GNU bug report logs - #35064
gnome-desktop-service-type does not work

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Luther Thompson <lutheroto <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: gnome-desktop-service-type does not work
Date: Sun, 31 Mar 2019 18:53:26 -0400

When doing a reconfigure, I got this message:

/home/luther/config.scm:60:10: warning: 'gnome-desktop-service' is deprecated, use 'gnome-desktop-service-type' instead

So I changed (gnome-desktop-service) to (gnome-desktop-service-type) and got
this error:

guix system: error: failed to load 'config.scm':
/home/luther/config.scm:60:10: Wrong type to apply: #<service-type gnome-desktop 1bc6280>

That told me that gnome-desktop-service-type is not a function, so I removed
the parentheses and got this error:

---BEGIN---
Backtrace:
          13 (primitive-load "/home/luther/.config/guix/current/bin/…")
In guix/ui.scm:
  1660:12 12 (run-guix-command _ . _)
In ice-9/boot-9.scm:
    829:9 11 (catch _ _ #<procedure 7f49cda519e8 at guix/ui.scm:624…> …)
    829:9 10 (catch _ _ #<procedure 7f49cda51a00 at guix/ui.scm:750…> …)
In guix/scripts/system.scm:
   1301:8  9 (_)
In guix/status.scm:
    810:4  8 (call-with-status-report _ _)
In guix/scripts/system.scm:
   1162:6  7 (process-action _ _ _)
In guix/store.scm:
  1737:24  6 (run-with-store _ _ #:guile-for-build _ #:system _ # _)
In guix/scripts/system.scm:
  1175:13  5 (_ _)
   882:18  4 (perform-action reconfigure #<<operating-system> kerne…> …)
In gnu/system.scm:
   842:19  3 (operating-system-derivation _)
In gnu/services.scm:
    737:6  2 (instantiate-missing-services _)
In srfi/srfi-1.scm:
   466:18  1 (fold #<procedure 7f49c2c19d68 at gnu/services.scm:737…> …)
In gnu/services.scm:
   738:27  0 (_ _ _)

gnu/services.scm:738:27: In procedure service-kind: Wrong type argument: #<service-type gnome-desktop bb1960>
---END---

The manual at System Configuration > Services > Desktop Services says both that
gnome-desktop-service-type is a procedure and a variable of type
gnome-desktop-configuration.

Luther

Message #10 received at 35064-done <at> debbugs.gnu.org (full text, mbox):

From: Jack Hill <jackhill <at> jackhill.us>
To: Luther Thompson <lutheroto <at> gmail.com>
Cc: 35064-done <at> debbugs.gnu.org
Subject: Re: bug#35064: gnome-desktop-service-type does not work
Date: Sun, 31 Mar 2019 20:35:42 -0400 (EDT)

On Sun, 31 Mar 2019, Luther Thompson wrote:

> When doing a reconfigure, I got this message:
>
> /home/luther/config.scm:60:10: warning: 'gnome-desktop-service' is deprecated, use 'gnome-desktop-service-type' instead
>
> So I changed (gnome-desktop-service) to (gnome-desktop-service-type) and got
> this error:
>
> guix system: error: failed to load 'config.scm':
> /home/luther/config.scm:60:10: Wrong type to apply: #<service-type gnome-desktop 1bc6280>

Luther,

What you need here is (service gnome-desktop-service-type). The service 
function will turn the service-type into a service object which is what 
you need in this context.

The documentation for service can be found in the manual 
<https://www.gnu.org/software/guix/manual/en/html_node/Service-Reference.html#Service-Reference>. 
In particular, note that in addition to the service-type service can take 
a value (often the configuration for the service). Since 
gnome-desktop-service-type has a default value, the value can be omitted.

I've closed the bug, since I think this should work when you replace 
(gnome-desktop-service-type) with (service gnome-desktop-service-type), 
but please let us know if you have more questions.

Best,
Jack

Message #13 received at 35064-done <at> debbugs.gnu.org (full text, mbox):

From: Luther Thompson <lutheroto <at> gmail.com>
To: Jack Hill <jackhill <at> jackhill.us>
Cc: 35064-done <at> debbugs.gnu.org
Subject: Re: bug#35064: gnome-desktop-service-type does not work
Date: Sun, 31 Mar 2019 22:17:08 -0400

On Sun, 31 Mar 2019 20:35:42 -0400 (EDT)
Jack Hill <jackhill <at> jackhill.us> wrote:

> On Sun, 31 Mar 2019, Luther Thompson wrote:
> 
> > When doing a reconfigure, I got this message:
> >
> > /home/luther/config.scm:60:10: warning: 'gnome-desktop-service' is
> > deprecated, use 'gnome-desktop-service-type' instead
> >
> > So I changed (gnome-desktop-service) to
> > (gnome-desktop-service-type) and got this error:
> >
> > guix system: error: failed to load 'config.scm':
> > /home/luther/config.scm:60:10: Wrong type to apply: #<service-type
> > gnome-desktop 1bc6280>  
> 
> Luther,
> 
> What you need here is (service gnome-desktop-service-type). The
> service function will turn the service-type into a service object
> which is what you need in this context.
> 
> The documentation for service can be found in the manual 
> <https://www.gnu.org/software/guix/manual/en/html_node/Service-Reference.html#Service-Reference>. 
> In particular, note that in addition to the service-type service can
> take a value (often the configuration for the service). Since 
> gnome-desktop-service-type has a default value, the value can be
> omitted.

Thank you. That seems to work so far.

Luther

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