Re: How to properly upgrade Guix System & Home?

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi,

Tanguy LE CARROUR <tanguy@bioneland.org> writes:

> Hi Julien,
>
> Thanks for your reply!
>
> Quoting Julien Lepiller (2023-03-22 18:24:37)
>> Most likely, you're just seeing a weird behavior caused by grafts. […]
>> When you reconfigure, guix needs to download the ungrafted package
>> before it figures out it already has the graft.
>
> Oh… Oh… grafts! 🤯
>
>
>> Since they have the same name and version, I think you're just
>> cwnfusing the two :)
>
> "Confused" is the appropriate word, indeed! 😅
>
> The thing is, I've been (for the last few months! 😱) in the process of
> writing home services definitions to replace **all** my configuration files,
> so I run **a lot** of `guix home reconfigure`. The command usually takes 30
> seconds to run, but right after I `guix gc` it takes 10 minutes. So I
> guess I should stop collecting garbage for the time being, which is most
> inconvenient for it saves more than 4Go of disk space.

I think we should do something on Guix's side too; it'd be more
intuitive and save resource/time if the things needed by grafts were
always available, i.e. prevented from being garbage collected.

-- 
Thanks,
Maxim