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Re: A real-life test of long-term reproducibility
From: |
Ludovic Courtès |
Subject: |
Re: A real-life test of long-term reproducibility |
Date: |
Mon, 05 Sep 2022 11:51:15 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Hi,
Ludovic Courtès <ludo@gnu.org> skribis:
> Konrad Hinsen <konrad.hinsen@fastmail.net> skribis:
>
>> $ guix time-machine --commit=48aa30ce73d45dc5f126f42f01e65f1be4a9b578‘> --
>> environment guix
>> Updating channel 'guix' from Git repository at
>> 'https://git.savannah.gnu.org/git/guix.git'...
>> Authenticating channel 'guix', commits 9edb3f6 to 48aa30c (6 new
>> commits)...
>> guix time-machine: error: commit
>> 48aa30ce73d45dc5f126f42f01e65f1be4a9b578 is not a descendant of
>> introductory commit 9edb3f66fd807b096b48283debdcddccfea34bad
>
> Here you would need ‘--allow-downgrades’.
Sorry I replied to quickly; it should have been
‘--disable-authentication’.
Why? Because here you’re trying to travel to a commit that’s not part
of the “authenticated history”—that is, it’s not a descendant of the
“introductory commit”, which is the first commit in history starting
from which the “authentication invariant” holds.
Hopefully this is clearer; maybe? :-)
Cheers,
Ludo’.