Re: hydra.gnu.org off-line for maintenance

[Luther Thompson]

On Fri, 26 Oct 2018 00:23:57 -0400
George Clemmer <address@hidden> wrote:

> Leo Famulari <address@hidden> writes:
> 
> > On Thu, Oct 25, 2018 at 06:41:26PM -0400, Luther Thompson wrote:  
> >> How do we do that? I followed the link, but I can't find the info
> >> to pass to `guix archive --authorize` anywhere.  
> >
> > The signing keys can be found in the Guix package itself, at
> > 'share/guix/berlin.guixsd.org.pub'. For example:
> >
> > $ guix build guix
> > /gnu/store/zz3b7j4iv6v143v7cqyr77k83zc5n3zw-guix-0.15.0-6.f9a8fce
> > $ guix archive --authorize
> > < /gnu/store/guix-0.15.0-6.f9a8fce/share/guix/berlin.guixsd.org.pub
> >
> > It is described in the manual section Substitute Server
> > Authorization, although the use of 'prefix' in this context is a
> > little obscure:
> >
> > https://www.gnu.org/software/guix/manual/en/html_node/Substitute-Server-Authorization.html
> >
> > The keys can also be found in the Guix source code, which may be
> > more convenient:
> >
> > https://git.savannah.gnu.org/cgit/guix.git/tree/berlin.guixsd.org.pub  
> 
> Hi Luther,
> 
> In addition to what Leo said, I believe you also need to add this
> option ...
> 
> --substitute-urls=https://berlin.guixsd.org
> 
> ... to each guix command -or- add it to GUIX_BUILD_OPTIONS -or- add
> something like this to your system config ...
> 
> (define %my-services
>   (modify-services %base-services
>     (guix-service-type config =>
>                      (guix-configuration
>                       (inherit config)
>                       (substitute-urls (list
> "https://mirror.hydra.gnu.org"; "https://hydra.gnu.org";
>                                              "https://berlin.guixsd.org";
>                                              ))))))
> ...
>   (services (cons*
>              ...
>            %my-services))
> 
> HTH - George

Ok, I've followed Leo's and George's instructions, and it seems to be
working now. I see it downloading substitutes from both
berlin.guixsd.org and mirror.hydra.gnu.org. Thank you.

Luther