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Re: Package variation

From: Brett Gilio
Subject: Re: Package variation
Date: Tue, 23 Oct 2018 13:04:05 -0500
User-agent: mu4e 1.0; emacs 26.1

Efraim Flashner writes:

> On Tue, Oct 23, 2018 at 01:51:21AM -0500, Brett Gilio wrote:
>> Hi all,
>> I am trying to customize my the default gnome-package which gets
>> installed with the gnome-desktop-service.
>> My strategy here has been to define a gnome-custom package in my
>> config.scm which inherits the gnome package, and remove the dependencies
>> that I do not use (such as gedit or nautilus).
>> However, I am not successful. Below is my config.scm, does anybody have
>> any ideas?
>> --
>> ;; This is an operating system configuration template
>> ;; for a "desktop" setup with GNOME and Xfce where the
>> ;; root partition is encrypted with LUKS.
>> (use-modules (gnu) (gnu system nss) (guix packages))
>> (use-service-modules desktop)
>> (use-package-modules certs gnome)
>> (define-public gnome-custom
>>   (package (inherit gnome)
>>     (name "gnome-custom")
>>     (inputs (alist-delete "nautilus" (package-inputs gnome)))))
>> (define %my-gnome
>>   (modify-services %desktop-services
>>                 (gnome-desktop-service-type config =>
>>                                             (gnome-desktop-configuration
>>                                                            (gnome-package 
>> gnome-custom)))))
> <snip>
>>   ;; Add GNOME and/or Xfce---we can choose at the log-in
>>   ;; screen with F1.  Use the "desktop" services, which
>>   ;; include the X11 log-in service, networking with
>>   ;; NetworkManager, and more.
>>   (services (cons* (gnome-desktop-service)
>>                    %my-gnome))
> Here you still have the default gnome-desktop-service in the list, and
> I'd assume you'd have a 50-50 chance of getting the right one when
> logging in. I would change it to (untested!):
>     (services (cons* (service gnome-desktop-service-type
>                               config =>
>                               (gnome-desktop-configuration
>                                 (inherit config)
>                                 (gnome-package gnome-custom)))
>                      %desktop-services))
> and just remove %my-gnome from above.

Hi Efraim,

What you said makes sense, and I think we are on the right track
here. This is what I have now.

(define-public gnome-custom
  (package (inherit gnome)
    (name "gnome-custom")
    (inputs (alist-delete "nautilus" (package-inputs gnome)))))

;; .......

(services (cons* (service gnome-desktop-service-type
                            config =>
                             (inherit config)
                             (gnome-package gnome-custom)))

However, it doesn't seem to recognize the gnome-desktop-service-type,
which I know is coming from the desktop service. Perhaps we are defining
it incorrectly? The documentation on the configuration system seems to
suggest we use the gnome-desktop-service and then place the
gnome-desktop-service, and then inherit and set the gnome-custom
package. But I could be misreading it. Regardless, I am still
unsuccessful here.

Thank you for your time.

Brett M. Gilio
Free Software Foundation, Member |

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