Re: Guix home, guix system, channels, some noob questions

[Julien Lepiller]

Guix home and guix system are pretty similar as they are used to declaratively 
manage configuration. But, they are not mutually exclusive. Guix system is the 
only way to install and update the Guix System (hence the name ;)).

Guix home manages your user's configuration (in /home) while guix system 
manages the system's configuration (traditionally in /etc, though less true for 
guix). The two are acting in a very similar on two different things.

Also, you can use guix home on a foreign distro, or choose to not use guix home 
on the Guix System.

HTH!

On May 11, 2022 4:55:23 PM GMT+02:00, "Sébastien Rey-Coyrehourcq" 
<sebastien.rey-coyrehourcq@univ-rouen.fr> wrote:
>Hi,
>
>My other question remain about guix home / guix system relation, and sudo, but 
>jpoiret found my main problem, my channels.scm are not well defined / not good 
>...
>
>- I made (cons * (channel ...)) (cons* (channel ...)) etc.
>
>- and .. the correct way is (cons * (channel ...) (channel ...))
>
>Everything run fine now with *guix system reconfigure /.config/guix/system.scm*
>
>Best
>
>Le 11/05/2022 à 16:36, Sébastien Rey-Coyrehourcq a écrit :
>> Hi,
>> 
>> Thanks Julien,
>> 
>> I see on the doc that *sudo* run command as user and not as root like other 
>> distro. So, to be sure, if i run *sudo guix something*, i don't change user 
>> to run this command isn't it ?
>> 
>> Actually i only work with my account "myuser" into group 
>> ("users","wheel",etc.) using or not using *sudo* (this is not clear when i 
>> need or not) for running *guix* command.
>> 
>> About the commands with /.config/guix/channels.scm (see content here 
>> https://paste.debian.net/1240553)  :
>> 
>> a) *guix describe* and *sudo guix describe* and *sudo -E guix describe* 
>> return
>> 
>> Génération 7    11 mai 2022 16:01:25    (actuelle)
>>   guix d24ad39
>>     URL du dépôt : https://git.savannah.gnu.org/git/guix.git
>>     branche : master
>>     commit : d24ad3949127a938cad306f0524c120afe5e2e4f
>> 
>> b) *guix system describe* return
>> 
>> 
>> Génération 7    10 mai 2022 12:39:34    (actuelle)
>>   nom de fichier : /var/guix/profiles/system-7-link
>>   nom de fichier canonique : 
>> /gnu/store/az1ff4ll80dbrbkayc4y0jqgnc2m37mp-system
>>   étiquette : GNU with Linux 5.17.5
>>   chargeur de démarrage : grub-efi
>>   périphérique racine : /dev/mapper/cryptroot
>>   noyau : /gnu/store/0ffifgs0ixgz0bf1pcahkfdkx9f7h720-linux-5.17.5/bzImage
>>   canaux :
>>     nonguix:
>>       URL du dépôt : https://gitlab.com/nonguix/nonguix
>>       branche : master
>>       commit : 1de0c32142c54bc73af5556d5e45c77152b31f0f
>>     guix:
>>       URL du dépôt : https://git.savannah.gnu.org/git/guix.git
>>       branche : master
>>       commit : d775a24344d4a910f6a19072c595bdafcf104b6f
>>   fichier de configuration : 
>> /gnu/store/idr8ds86m69gbx217g5h3qm6m353wliz-configuration.scm
>> 
>> c) *guix home describe* return
>> 
>> 
>> Génération 1    10 mai 2022 16:59:14    (actuelle)
>>   nom de fichier : /var/guix/profiles/per-user/reyman/guix-home-1-link
>>   nom de fichier canonique : /gnu/store/3q599hyjkx8c5ywsdy2gqfmx2bjzgzmm-home
>>   canaux :
>>     flat:
>>       URL du dépôt : https://github.com/flatwhatson/guix-channel.git
>>       branche : master
>>       commit : 094746c1e2e90f2df1e598ab1fd0abb4d75ce84d
>>     guix:
>>       URL du dépôt : https://git.savannah.gnu.org/git/guix.git
>>       branche : master
>>       commit : 0f705472126f7b935e0783bcd8fec831b7a0593b
>>   fichier de configuration : 
>> /gnu/store/ip90ffd0bzlr7j6kw5ky2pgxpyq1x23c-configuration.scm
>> 
>> With jpoiret, i try to resolve the issue on chat, i also try to run manually 
