About /var/guix/profiles and guix pull generations

[Pierre Neidhardt <mail@ambrevar.xyz>]

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Hi!

I had a look at /var/guix/profiles and noticed that there were some forgotten links
there.  For instance, of some custom profiles I didn't use and all.

After removing those links (sudo rm ...), guix gc could free a lot of
space!

I also noticed that "guix pull" generations were accumulating, and that
might eat up some disk space as well.  So I ran a

--8<---------------cut here---------------start------------->8---
$ guix package -p ~/.config/guix/current -d1m
--8<---------------cut here---------------end--------------->8---

to free all guix checkouts older than a month.

I wonder if we should not document this more.  Maybe have "guix" display
extensive information about the profiles in /var/guix/profiles?
When the guix store runs low on disk space, Guix currently suggests to
run "guix gc" and all.  I think we should suggest the above command and
to check for other GC rotos in /var/guix/profiles.

Thoughts?

Finally, do I need /var/guix/profiles/per-user/root at all?  Is it safe to
remove?

-- 
Pierre Neidhardt
https://ambrevar.xyz/

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