From: "Maurizio Galli (MauG)" <maurizio.galli@gmail.com>
Date: Tue, 16 Jul 2019 16:32:04 +0800
Subject: [PATCH] Set  XAUTHLOCALHOSTNAME in systemd user session. Fixes Bug
 #15440

---
 scripts/xinitrc.in.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/xinitrc.in.in b/scripts/xinitrc.in.in
index 6562a117..975eaf3f 100755
--- a/scripts/xinitrc.in.in
+++ b/scripts/xinitrc.in.in
@@ -78,6 +78,11 @@ cat /dev/null $XRESOURCES | xrdb -merge -
 # load local modmap
 test -r $HOME/.Xmodmap && xmodmap $HOME/.Xmodmap
 
+# if XAUTHLOCALHOSTNAME is not set in systemd user session, starting of xfce4-notifyd, DISPLAY etc. will fail
+if systemctl --user list-jobs >/dev/null 2>&1; then # user session is running
+  dbus-update-activation-environment --systemd XAUTHLOCALHOSTNAME=$XAUTHLOCALHOSTNAME
+fi
+
 # check if we start xfce4-session with ck-launch-session. this is only
 # required for starting from a console, not a login manager
 if test "x$XFCE4_SESSION_WITH_CK" = "x1"; then