Re: hurd-vm-service-type into /etc/config.scm

[Saku Laesvuori <saku@laesvuori.fi>]

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On Wed, Mar 27, 2024 at 11:21:11AM +0100, hubert.lombard@ik.me wrote:
> Hello o/
> 
> Further investigations to insert the hurd-vm in /etc/config.scm In my
> attempt at config.scm, inspired both by my own file and from examples
> found on the Internet, I've tried to use (define %my-gnome as well and
> (modify-services %desktop-services, knowing that I'm missing at least
> 1 module related to the package list. I've tried several, but I can't
> figure out which one (or which...)
> 
> $ sudo guix system reconfigure /etc/config.scm
> 
> --8<---------------cut here---------------start------------->8---
> ce-9/eval.scm:223:20: In procedure proc:
> erreur : packages : variable non liée
> conseil : Auriez-vous oublié un `use-modules' ?
> --8<---------------cut here---------------end--------------->8---
> 
> As I only use Guix System, I'm aware that I'd better build myself a a
> virtual machine to test this kind of configuration. Secondly, I'm also
> aware that even if my (use-modules) field was satisfied, there might
> still be other problems...
> 
> Here's the failing test, what do you think?
> 
> /etc/config.scm
> 
> --8<---------------cut here---------------start------------->8---
> (use-modules
>   (gnu)
>   (gnu services)
>   (gnu services base)
>   (gnu packages gnome)
>   (gnu packages)
>   (gnu packages base)
>   (gnu system nss)
>   (guix utils)
>   (gnu services cups)
>   (gnu packages certs)) ;;Maybe some modules not relevant here ?...
> 
> (use-service-modules desktop networking ssh xorg cups virtualization sound)
> 
> (use-package-modules bootloaders certs cups gnome xorg linux vim scanner screen ssh wm audio)
> 
> (operating-system
>   (locale "fr_FR.utf8")
>   (timezone "Europe/Paris")
>   (keyboard-layout (keyboard-layout "fr"))
>   (host-name "gnu")
>   (users
>    (cons* (user-account
>             (name "hubert")
>             (comment "Hubert")
>             (group "users")
>             (home-directory "/home/hubert")
>             (supplementary-groups
>              '("wheel" "netdev" "audio" "video" "kvm" "lp" "cdrom" "scanner")))
>           %base-user-accounts))
>   (bootloader (bootloader-configuration
>                 (bootloader grub-efi-bootloader)
>                 (targets (list "/boot/efi"))
>                 (keyboard-layout keyboard-layout)))
>   (swap-devices
>    (list (swap-space
>            (target (uuid "527ab16b-d20c-4269-bc6f-8910ef3f8c5e")))))                                 
>   (file-systems
>    (cons* (file-system
>             (mount-point "/boot/efi")
>             (device (uuid "1C82-1420" 'fat32))
>             (type "vfat"))
>           (file-system
>             (mount-point "/")
>             (device (uuid "e4fb3e05-b455-40db-bc59-4d4d011e1e01" 'ext4))
>             (type "ext4"))
>           %base-file-systems)))
>   (packages
>    (append
>     (list nss-certs ;for HTTPS access
>           vim ;some tools expect it to be there
>           gvfs ;for user mounts
>           openssh
>           cups
>           foomatic-filters
>           hplip
>           sane-backends
>           ijs
>           ghostscript)
>     %base-packages))
> 
>   (define %my-gnome
>     (package
>       (inherit gnome)
>       (name "my-gnome")
>       (propagated-inputs
>        (modify-inputs (package-propagated-inputs gnome)
>          (delete "epiphany")
>          (delete "evolution")
>          (delete "gnome-weather")
>          (delete "simple-scan")
>          (delete "gnome-maps")
>          (delete "gnome-boxes")
>          (delete "gnome-console")
>          (delete "gnome-contacts")
>          (append gnome-terminal))))
>     %my-gnome)

I suspect this define here. Firstly, it should be outside the
operating-system record. Here it means a field named 'define' which is
clearly not intended. The %my-gnome at the end will also cause problems
later as now %my-gnome is defined as a package record (that is not
stored anywhere) and as %my-gnome, which will cause nonterminating and
useless recursion. You might also have to import (guix packages) to
construct package records.

- Saku

PS. Your email client adds empty rows between every row of text, which
makes it hard to read. If there is a setting to control that or to omit
the HTML part completely (I'm assuming the problem is caused by
converting HTML-first emails to text form), you could try to turn it
off.

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