From mboxrd@z Thu Jan  1 00:00:00 1970
From: Adam Mazurkiewicz <trzczy@gmail.com>
Subject: Re: Initial variables value?
Date: Wed, 22 May 2019 15:07:17 +0200
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To: help-guix@gnu.org

niedz., 19 maj 2019 o 16:45 Ludovic Court=C3=A8s <ludo@gnu.org> napisa=C5=
=82(a):
>
> Hi,
>
> Julien Lepiller <julien@lepiller.eu> skribis:
>
> > There are different ways to find these values. You can grep through the=
 code from https://git.savannah.gnu.org/git/guix.git (https://git.savannah.=
gnu.org/cgit/guix.git for the web version). You can also run `guix repl` an=
d type the variable name (you might need to import some modules before, I d=
idn't check). Most of the time however, these variables are explained in th=
e manual.
> >
> > For %desktop-services, the actual definition is around here: https://gi=
t.savannah.gnu.org/cgit/guix.git/tree/gnu/services/desktop.scm#n1047
> >
> > For default values of records, you'll have look at the code or the manu=
al. Services are defined in gnu/services/*.scm.
>
> If you use Emacs and Emacs-Guix, you can also run:
>
>   M-x guix-default-services
Yes, it worked, thanks.
>
> which is really handy.
>
> Another trick is to run:
>
>   guix system extension-graph /path/to/your/config.scm | dot -Tpdf > t.pd=
f
>   evince t.pdf
>
> to view the =E2=80=9Cservice extension graph=E2=80=9D for your OS configu=
ration.  That
> should give you an idea of what=E2=80=99s included and how these bits int=
eract
> with one another.
Good advise, thanks a lot.
>
> HTH!
>
> Ludo=E2=80=99.
Regards,
Adam