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From: Simon Tournier <zimon.toutoune@gmail.com>
To: Philippe Veber <philippe.veber@gmail.com>, help-guix@gnu.org
Subject: Re: Dependence on an old version of a package.
Date: Tue, 19 Dec 2023 15:38:57 +0100	[thread overview]
Message-ID: <877cla45q6.fsf@gmail.com> (raw)
In-Reply-To: <CAOOOohRJu0QH+czx3qAwNxCY0X9JBd4NdUd9vjBvt-kDFCHkmA@mail.gmail.com>

Hi,

On Sun, 10 Dec 2023 at 09:18, Philippe Veber <philippe.veber@gmail.com> wrote:

> (define mychannels
>   (list (channel
>          (name 'guix)
>          (url "https://git.savannah.gnu.org/git/guix.git")
>          ;; Last commit that still has openmpi < 4.0.0
>          (commit
>           "1482531cd7d0f1f7e565207240affb68dd822e17"))))

--8<---------------cut here---------------start------------->8---
$ guix time-machine --commit=1482531cd7d0f1f7e565207240affb68dd822e17 -- help
guix time-machine: error: cannot travel past commit `6298c3ffd965' from May 1st, 2019
--8<---------------cut here---------------end--------------->8---


>      My question is this: should I just be patient and wait for it to
> complete or I'm doing this wrong?

You are trying to time-travel to something before the introduction of
time-travel.  Hence the unexpected behaviour, I guess.

Thanks for reporting that something is missing.  The inferior should
stop and error out.  It does not because ’cached-channel-instance’ is
currently called with the argument ’#:validate-channels’ set to the
default (const #t).

Currently, the verification is only done in
guix/scripts/time-machine.scm.  Well, this issue seems being part of
bug#65788 [1].


1: bug#65788: poor information when updating using “guix time-machine”
Simon Tournier <zimon.toutoune@gmail.com>
Wed, 06 Sep 2023 18:57:38 +0200
id:87pm2vme7x.fsf@gmail.com
https://issues.guix.gnu.org/65788
https://issues.guix.gnu.org/msgid/87pm2vme7x.fsf@gmail.com
https://yhetil.org/guix/87pm2vme7x.fsf@gmail.com

Cheers,
simon


  reply	other threads:[~2023-12-19 14:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-10  8:18 Dependence on an old version of a package Philippe Veber
2023-12-19 14:38 ` Simon Tournier [this message]
2023-12-21 10:31   ` Philippe Veber
2024-01-11 18:29     ` Simon Tournier
2024-01-14 14:41       ` Philippe Veber

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