From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pjotr Prins <pjotr.public12@thebird.nl>
Subject: Re: updating list of substitutes
Date: Sun, 11 Oct 2015 09:46:54 +0200
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To: Pjotr Prins <pjotr.public12@thebird.nl>
Cc: guix-devel@gnu.org

The list of substitutes gets downloaded every time I do someting:

  substitute: updating list of substitutes from 'http://hydra.gnu.org'...   4.6%

and it is slow. Am I doing something wrong?

It appears to me that if the list does not change it should not be
downloaded. Would a simple check on a SHA value not do?

Pj.