GNU bug report logs - #39807
[PATCH] guix: pack: Only wrap executable files.

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Eric Bavier <bavier <at> posteo.net>
Cc: 39807 <at> debbugs.gnu.org
Subject: [bug#39807] [PATCH] guix: pack: Only wrap executable files.
Date: Wed, 21 Oct 2020 17:35:26 +0200

Hi Eric,

Eric Bavier <bavier <at> posteo.net> skribis:

> On Wed, 2020-10-21 at 11:07 +0200, Ludovic Courtès wrote:
>> Hi Eric,
>> 
>> Instead of searching for an occurrence of ORIGINAL_STORE, can’t we use
>> the file name of the wrapper (as opposed to WRAPPED_PROGRAM) in the
>> index calculation?  Along these lines:
>
> Good idea, I hadn't considered that we know the destination of the
> wrapper in advance.  
>
> This works as long as we make sure "result" is in canonical form, e.g.
> no repeated separators, because /proc/self/exe is in canonical form:

Good point.

>                (mkdir-p (dirname result))
>                (apply invoke #$compiler "-std=gnu99" "-static" "-Os" "-g0" "-Wall"
>                       "run.c" "-o" result
> +                     (string-append "-DWRAPPER_PROGRAM=\"" result "\"")

Can we just write (canonical-path result) here?  That way we wouldn’t
need ‘find-input-files’ and related changes.

Thanks,
Ludo’.

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