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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Default substitute URLs
Date: Tue, 12 Jul 2016 10:52:49 +0200
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To: guix-devel <guix-devel@gnu.org>

Hello!

If there are no objections, I=E2=80=99d like to change the default substitu=
te
URLs to just =E2=80=9Chttps://mirror.hydra.gnu.org=E2=80=9D.

Currently it=E2=80=99s =E2=80=9Chttps://mirror.hydra.gnu.org https://hydra.=
gnu.org=E2=80=9D (see
config-daemon.ac), but the second URL is redundant and can only cause
slowness (if a substitute is missing on the mirror, the other machine is
queried but it likely lacks it as well.)

Since guix-maintenance commit 539f7351d749e25c73e90877ea159d495ed4d4b0,
mirror.hydra.gnu.org caches build logs as well, which removes the main
reason for keeping hydra.gnu.org among the substitute URLs.

Thoughts?

Ludo=E2=80=99.