gnome-control-center removes XKBMODEL and XKBOPTIONS from /etc/default/keyboard

[Felipe Sateler]

On 19 February 2016 at 13:10, Andreas Henriksson <andreas at fatal.se> wrote:
> Hello Anton Zinoviev.
>
> Not sure about the cause or have any real solution, just adding some
> additional information below (and CCing systemd maintainers).
>
> On Fri, Feb 19, 2016 at 03:54:24PM +0300, Anton Zinoviev wrote:
>> clone 751955 -1
>> reassign -1 gnome-control-center
>> retitle -1 Removes XKBMODEL and XKBOPTIONS from /etc/default/keyboard
>> severity -1 serious
>> thanks
>>
>> Hello,
>>
>> I can confirm that gnome-control-center removes XKBMODEL from
>> /etc/default/keyboard.  Steps to reproduce:
>>
>> 1. $ grep -q XKBMODEL /etc/default/keyboard && echo fine || echo broken
>>    -> fine
>> 2. $ gnome-control-center
>> 3. Go to "Region & Language"
>> 4. Go to "Login Screen"
>> 5. In the "Input Sources" section add some random keyboard layout
>> 6. $ grep -q XKBMODEL /etc/default/keyboard && echo fine || echo broken
>>    -> broken
>>
>> The test is done on a regular Jessie system.  The version of gnome-control-center
>> is 1:3.14.2-3.
>
> Thanks for the testcase. The gnome-control-center program only calls out to
> "localed" via dbus. In Debian it is patched with the following patch:
>
> http://sources.debian.net/src/systemd/215-17%2Bdeb8u3/debian/patches/Update-localed-to-use-the-Debian-config-files.patch/#L114
>
> (And as you can see on that particular line XKBMODEL is parsed. Not sure
> what resets it.)

Line 178 does when it is empty:

http://sources.debian.net/src/systemd/215-17%2Bdeb8u3/debian/patches/Update-localed-to-use-the-Debian-config-files.patch/#L177

Not sure why though.

-- 

Saludos,
Felipe Sateler