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Re: How to add custom channels to ISO
From: |
Elais Player |
Subject: |
Re: How to add custom channels to ISO |
Date: |
Fri, 30 Jul 2021 10:15:07 -0600 |
User-agent: |
mu4e 1.4.15; emacs 28.0.50 |
You could add the custom channels file as an
=extra-special-file=[1] in the =os-configuration=.
It would look something like this:
#+BEGIN_SRC scheme
(define %my-installation-os
(operating-system
(inherit installation-os)
(services
(cons*
(extra-special-file
"/etc/guix/channels.scm"
(local-file "/path/to/my/channels.scm"))
(operating-system-services installation-os)))))
#+END_SRC
Plus side is you now have a global channels file from which all
you need to do is run =guix pull= to have all your channels up to
date. You may also want to pin those channels to certain commits
just in case. Down side is running =guix pull= will start filling
up your disk or memory on an ISO and you can easily run out of
space. (I would advise not running =guix pull= until after
partitioning and setting up the target system), and this file will
be added to the store (but if you're creating a channels file in
=/etc= shouldn't matter honestly).
phodina via <help-guix@gnu.org> writes:
Hello,
I'm migrating to a newer machine and I'm taking my GuixSD
configuration with me.
So the first logical step I did was to create an ISO image based
on this section [1]. As I use my custom channel with modified
packages I added them to the configuration to make them
available on the new machine.
Or so I thought. I booted and partitioned the new machine then
ran
guix system init /root/configurations.scm /mnt to install Guix
there.
However, after reboot turns out that the packages are not from
my channel but from public Guix repository without
modifications.
Therefore my question is if it's possible to specify also
channels in the configuration file so that they are used during
installation?
Reading the manual I came to a nice command guix system describe
[2] which gives me the current configuration with the
channels. Could that be used to build an ISO which would then
also know about the additional channels?
Kind regards
Petr
[1]:
https://guix.gnu.org/manual/en/html_node/Building-the-Installation-Image.html
[2]:
https://guix.gnu.org/manual/en/guix.html#Invoking-guix-describe