[gnome-session/benzea/disable-xsmp-on-systemd: 3/4] manager: Disable session saving on systemd managed sessions

[Benjamin Berg <bberg src gnome org>]

commit 8f86fe04d1e636ff306b26ce93596a1b74daaafc
Author: Benjamin Berg <bberg redhat com>
Date:   Fri Nov 22 15:04:02 2019 +0100

    manager: Disable session saving on systemd managed sessions
    
    Allowing this is problematic as gnome-session would try to restore XSMP
    clients that are already started using systemd, resuling in session
    failures.
    
    See: #41

 gnome-session/gsm-manager.c | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/gnome-session/gsm-manager.c b/gnome-session/gsm-manager.c
index d41bdcac..6839a02d 100644
--- a/gnome-session/gsm-manager.c
+++ b/gnome-session/gsm-manager.c
@@ -1910,6 +1910,11 @@ on_xsmp_client_register_confirmed (GsmXSMPClient *client,
 static gboolean
 auto_save_is_enabled (GsmManager *manager)
 {
+        /* Note that saving/restoring sessions is not really possible on systemd, as
+         * XSMP clients cannot be reliably mapped to .desktop files. */
+        if (manager->priv->systemd_managed)
+                return FALSE;
+
         return g_settings_get_boolean (manager->priv->settings, KEY_AUTOSAVE_ONE_SHOT)
             || g_settings_get_boolean (manager->priv->settings, KEY_AUTOSAVE);
 }