GNU bug report logs - #30143
UX: print warning if substitute server is not authorized

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From: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
To: 30143 <at> debbugs.gnu.org
Subject: bug#30143: UX: print warning if substitute server is not authorized
Date: Wed, 17 Jan 2018 13:17:19 +0100

Suppose I add example.com as a substitute server by passing
“--substitute-urls=https://example.com” to the daemon or the Guix
command line.  I haven’t authorized the signing key, so Guix won’t
accept any of the substitutes from example.com.

Currently, Guix does not make it obvious to the user that a requested
substitute server is ignored because its key is not authorized.  We
should print a clear warning in this case.

(guix scripts authenticate) already includes “validate-signature”, which
aborts with an error if the key is not authorized, but we don’t seem to
use it.

--
Ricardo

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