bug#41604: guix pull impossible after rebasing a local repository

[zimoun]

Hi Ludo,

On Fri, 5 Jun 2020 at 18:17, Ludovic Courtès <ludo@gnu.org> wrote:

> Generally, rebasing does not necessarily implies ‘git gc’, so I think

It depends on how "git gc" is configured.  Well, I am not a Git
specialist but from my understanding of the manual, by default, these
unreachable commits are kepts 30 days and then garbage collected.


> one has to be unlucky to have the former commit disappear right away,
> no?

Unluck happens! as Forest Gump said. ;-)


> But yeah, I don’t think there’s much we can do.  Or perhaps we could
> have ‘commit-relation’ report 'unrelated when one of the commits does
> not exist, that’d be clearer and more useful than this error.

And report a hint.
For example, guix pull --switch-generation


Cheers,
simon