From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Thompson, David" <dthompson2@worcester.edu>
Subject: Re: Substitutes and multiple servers
Date: Mon, 20 Jul 2015 13:46:51 -0400
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To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= <ludo@gnu.org>
Cc: Guix-devel <guix-devel@gnu.org>

On Mon, Jul 13, 2015 at 2:00 PM, Ludovic Court=C3=A8s <ludo@gnu.org> wrote:
> Hi!
>
> Starting from commit 895d1ed, one can fearlessly use multiple substitute
> servers (specified via --substitute-urls), but currently only one at a
> time.
>
> That is, one can do:
>
>   guix build --substitute-urls=3Dhttp://hydra.gnu.org foo
>
> and later:
>
>   guix build --substitute-urls=3Dhttp://hydra.example.org bar
>
> and then switch back and so on, and =E2=80=98guix substitute=E2=80=99 wil=
l not be
> confused.
>
> The next step is obviously to process the whole list of servers when
> more than one URL is given.
>
> Comments welcome.

Awesome!  This makes 'guix publish' a bit more practical, and
supporting multiple substitution servers in the future will really let
'guix publish' shine since you'd be able to use your friend's guix
machines to supplement the builds available on hydra.gnu.org.

Thanks!

- Dave