From: Leo Prikler <leo.prikler@student.tugraz.at>
To: Joshua Branson <jbranso@dismail.de>
Cc: 48974@debbugs.gnu.org
Subject: bug#48974: A possible shepherd bug (it's very minor)
Date: Sat, 03 Jul 2021 08:41:08 +0200 [thread overview]
Message-ID: <deb1742076cc32ed4113dcae8a1a35a83797c2a9.camel@student.tugraz.at> (raw)
In-Reply-To: <87y2ao728t.fsf@dismail.de>
Hi,
Am Freitag, den 02.07.2021, 18:57 -0400 schrieb Joshua Branson:
> Leo Prikler <leo.prikler@student.tugraz.at> writes:
>
> > Am Freitag, den 25.06.2021, 14:06 -0400 schrieb Joshua Branson:
> > > Leo Prikler <leo.prikler@student.tugraz.at> writes:
> > >
> > > > Hi,
> > > >
> > > > Am Freitag, den 25.06.2021, 05:31 -0400 schrieb Joshua Branson:
> > > > > Leo Prikler <leo.prikler@student.tugraz.at> writes:
> > >
> > > Thanks again! The current code doesn't quite work for me
> > > yet. I'll
> > > try using match-lambda to define it. I'll post again when I have
> > > a
> > > free moment. When i get it working, I'll send a patch to the
> > > manual
> > > via guix-patches and CC you. Is that ok? Or would you rather
> > > that
> > > documentation be in the cookbook?
> > Did I make a mistake or does it do the job only in a somewhat
> > inelegant
> > way? I'm perfectly fine with the latter as I'm not the one using
> > the
> > code :P
>
> I've got some code now that works!
>
> #+BEGIN_SRC scheme
> (define (auto-login-to-tty tty user config)
> (if (string=? tty (mingetty-configuration-tty config))
> (mingetty-configuration
> (inherit config)
> (auto-login user))
Why do you need to inherit the config, when it doesn't change? Seems
like a pointless allocation to me.
> (mingetty-configuration
> (inherit config))))
>
> ;; allegedly %desktop-services now contains network-manager-
> applet...? Can I remove that?
Not with modify-services, but there's some filter example in the manual
as well.
> (define %my-desktop-services
> (modify-services %desktop-services ;;end of remove services
> (mingetty-service-type config =>
> (auto-login-to-tty "3" "joshua" config))))
>
> #+END_SRC
>
> > I think the cookbook is a better destination for stuff like this.
>
> I agree, but we should also probably fix the manual:
>
> 10.1 Using the Configuration System
> ===================================
>
> System Services
>
> For example, suppose you want to modify ‘guix-daemon’ and Mingetty
> (the console log-in) in the ‘%base-services’ list (*note
> ‘%base-services’: Base Services.). To do that, you can write the
> following in your operating system declaration:
>
>
> (define %my-services
> ;; My very own list of services.
> (modify-services %base-services
> (guix-service-type config =>
> (guix-configuration
> (inherit config)
> ;; Fetch substitutes from example.org.
> (substitute-urls
> (list "https://example.org/guix"
> "https://ci.guix.gnu.org"))))
> ;; it looks like the manual is telling you to set up
> ;; auto login on ALL ttys.
> (mingetty-service-type config =>
> (mingetty-configuration
> (inherit config)
> ;; Automatially log in as "guest".
> (auto-login "guest")))))
>
> (operating-system
> ;; ...
> (services %my-services))
>
> How about I delete that section in the manual about automatic login
> and
> instead add this to the cookbook?
No. Read on, the manual clearly states that this affects *all* TTYs.
Presumably the guest user only has access to su and logout, maybe guix,
but in any case they ought not to have access to anyone's $HOME, not
even their own.
The thing we've coded up here is a more involved process to solve a
particular problem rather than a general demo of what services can do
and thus belongs to the cookbook.
Regards,
Leo
next prev parent reply other threads:[~2021-07-03 6:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-12 13:26 bug#48974: A possible shepherd bug (it's very minor) Joshua Branson via Bug reports for GNU Guix
2021-06-12 19:39 ` Leo Prikler
2021-06-12 20:09 ` jbranso--- via Bug reports for GNU Guix
2021-06-12 21:13 ` Leo Prikler
2021-06-25 9:31 ` Joshua Branson via Bug reports for GNU Guix
2021-06-25 9:56 ` Leo Prikler
2021-06-25 18:06 ` Joshua Branson via Bug reports for GNU Guix
2021-06-25 18:28 ` Leo Prikler
2021-07-02 22:57 ` Joshua Branson via Bug reports for GNU Guix
2021-07-03 6:41 ` Leo Prikler [this message]
2021-07-03 7:37 ` pelzflorian (Florian Pelz)
2021-07-05 23:59 ` Joshua Branson via Bug reports for GNU Guix
2021-06-12 23:34 ` jbranso--- via Bug reports for GNU Guix
2021-06-13 7:48 ` Leo Prikler
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