dbus-run-session output.

[Thiago Macieira]

Em segunda-feira, 10 de abril de 2017, às 04:37:18 PDT, Simon McVittie 
escreveu:
> > $ echo $DBUS_SESSION_BUS_ADDRESS
> > unix:path=/run/user/1000/bus
> > $ emacs
> > Activating service name='org.gnome.GConf'
> > Successfully activated service 'org.gnome.GConf'
> 
> So the issue here seems to be that the emacs launcher is second-guessing
> how dbus-launch works:
> https://build.opensuse.org/package/view_file/openSUSE:Factory/emacs/emacs.sh
> ?expand=1 and preferring to use dbus-run-session if both dbus-launch and
> dbus-run-session are available.

My guess is that it does that after getting screen-inherited invalid 
DBUS_SESSION_BUS_ADDRESS variables.

> > It seems the problem is that the session bus launched by whatever the
> > distro uses did not fill in ~/.dbus/session-bus/$MACHINEID-0.
> 
> Correct, the systemd user unit does not fill in ~/.dbus/session-bus.
> 
> I would really prefer not to keep that mechanism forever - we have already
> been asked to stop putting this "autolaunch crap" in the home directory
> <https://bugs.freedesktop.org/show_bug.cgi?id=35887>. I had hoped that
> the user-session service (which is already opt-in, so openSUSE's dbus
> maintainer should hopefully have evaluated its impact before opting in)
> was an opportunity to draw a line and get away from those historical
> oddities.

The file is the only way to get session bus information from regular scripts. I 
use them myself in an NM-launched script that changes the proxy information 
when connecting to different networks.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel Open Source Technology Center