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Re: Export archive and import it on another machine

From: Leo Famulari
Subject: Re: Export archive and import it on another machine
Date: Fri, 19 Feb 2016 12:06:10 -0500
User-agent: Mutt/1.5.24 (2015-08-30)

On Fri, Feb 19, 2016 at 09:42:59AM +0000, 白い熊@相撲道 wrote:
> On February 18, 2016 11:34:52 PM CET, Leo Famulari <address@hidden> wrote:
> >On Thu, Feb 18, 2016 at 08:01:44PM +0000, 白い熊@相撲道 wrote:
> >> I'm trying to export Libreoffice from one PC and import it on another
> >one — the reason I'm doing this is that with the latest git checkout
> >when I try to install it on a PC with a newly installed GuixSD it keeps
> >building it from source and failing. 
> >> 
> >> Anyhow, on the machine that I have it installed I ran: 
> >> 
> >> # guix archive --generate-key
> >> $ guix archive --export -r /gnu/store/hash...libreoffice- >
> >libreoffice- 
> >> 
> >> Then copied the nar and /etc/guix/ to the other PC. 
> >> 
> >> There I ran: 
> >> 
> >> # guix archive --authorize <
> >> $ guix archive --import < libreoffice-
> >> 
> >> The last command fails with: 
> >> 
> >> guix archive: error: build failed: program `guix-authenticate' failed
> >with exit code 1
> >> 
> >> What am I doing wrong? 
> >
> >Hm, I'm not sure. Are you sure the source machine's public key is in
> >/etc/guix/acl?
> I think it is — I see one entry in the acl file, but since it's a hash I 
> don't know how to confirm that it represents the much shorter hash found in 
> the source machine's file. 

Typically there would only be one entry in the acl file, containing's public key.

So, unless you do not use substitutes from, there should
be two keys.

Also, I believe that the imported key should match the contents of I tested this functionality while reading your message
yesterday and that was my experience. Perhaps try importing the public
key again?

> >> Side question — why is it building Libreoffice from source on “guix
> >package -i libreoffice”? Recipe there, but not built on Hydra? How can
> >I install an earlier already—built version? 
> >
> >Most likely for this reason:
> >
> >
> >You can install an earlier version by checking out a commit in the Guix
> >git repo from before Vigra broke, and building based on that commit
> >[0].
> That's good — I can do that. I'm not really familiar with git yet — how can I 
> determine the commit representing the point in time before Vitro broke and 
> pull it? And how do I go back to master after rebuilding and installing 
> libreoffice? 

I bet if you ask on #guix, somebody will know what broke Vigra and can
help you figure that out. Otherwise, I would read the git log and
compare it to Vigra's dependencies; you might find some clues. Then you
can use `git bisect` to narrow it down.

After installing libreoffice from that commit, you don't need to do
anything special. You can keep using guix normally. Your working
installation of libreoffice will remain in your profile until you can
successfully update it from the HEAD of the master branch again (that
is, with `guix pull`).

> >When building Guix from git, be sure to pass the correct value to
> >./configure --localstatedir=. Most likely it is '/var'.
> Thank you for reminding me of this! I would have forgotten for sure! :@) 
> --
> 白い熊@相撲道
> >[0]
> >

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