Subject: Re: bug#26608: bug#22629: “Stable” branch

From: zimoun <[email-masked]>
Date: Fri, 20 Aug 2021 13:09:18 +0200

Hi,

On Fri, 31 Aug 2018 at 00:02, [email-masked] (Ludovic Courtès) wrote:

> (Cc’ing <https://bugs.gnu.org/32022> and <https://bugs.gnu.org/26608>,
> which are related.)
>
> Alex Sassmannshausen <[email-masked]> skribis:
>
>> I don't know if this is what Konrad desires, but from my perspective, a
>> desirable part of the definition of stable would be a that the build
>> farms have produced a set of binaries/substitutes for a given Guix
>> revision that is "good enough".
>
> I just had a bright idea (yes!): this can be addressed by writing
> something like this in ~/.config/guix/channels.scm:
>
>   (map latest-commit-with-substitutes-available
>        %default-channels)
>
> The hypothetical ‘latest-commit-with-substitutes-available’ would use
> (git) and (guix ci) to find the latest commit for which substitutes of
> interest are available, and would return:
>
>   (channel
>     ;; …
>     (commit "cabbag3"))   ;the ideal commit
>
> This has to be done with great care to prevent a downgrade attack and to
> make sure the user doesn’t miss out on security updates, but maybe we
> could provide a procedure that makes reasonable choices.

From my understanding, this bug can be close because:

<https://guix.gnu.org/manual/devel/en/guix.html#Channels-with-Substitutes>
<https://guix.gnu.org/manual/devel/en/guix.html#Channel-Authentication>

WDYT?

All the best,
simon