bug#40769: Git error: object not found when running guix pull

[Mayeul Cantan]

> ‘guix pull’ maintains Git clones under ~/.cache/guix/checkouts.
> Probably the hardware issue led to a corrupt checkout there, hence the
> error above.  You fix that by running:
>
>   rm -rf ~/.cache/guix/checkouts
>
> before running ‘guix pull’ again.


Hi Ludo,

Sory for not answering earlier. That helped me a lot! Thank you very 
much.

Cheers,

Mayeul