Re: Recovering from broken Guix due to GC'd derivations

[ludo@gnu.org (Ludovic Courtès)]

Hi Mike,

Mike Gerwitz <mtg@gnu.org> skribis:

> On Sun, Jun 10, 2018 at 18:45:19 +0200, Ludovic Courtès wrote:
>> Hello Mike,
>>
>> Mike Gerwitz <mtg@gnu.org> skribis:
>>
>>> Any pull or package install operations that I attempt give me an error
>>> like this (the exact derivation varies between my user and root, but
>>> they're both Perl):
>>>
>>>   guix pull: error: open-file: No such file or directory:
>>>   "/gnu/store/fq9583a3w3is0r1yrjxg1znfz2qkvg78-perl-5.26.2.tar.xz.drv"
>>
>> This cannot happen under normal circumstances, as we say.  Could it be
>> that you run a Guix configured with a different ‘localstatedir’ than the
>> original one that populated /gnu/store?
>
> I've never done anything other than a normal `guix pull`.  When I was
> working on the `guix environment` changes for containers months ago, I
> was using `pre-inst-env', but nothing other than that.  I didn't provide
> any options to `configure' or anything change any other env vars.
>
> Since before March, I've just been using a vanilla guix (rather than my
> local git checkout).

Hmm weird.  Did you try running ‘guix gc --verify’?  I don’t see how one
could end up in such a state, unless there’s some hard disk corruption
or something.

Ludo’.