DisplayManagerRework: spin presets for DM

[Rex Dieter]

alekcejk at googlemail.com wrote:

> Rex Dieter wrote:
> 
>> OK,  so we have
>> https://fedoraproject.org/wiki/Features/DisplayManagerRework#How_To_Test
>> 
>> that tells one how to enable the display manager of your choice, via
>> systemctl enable --force xyzdm.service
>> 
>> But, how to handle upgrades? (or is this case already handled somehow?)
.
> This is marked as DONE:
> 
> 8. (Optionally) Patch systemd to parse /etc/sysconfig/desktop at upgrade
> time and generate a symlink from it that is stored in
> /etc/systemd/system/display-manager.service
> and ensures that the original display manager choice is kept.

Excellent

so now how exactly can spin maintainers implement
7 (Optionally) Ask the various spin maintainers to include their own preset 
files in case they want to override gdm...
as default DM, from step 6:
/usr/lib/systemd/system-preset/99-default.preset for gdm?

implementatation details would be appreciated.

-- rex