From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pjotr Prins <pjotr.public12@thebird.nl>
Subject: Re: Question: purging a package from the store
Date: Wed, 8 Jun 2016 13:14:40 +0200
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To: Roel Janssen <roel@gnu.org>
Cc: guix-devel@gnu.org

On Wed, Jun 08, 2016 at 12:19:54PM +0200, Roel Janssen wrote:
> > Our caching server gives a consistent failure for one package. It
> > exists in the store and 'guix gc checks' pass.
> >
> >   guix substitute: error: download from
> >   'http://guix.genenetwork.org:8080/nar/sqd3q1xq5fsbga00bwhghi9shi7xdaac-gtk+-3.18.2'
> >   failed: 404, "Not Found"
> >
> > Now I want to purge it without running a full gc. Next reinstall it
> > and see if it gets fixed.
> >
> > What is the suggested method for fully purging a package from the store?
> >
> > Pj.
> 
> What about:
>   guix gc --delete /gnu/store/...-gtk+-3.18.2/
> 
> (add the specific package path after --delete).
> 
> A package can only be purged when it is not installed in any profile.

Hmmm. It is a running server that actually uses that package.

I wonder if it is the same problem we saw before on the substitute
servers (hits missing). How did we resolve those? What was the real
problem? A rebuild merely reinstates the profile on this machine. It
actually appears to be fine.

Even so the nar server gives an error for this package. Only for this
package - all others are served.

I guess I have to read some source code.

Pj.