guix operates on explicitely installed packages, dependencies are
implementation details. It just doesn't work like apt or other package
managers. New tool, new usages.
So how user gonna delete preinstalled packages which are not installed
by guix install x?
wpa-supplicant is none essential package when there is no wifi, how
user
gonna delete it?
no easy way to do it (i mean easy as similarly to apt/dnf..etc) thats
the whole issue
Maybe something like synapse should exist to do this job in guixos?
I dunno, But current idea of no clean,easy way to delete these packages
(or similar) just bad usability experience.
Julien Lepiller:
Le 14 avril 2021 12:31:31 GMT-04:00, bo0od <bo0od@riseup.net> a écrit
:
In particular, there are multiple
profiles, and each of them could contain avahi or a reference to
avahi.
That doesnt address the issue im talking about, why guix remove
doesnt
recognize the package that number 1 , number 2 if the package will
break
something important guix should say that after processing the
command
guix remove x package then show warning message this x package is
dependency of xyz which might break your system would you like to
proceed? <- something like that.
guix removc only operates on your user profile, which doesn't contain
avahi. That's what it's telling you.
You can check that you do not have avahi installed in your profile
with
guix package -l
And that none of your installed packages depend on it:
guix size `readlink -f ~/.guix-profile`
Guix operates only on explicitely installed packages, which I think
is much cleaner and allows it to be more predictable. Compare, if A
depends on B and C, initially you have all three.
apt install B then apt remove A -> nothing
apt remove A then apt install B -> only B
guix install B then guix remove A -> B and C
guix remove A then guix install B -> B and C
guix operates on explicitely installed packages, dependencies are
implementation details. It just doesn't work like apt or other package
managers. New tool, new usages.
Second, your operating-system declaration apparently is running
the avahi server. Since you didn't share it, I don't know if it
comes
from a service dependency or if it's declared explicitely
do you mean config.scm? if you need something type the command or
where
and i will bring it to you.
Yes, I meant /etc/config.scm (well, by convention, as you can always
create the file elsewhere). But I don't need it anymore, since I
learned it's actually part of the default %desktop-services.
When you run "guix remove" as user, it only affects your user
profile,
in which there is no avahi or wpa-supplicant package. Also note
that,
if
any of your user's profile had a dependency on avahi, "guix remove
avahi" would not have any effect on it either, because it's not
installed explicitely, it's only present in the store to satisfy a
dependency.
You dont consider that an issue when someone use guix remove x then
ops
guess what nothing indicate something can be done, and guess what no
error message gonna tell you what the hell going on. Least can be
said
about this bad usability.
It's not "no message", is it? I lust tried "guix remove hello", and I
don't have hello in my profile. It told me (in red): error: package
'hello' not found in profile.
Not sure how it could be more explicit.
I hope this is helpful :)
Appreciated :)
Julien Lepiller:
Le Tue, 13 Apr 2021 12:46:19 +0000,
bo0od <bo0od@riseup.net> a écrit :
Hi There,
I saw some packages installed by default with guix like
wpa-supplicant and avahi..., But if i type 'guix remove av' and i
press tab nothing will complete the word and if i type 'guix
remove
avahi' or 'guix remove wpa-supplicant' ... just give error
message.
(check the uploaded txt file)
Guix has a different notion of "installed" and "not installed" from
other distros because of its model (and because it lets us use (but
not
"install") incompatible packages). In particular, there are
multiple
profiles, and each of them could contain avahi or a reference to
avahi.
In your case, I think avahi comes from two places:
First, guix itself depends on guile-avahi, which brings in avahi.
That's because substitution can use avahi to get substitutes from
your
local network.
Second, your operating-system declaration apparently is running
the avahi server. Since you didn't share it, I don't know if it
comes
from a service dependency or if it's declared explicitely, but if
you
don't want it to be running, that's where you'd remove it (either
remove the explicit service, or the dependent service (guix
publish?))
Avahi is added by the installer if you enable "Substitute server
discovery" in the installer.
Similarly, wpa-supplicant is probably part of another profile, or
maybe
declared in your config.scm. Once you change it, you should
reconfigure
(guix system reconfigure /etc/config.scm). This will not remove
files
from the store, until you run guix gc.
When you run "guix remove" as user, it only affects your user
profile,
in which there is no avahi or wpa-supplicant package. Also note
that,
if
any of your user's profile had a dependency on avahi, "guix remove
avahi" would not have any effect on it either, because it's not
installed explicitely, it's only present in the store to satisfy a
dependency.
You can find out about these dependencies with guix graph, for
instance:
guix graph -t references --path `readlink -f \
$HOME/.config/guix/current` `guix build avahi`
/gnu/store/9yvb5kknnq8b1mrfsqaggrgjifk2mgs4-profile
/gnu/store/dy46rf8aknz4im7sjz89i9b7snqi1m8w-guix-f91e1046c
/gnu/store/szyzmhsxckvb0h7pdh9ags9apd1sch7m-guix-command
/gnu/store/zjpqr7m6j3cjk5l2sr81yxyg5ny4njy6-guix-module-union
/gnu/store/jawdw5ca459z8y3a6hcd5pd772zjrs93-guile-avahi-0.4.0-1.6d43caf
/gnu/store/gj0irsda1y0msawq8g1wfcgw7xcsxz2m-avahi-0.8
I hope this is helpful :)