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launcher: Explicitly look up object path for seat

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If mutter is running as a systemd user service, then we cannot use the
magic "self" session for the ID lookup. For now we need to lookup the ID
explicitly. Eventually we can change to use the magic "auto" paths for
both the session and seat, but that will require systemd v243.

See also https://github.com/systemd/systemd/pull/12424#issuecomment-487962314

https://gitlab.gnome.org/GNOME/mutter/merge_requests/571
This commit is contained in:
Benjamin Berg 2019-05-10 19:29:47 +02:00
parent fecc57ddf0
commit 52945f383d
1 changed files with 5 additions and 3 deletions
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8
src/backends/native/meta-launcher.c
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@ -251,13 +251,15 @@ get_session_proxy (GCancellable *cancellable,
}
static Login1Seat *
get_seat_proxy (GCancellable *cancellable,
get_seat_proxy (gchar *seat_id,
GCancellable *cancellable,
GError **error)
{
g_autofree char *seat_proxy_path = get_escaped_dbus_path ("/org/freedesktop/login1/seat", seat_id);
Login1Seat *seat = login1_seat_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
"org.freedesktop.login1",
"/org/freedesktop/login1/seat/self",
seat_proxy_path,
cancellable, error);
if (!seat)
g_prefix_error(error, "Could not get seat proxy: ");
@ -511,7 +513,7 @@ meta_launcher_new (GError **error)
if (!seat_id)
goto fail;
seat_proxy = get_seat_proxy (NULL, error);
seat_proxy = get_seat_proxy (seat_id, NULL, error);
if (!seat_proxy)
goto fail;