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From: ludo@gnu.org (Ludovic Courtès)
To: Vincent Legoll <vincent.legoll@gmail.com>
Cc: help-guix@gnu.org
Subject: Re: multiple versions
Date: Sat, 16 Jul 2016 22:49:19 +0200	[thread overview]
Message-ID: <87mvlh71gw.fsf@gnu.org> (raw)
In-Reply-To: <CAEwRq=pma6zZhVsVN67ddKDr-FKipBjsdFthVLMZHJS1UQMBQw@mail.gmail.com> (Vincent Legoll's message of "Sat, 16 Jul 2016 15:57:38 +0200")

Hi,

Vincent Legoll <vincent.legoll@gmail.com> skribis:

> I m trying to get python3 & python2 installed for the same user
>
> guix package -i python@2 -i python@3
>
> but that does not look like it will do what I want:
>
> vince@guixsd ~/guix-packages$ guix package -i python@2 python@3
> The following package will be downgraded:
>    python    3.4.3 → 2.7.10
> /gnu/store/7fm1qk703x47qzb9p6xg08cxgb009akz-python-2.7.10
>
> The following package will be upgraded:
>    python    3.4.3 → 3.4.3
> /gnu/store/dsp685maxqc1i6qcib77449g2b6b7qah-python-3.4.3

This is impossible.  A profile can contain at most one package of a
given name.

However, what you can do is create separate profiles:

  guix package -p pytwo -i python@2
  guix package -p pythree -i python@3

… or use ‘guix environment’:

  guix environment --ad-hoc python@2

HTH!

Ludo’.

      reply	other threads:[~2016-07-16 20:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-16 13:57 multiple versions Vincent Legoll
2016-07-16 20:49 ` Ludovic Courtès [this message]

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