From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Multiple substitute servers question
Date: Tue, 02 May 2017 23:14:08 +0200
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In-Reply-To: <87bmrbp84b.fsf@gmail.com> (Maxim Cournoyer's message of "Tue, 02
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To: Maxim Cournoyer <maxim.cournoyer@gmail.com>
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Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>
>> Hello!
>>
>> Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:
>>
>>> Maxim Cournoyer <maxim.cournoyer@gmail.com> writes:
>>
>> [...]
>>
>>> The substitute URI should be "https://mirror.hydra.gnu.org". When using
>>> such URI it works without an error.
>>>
>>> My original question still holds though (why is an unresolvable
>>> substitute-url able to bring the guix command down when at least one
>>> working alternative substitute server exists? -- it should just warn
>>> about it and push through).
>>
>> That=E2=80=99s what it does, except for URL syntax errors.
>>
>>
>>   --substitute-urls=3D"http://example.org/does-not-work https://mirror.h=
ydra.gnu.org"
>>
>> then the first one is ignored.
>>
>> Does that make sense?
>
> What do you mean by "URL syntax errors"? Like, wrong protocol prefix or
> non-ascii characters?

I mean any string for which =E2=80=98string->uri=E2=80=99 returns #f, such =
as
=E2=80=9Cfoo.example.org=E2=80=9D.

> I'll keep this thread around for the next time a 'guix package' command
> fails in an unexpected way. It seems to come everytime bayfront is in a
> broken/semi-broken state (my regular url-substitutes list is made up of
> 1st bayfront, 2nd mirror.hydra.gnu.org).

I do the same, but what I see is just that sometimes bayfront doesn=E2=80=
=99t
show up in the substitute messages, that=E2=80=99s all.

Thanks,
Ludo=E2=80=99.