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From 51949dd2b944604742406a7464eb945cb5b610e9 Mon Sep 17 00:00:00 2001
From: Benjamin Berg <bberg@redhat.com>
Date: Mon, 15 Nov 2021 14:56:14 +0100
Subject: [PATCH 1/2] main: Lower fallback warning when running in GDM

It is currently expected for the fallback to happen. So hide the errors,
but still log a single message to inform users about it.
---
 gnome-session/main.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/gnome-session/main.c b/gnome-session/main.c
index 443bc045..45ec6597 100644
--- a/gnome-session/main.c
+++ b/gnome-session/main.c
@@ -512,100 +512,103 @@ main (int argc, char **argv)
                 exit (1);
         }
 
         env_override_autostart_dirs = g_getenv ("GNOME_SESSION_AUTOSTART_DIR");
 
         if (env_override_autostart_dirs != NULL && env_override_autostart_dirs[0] != '\0') {
                 env_override_autostart_dirs_v = g_strsplit (env_override_autostart_dirs, ":", 0);
                 gsm_util_set_autostart_dirs (env_override_autostart_dirs_v);
         } else {
                 gsm_util_set_autostart_dirs (override_autostart_dirs);
 
                 /* Export the override autostart dirs parameter to the environment
                  * in case we are running on systemd. */
                 if (override_autostart_dirs) {
                         g_autofree char *autostart_dirs = NULL;
                         autostart_dirs = g_strjoinv (":", override_autostart_dirs);
                         g_setenv ("GNOME_SESSION_AUTOSTART_DIR", autostart_dirs, TRUE);
                 }
         }
 
         gsm_util_export_activation_environment (&error);
         if (error) {
                 g_warning ("Failed to upload environment to DBus: %s", error->message);
                 g_clear_error (&error);
         }
 
         session_name = opt_session_name;
 
 #ifdef HAVE_SYSTEMD
         gsm_util_export_user_environment (&error);
-        if (error) {
+        if (error && !g_getenv ("RUNNING_UNDER_GDM")) {
                 g_warning ("Failed to upload environment to systemd: %s", error->message);
                 g_clear_error (&error);
         }
 #endif
 
 #ifdef ENABLE_SYSTEMD_SESSION
         if (use_systemd && !systemd_service) {
                 g_autofree gchar *gnome_session_target;
                 const gchar *session_type;
 
                 session_type = g_getenv ("XDG_SESSION_TYPE");
 
                 /* We really need to resolve the session name at this point,
                  * which requires talking to GSettings internally. */
                 if (IS_STRING_EMPTY (session_name)) {
                         session_name = _gsm_manager_get_default_session (NULL);
                 }
 
                 /* Reset all failed units; we are going to start a lof ot things and
                  * really do not want to run into errors because units have failed
                  * in a previous session
                  */
                 gsm_util_systemd_reset_failed (&error);
-                if (error) {
+                if (error && !g_getenv ("RUNNING_UNDER_GDM")) {
                         g_warning ("Failed to reset failed state of units: %s", error->message);
                         g_clear_error (&error);
                 }
 
                 /* We don't escape the name (i.e. we leave any '-' intact). */
                 gnome_session_target = g_strdup_printf ("gnome-session-%s@%s.target", session_type, session_name);
                 if (gsm_util_start_systemd_unit (gnome_session_target, "fail", &error)) {
                         /* We started the unit, open fifo and sleep forever. */
                         systemd_leader_run ();
                         exit(0);
                 }
 
                 /* We could not start the unit, fall back. */
-                 g_warning ("Falling back to non-systemd startup procedure due to error: %s", error->message);
-                 g_clear_error (&error);
+                if (g_getenv ("RUNNING_UNDER_GDM"))
+                        g_message ("Falling back to non-systemd startup procedure. This is expected to happen for GDM sessions.");
+                else
+                        g_warning ("Falling back to non-systemd startup procedure due to error: %s", error->message);
+                g_clear_error (&error);
         }
 #endif /* ENABLE_SYSTEMD_SESSION */
 
         {
                 gchar *ibus_path;
 
                 ibus_path = g_find_program_in_path("ibus-daemon");
 
                 if (ibus_path) {
                         const gchar *p;
                         p = g_getenv ("QT_IM_MODULE");
                         if (!p || !*p)
                                 p = "ibus";
                         gsm_util_setenv ("QT_IM_MODULE", p);
                         p = g_getenv ("XMODIFIERS");
                         if (!p || !*p)
                                 p = "@im=ibus";
                         gsm_util_setenv ("XMODIFIERS", p);
                 }
 
                 g_free (ibus_path);
         }
 
         /* We want to use the GNOME menus which has the designed categories.
          */
         gsm_util_setenv ("XDG_MENU_PREFIX", "gnome-");
 
         /* Talk to logind before acquiring a name, since it does synchronous
          * calls at initialization time that invoke a main loop and if we
          * already owned a name, then we would service too early during
-- 
2.35.1