Re: collection of “guix pull“ bug reports

[Maxim Cournoyer]

Hi Simon,

Simon Tournier <zimon.toutoune@gmail.com> writes:

> Hi,
>
> The bug tracker – or guix-devel and/or help-guix – reports several
> similar issues: “guix pull” fails and then run it again (or again and
> again and …) makes it pass.  Well, part of the collection:
>
> https://issues.guix.gnu.org/issue/62830
> https://issues.guix.gnu.org/issue/63451
> https://issues.guix.gnu.org/issue/63830
> https://issues.guix.gnu.org/issue/64489
> https://issues.guix.gnu.org/issue/64659
> https://issues.guix.gnu.org/issue/64753
> https://issues.guix.gnu.org/issue/64963
>
> It is hard to know if all have the same root and/or they are the trace
> of the same bug but there is an issue with “guix pull”.  For example
> #64302 and #64489 had been merged but based on #64489 message, I am not
> convinced the issue is the same as the reported by #64302.  Anyway.
>
> Recently, I had to run several times “guix pull” in a row.  And on
> another machine, I did it with --no-substitutes because I was tired.
>
> Well, I do not know how to tackle this: most of the time the issue is
> not reproducible because it depends on substitute servers.
>
> Any idea about what could be unexpected or what needs some love?

I haven't checked the above links, but I think something that would help
in this regard is better handling of network issues.  E.g, don't print a
backtrace on the first connection failure; retry maybe 3 times then
print a helpful error mentioning the network appears unreliable.

-- 
Thanks,
Maxim