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bug#55639: time-machine back in 2020: weird error
From: |
Ludovic Courtès |
Subject: |
bug#55639: time-machine back in 2020: weird error |
Date: |
Tue, 31 May 2022 16:32:34 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) |
Hi,
zimoun <zimon.toutoune@gmail.com> skribis:
>>From 9d795fb, I get on machine A,
>
> $ guix time-machine --commit=a7b20226b2 -- build hello
> [...]
> Backtrace:
> 1 (primitive-load "/home/simon/.cache/guix/inferiors/wulv?")
> In guix/ui.scm:
> 1936:12 0 (run-guix-command _ . _)
>
> guix/ui.scm:1936:12: In procedure run-guix-command:
> Throw to key `match-error' with args `("match" "no matching pattern"
> #<derivation
> /gnu/store/c6hgmfq0i4zgryqyl0ab1ms51fnrkmdv-bootstrap-binaries-0.drv =>
> /gnu/store/5bdaayvl6cs8nrdivskz4dbrsy2m009c-bootstrap-binaries-0
> 7fcda0633a50>)'.
Works for me:
--8<---------------cut here---------------start------------->8---
$ guix describe
Generation 216 May 30 2022 00:00:02 (current)
guix 98e2f4f
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 98e2f4fbebb8b08784401e2095123fcd3d3a32cb
$ guix time-machine --commit=a7b20226b2 -- build hello
guile: warning: failed to install locale
/gnu/store/a462kby1q51ndvxdv3b6p0rsixxrgx1h-hello-2.10
--8<---------------cut here---------------end--------------->8---
> Last, on machine B, the time-machine just works. Maybe it is related to
> NVMe and something like [1].
This looks like something different, but it’s very weird. The unhelpful
‘match-error’ seems to occur early on:
--8<---------------cut here---------------start------------->8---
$ head -1942
~/.cache/guix/inferiors/wulvgnewx2av6dvgkq6adku4kzmlva75l2gukndywh7wvzenkmoa/share/guile/site/3.0/guix/ui.scm
| tail -12
;; Disable canonicalization so we don't don't stat unreasonably.
(with-fluids ((%file-port-name-canonicalization #f))
(dynamic-wind
(const #f)
(lambda ()
(apply command-main args))
(lambda ()
;; Abuse 'exit-hook' (which is normally meant to be used by the
;; REPL) to run things like profiling hooks upon completion.
(run-hook exit-hook)))))))
(define (run-guix . args)
--8<---------------cut here---------------end--------------->8---
Does “guix time-machine --commit=a7b20226b2 -- help” work for you?
Can you fiddle at the REPL and try to see more precisely what’s failing?
guix time-machine --commit=a7b20226b2 -- repl -q
Thanks,
Ludo’.