[bug#31342] [PATCH 2/2] gnu: services: Add Enlightenment desktop service.

[Efraim Flashner]

On Mon, May 07, 2018 at 06:49:43PM +0200, Ludovic Courtès wrote:
> Efraim Flashner <address@hidden> skribis:
> 
> > * gnu/services/desktop.scm (<enlightenment-desktop-configuration>,
> > enlightenment-desktop-service-type): New variables.
> > (enlightenment-desktop-service): New public variable.
> > * doc/guix.texi (Desktop Services): Document the service.
> 
> In guix.texi, could you document ‘enlightenment-desktop-service-type’
> and ‘enlightenment-desktop-configuration’?
> 
> [...]
> 
> > +(define-record-type* <enlightenment-desktop-configuration>
> > +  enlightenment-desktop-configuration
> > +  make-enlightenment-desktop-configuration
> > +  enlightenment-desktop-configuration
> > +  (enlightenment enlightenment-package (default enlightenment)))
> 
> Actually, unless you expect more configuration elements to be added to
> this record eventually, you might be better off without a record and
> simply using the package as the value for that service.
> 
> WDYT?
> 
> > +(define (enlightenment-setuid-programs enlightenment-desktop-configuration)
> > +  (match-record enlightenment-desktop-configuration
> > +                <enlightenment-desktop-configuration>
> > +                (enlightenment)
> > +    (list (file-append enlightenment
> > +                       "/lib/enlightenment/utils/enlightenment_sys")
> > +          (file-append enlightenment
> > +                       "/lib/enlightenment/utils/enlightenment_backlight")
> > +          ;; TODO: Move this binary to a screen-locker service.
> > +          (file-append enlightenment
> > +                       "/lib/enlightenment/utils/enlightenment_ckpasswd")
> 
> Perhaps enlightenment_ckpasswd needs a PAM entry as well, like
> ‘screen-locker-service-type’ does?
> 

I'm not sure, enlightenment's screen locker code was refactored in
0.22.2 so that it would behave identically on Linux and BSD, and I'm not
sure that the BSDs use PAM, and it seems to with as-is.

> > +          (file-append enlightenment
> > +                       (string-append
> > +                         "/lib/enlightenment/modules/cpufreq/linux-gnu-"
> > +                         (string-drop-right (%current-system) 6) ; drop 
> > '-linux'
> 
> Rather:
> 
>   (match (string-tokenize (%current-system) (char-set-complement (char-set 
> #\-)))
>     ((arch "linux") (string-append "linux-gnu-" arch))
>     ((arch "gnu")   (string-append "gnu-" arch)))
> 
> > +(define* (enlightenment-desktop-service
> > +           #:key (config (enlightenment-desktop-configuration)))
> > +  "Return a service that adds the @code{enlightenment} package to the 
> > system
> > +profile, and extends dbus with the ability for @code{efl} to generate
> > +thumbnails and makes setuid the programs which enlightenment expects to 
> > have
> > +their setuid bit set."
> > +  (service enlightenment-desktop-service-type config))
> 
> Not needed!  :-)
> 
> Thank you,
> Ludo’.

I looked at the xfce service especially, and it actually has the same
fields and declarations as enlightenment. I'd like to leave the option
in place to add '(enlightenment-desktop-service)' to an OS-config since
it is then identical to the other desktop services we have.

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0001-gnu-services-Add-Enlightenment-desktop-service.patch
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