bug#62448: Inconsistent guile enviornment from guix shell

[Josselin Poiret]

Hi Skyler,

It's a shame that nobody had pointed out this (quite common) missing
piece earlier.

Skyler via Bug reports for GNU Guix <bug-guix@gnu.org> writes:

> In spite of being reasonable, it is not particularly intuitive. Could I 
> recommend an addition to the manual in section "7.1 Invoking guix-shell", 
> adding text like the below after the example invocation `guix shell python 
> python-numpy -- python3​`?
>
> "Note that it is necessary to include the main python package in this command 
> even if it is already installed into your environment. This is so that the 
> shell environment knows to set PYTHONPATH and other related variables. The 
> shell environment cannot check the previously installed environment, because 
> then it would be non-deterministic."

Yes, this would be a good idea.  I can try to do this right now.

Best,
-- 
Josselin Poiret

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