>> *guix pull -C ./config/guix/channels.scm* without success.
>> 
>> A *command -v guix* return */home/myuser/.config/current/bin/guix*
>> 
>> Best regards,
>> 
>> SR
>> 
>> 
>> 
>> Le 11/05/2022 à 12:47, Julien Lepiller a écrit :
>>> Hi Sébastien,
>>> 
>>> When you run guix describe, it's running the guix for your user, which 
>>> miggt be different from the one you run when you use sudo. That could 
>>> explain why the modules are not found. I don't think guix home has anything 
>>> to do with that.
>>> 
>>> I noticed that the first time you use sudo -E, whereas you use only sudo on 
>>> step 5. Mayée that's why it fails?
>>> 
>>> I would run sudo guix describe and sudo -E guix describe to see how the two 
>>> might be different from your user's guix :)
>>> 
>>> HTH!
>>> 
>>> On May 11, 2022 11:09:19 AM GMT+02:00, "Sébastien Rey-Coyrehourcq" 
>>> <sebastien.rey-coyrehourcq@univ-rouen.fr> wrote:
>>> 
>>>     Hi Guix people :)
>>> 
>>>     I'm starting guix, picking information when needed into documentation.
>>> 
>>>     I'm facing difficulties with channels.scm since i start using "guix 
>>> home", i read the doc page, but i need some other things to understand.
>>> 
>>>     Here my logic to start just after install :
>>> 
>>>     1 - I modify my //etc/guix/channels.scm/ file to add some modules : 
>>> /nonguix/ (my computer don't work well without) and /emacs-native-dep/ from 
>>> flatwhatson flat channel.
>>> 
>>>     2 - I /guix -E guix system reconfigure /etc/config.scm/, /guix pull/, 
>>> and everything goes well
>>> 
>>>     3 - Like explained in the doc, I run /guix home import 
>>> ~/src/guix-config /that generate /a //home-configuration.scm//
>>>     /
>>> 
>>>     /4 - /Into /home-configuration.scm///i add the package htop and 
>>> /emacs-native-comp/
>>> 
>>>     5 - In the guix home doc the next command is /guix home reconfigure 
>>> config.scm /but this is probably a typo and i run /guix home reconfigure 
>>> ~/src/guix-config/home-configuration.scm/
>>> 
>>>     6 - Everything goes well, emacs-native-dep compile during 1 hour, 
>>> problems arrive after that.
>>> 
>>>     7 - I'm moving the //etc/guix/config.scm/ and //etc/guix/channels.scm 
>>> /to my home /~/.config/guix/ , /and i run /sudo guix system reconfigure 
>>> ~/.config/guix/system.scm///*, that fail*/, /it seems the module (nongnu 
>>> and emacs-native-dep) are not referenced, like the error say /"no code for 
>>> module ( nongnu ..." /But when i run /guix system describe/, the 
>>> corresponding channel are well defined. /
>>>     /
>>> 
>>>     After that, i try many thing, like moving channels.scm and system.scm 
>>> back to /etc/guix/ but every reconfigure command fail in link with 
>>> channel/module not recognized (emacs-native-dep or nongnu)
>>> 
>>>     - /guix home reconfigure ~/src/guix-config/home-configuration.scm/
>>> 
>>>     - /guix system reconfigure ~/.config/guix/system.scm/
>>> 
>>>     - /guix system reconfigure ~/etc/guix/config.scm/
>>> 
>>>     So my question is first, why that fail after switching to guix home ? 
>>> and how and where i need to define/set correctly the /channel.scm/ file to 
>>> repair that ?
>>> 
>>>     For example, /guix system//describe/ and /guix home describe/ and /guix 
>>> describe/ return all different channel referenced, how i manage that ?
>>> 
>>>     I suppose there is a "workflow to use well guix home"? but this is not 
>>> actually in the doc. For example, perhaps after creating and switching to 
>>> guix home profile, running guix system is impossible or prohibited ? I 
>>> suppose this will be added in the future.
>>> 
>>>     Thanks a lot for your help.
>>> ------------------------------------------------------------------------
>>>     Sebastien Rey-C
>>> 
>>> 
>>>     //
>>>