bug#48538: D-Bus services do not work on foreign distributions/non-user profiles

[zimoun]

Hi Maxim,


On Thu, 20 May 2021 at 13:18, Maxim Cournoyer <maxim.cournoyer@gmail.com> wrote:

> For this particular instance, a workaround is to run jami via the
> dbus-run-session utility, which launches the client in an ad-hoc d-bus
> session which knows about the dring D-Bus service (through the
> XDG_DATA_DIRS variable set by glib's search path).
>
> $ guix environment --pure --ad-hoc jami-gnome dbus glib \
>      -- dbus-run-session jami-gnome
>
> The glib package is added for its XDG_DATA_DIRS search path.  It works
> because the client doesn't really care about being able to talk to
> anything else but its daemon over D-Bus.

On Debian, using 014421e, I get:

--8<---------------cut here---------------start------------->8---
$ guix environment --pure --ad-hoc jami-gnome dbus glib \
       -- dbus-run-session jami-gnome
** Message: 20:50:31.130: Jami GNOME client version: development
** Message: 20:50:31.130: git ref: unknown
dbus-daemon[24024]: [session uid=1001 pid=24024] Activating service 
name='cx.ring.Ring' requested by ':1.1' (uid=1001 pid=24025 comm="jami-gnome ")
Jami Daemon 9.10.0, by Savoir-faire Linux 2004-2019
https://jami.net/
[Video support enabled]
[Plugins support enabled]

dbus-daemon[24024]: [session uid=1001 pid=24024] Successfully activated service 
'cx.ring.Ring'
20:50:31.556         os_core_unix.c !pjlib 2.10 for POSIX initialized
ALSA lib conf.c:3725:(snd_config_hooks_call) Cannot open shared library 
libasound_module_conf_pulse.so 
(/gnu/store/z1iyvbvnkd7zkjxsx157n6qx2iwzxq7p-alsa-lib-1.2.4/lib/alsa-lib/libasound_module_conf_pulse.so:
 cannot open shared object file: No such file or directory)
ALSA lib control.c:1471:(snd_ctl_open_noupdate) Invalid CTL hw:0
No accounts to migrate

(jami-gnome:24025): libnotify-WARNING **: 20:50:31.600: Failed to connect to 
proxy
QDBusMarshaller: type `VectorString' attempts to redefine basic D-BUS type 'as' 
(QStringList) (Did you forget to call beginStructure() ?)
QDBusMarshaller: type `MapStringVectorString' produces invalid D-BUS signature 
`a{s}' (Did you forget to call beginStructure() ?)
QDBusMarshaller: type `QMap<QString,MapStringVectorString>' produces invalid 
D-BUS signature `a{s}' (Did you forget to call beginStructure() ?)

(jami-gnome:24025): GLib-GIO-ERROR **: 20:50:31.711: Settings schema 
'org.gtk.Settings.FileChooser' is not installed
--8<---------------cut here---------------end--------------->8---

Well, it means I have some misconfigured about ALSA, right?


Cheers,
simon