On Sat, May 23, 2020 at 08:18:55PM +0800, Paul Wise wrote: > On Sat, 2020-05-23 at 13:07 +0100, Colin Watson wrote: > > What do you think? > > I don't think that will work because neither of the DISPLAY nor > WAYLAND_DISPLAY environment variables are set for user services since > they are user services *not* session services and systemd does not > support session services.
OK, fair point. > You could of course check the session type, but I'm not sure what sets > that environment variable and if it is present for all Wayland > compositors. It is also a per-session variable rather than per-user > variable. So I think my idea of checking if Xsession.options exists is > best after all. My concern about that is that it's about what's installed, not what's active/running for that particular user. It may not matter in your case but I'm sure cutting that corner is going to be wrong for somebody. -- Colin Watson (he/him) [cjwat...@debian.org]
