On 06-09-2022 09:18, Ludovic Courtès wrote:
>> "guix shell" is for making packages available in the
>> environment. Currently, "guix shell -- foobar" does not make any
>> packages available -- it's effectively a no-op except for setting
>> GUIX_ENVIRONMENT.
> True, though you could always have scripts that read:
>
>    guix shell $packages -- whatever
>
> and that will suddenly behave differently if $packages expands to an
> empty string.  Tricky!

Right, I didn't think of such uses.

Greetings,
Maxime.