From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Hinsen <konrad.hinsen@fastmail.net>
Subject: Re: A few questions about packages
Date: Wed, 7 Mar 2018 18:38:52 +0100
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To: Jone <yeger9@gmail.com>, help-guix@gnu.org

On 07/03/2018 17:09, Jone wrote:

> Hello. Can I remove old package versions and other builds? On the 
> example of Icecat:
> 
>      252.1 MiB [          ] 
> /5ym67s5vp1vmnc3y4ds4r3687vc3nl25-icecat-52.6.0-gnu1
>      252.0 MiB [          ] 
> /360i9ca4gnm3rsjj8v43ih0j3mfrp40n-icecat-52.6.0-gnu1
>      246.8 MiB [          ] 
> /kd0nnq3i0qarx4vqxcampxfj3igxn84h-icecat-52.3.0-gnu1

"guix gc" will delete all packages that are no longer required. Most 
probably that includes all Icecat installs except for the latest. 
However, if two users on the system have different versions of Icecat 
installed, both will be kept.

> And the next question, is also about Icecat: version 52.6.0 was compiled 
> from source. This is too long. Can I create binary package from this 
> local installation?

In a sense you already have one, stored on your computer. So I guess 
your question is how you can use this binary package on a different 
machine, right? There are two answers to this question:

  1) If the other machine also runs Guix, the answer is "guix archive":
 
https://www.gnu.org/software/guix/manual/guix.html#Invoking-guix-archive

  2) If the other machine does not use Guix, have look at "guix pack":
     https://www.gnu.org/software/guix/manual/guix.html#Invoking-guix-pack

Konrad.