ is doesn’t work when the wrapped program
is a script.

This is because, when invoked via a shebang (or when passed the file
name of a script), interpreters receive the file name of the script as
argv[1], and then typically shift argv to the left (argv[1] becomes
argv[0] etc.)

AFAICS there’s no generic solution to this problem.  :-/

Ludo’.

  parent reply	other threads:[~2016-09-03 22:33 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-31 18:25 [UX] real names exposed Troy Sankey
2016-08-31 23:11 ` Leo Famulari
2016-08-31 23:33   ` Eric Bavier
2016-09-01  8:59     ` Ludovic Courtès
2016-09-03 15:30       ` Troy Sankey
2016-09-03 22:21         ` Troy Sankey
2016-09-04 19:38           ` Ludovic Courtès
2016-09-03 22:33       ` Ludovic Courtès [this message]
2016-09-04 19:41         ` Ludovic Courtès
2016-09-06  3:09           ` Eric Bavier
2016-09-07 22:04             ` Ludovic Courtès

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