Subject: SDDM does not do the equivalent of 'login shell --login', unlike other login managers

From: Maxime Devos <[email-masked]>
Date: Fri, 22 Jul 2022 13:00:20 +0200

On 22-07-2022 12:44, Maxime Devos wrote:
>
> On 22-07-2022 12:24, Maxime Devos wrote:
>> retitle 56661 SDDM does not do the equivalent of 'login shell 
>> --login', unlike other login managers
>> thanks
>>
>> A digged a little, and found  that:
>>
>> For GDM, things work, for SDDM, they don't.
>>
>> There is a 'xinitrc' procedure in gnu/services/xorg.scm that 
>> generates a configuration file that has a fallback .xsession that 
>> does a --login. This is used by gdm-wayland-session-wrapper, 
>> <gdm-configuration> and slim-shepherd-service.  However, nothing 
>> similar appears to be done for SDDM.  So it appears that the SDDM 
>> service needs to be tweaked to use xinitrc or such.
>
> It appears that SDDM supports xinitrc files, but it looks for them 
> (see data/scripts/Xsession) in $HOME/.xsessionrc and 
> /etc/X11/xinit/xinitrc.d, which do not exist in Guix. There is no 
> option for overriding the xinitrc.  However, it is possible to 
> override the Xsession script used, so we can give SDDM a modified 
> Xsession script that uses Guix' xinitrc. I'll give that a try.
>
Actually, I'll be doing other things first, but for anyone interested, 
this sounds like a likely solution to me.

Greetings,
Maxime.