GNU bug report logs - #34279
guix-install.sh: uses /bin/bash shebang

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Message #11 received at 34279 <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: Claes Wallin <clacke <at> lysator.liu.se>, 34279 <at> debbugs.gnu.org
Subject: Re: bug#34279: guix-install.sh: uses /bin/bash shebang
Date: Mon, 04 Feb 2019 22:56:01 +0100

Ludovic Courtès <ludo <at> gnu.org> writes:

> Hi,
>
> Claes Wallin (韋嘉誠) <clacke <at> lysator.liu.se> skribis:
>
>> This means ./guix-install.sh doesn't work on e.g. NixOS. :-)
>>
>> Please use /usr/bin/env bash.
>
> /usr/bin/env wouldn’t work on Guix System by default.  :-)

“guix-install.sh” arguably would not primarily be executed on a Guix
system.

> +# We require Bash but for portability we'd rather not use /bin/bash or
> +# /usr/bin/env in the shebang, hence this hack.
> +if [ "x$BASH_VERSION" = "x" ]
> +then
> +    exec bash "$0" "$@"
> +fi
> +

Neat!

--
Ricardo

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