adjusting systemd.install warning

systemd/systemd.install

@@ -18,14 +18,16 @@ post_upgrade() {
 
   journalctl --update-catalog
   
-  echo -e '\e[31;46m WARNING'
-  echo -e '\e[31;46m Systemd 197 has moved to persistent network naming, for most users this will have' 
-  echo -e '\e[31;46m no effect.  To check what the new name for your network device will be, run:'
-  echo -e '\e[31;46m hwinfo --network, and look for: Device File: xxxxx, were xxxx is your device.'
-  echo -e '\e[31;46m This will be used in /usr/lib/udev/rules.d/80-net-name-slot.rules '
-  echo -e '\e[31;46m If you use dhcpcd instead of networkmanager to connect, re-enable the service before rebooting'
-  echo -e '\e[31;46m Configuration files like conky.conf will need the new naming scheme too'
-  echo -e '\e[31;46m http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames \e[0m'
+  if [ "$(pacman -Q systemd | cut -d " " -f2 | cut -d "-" -f1)" = "196" ] ; then
+    echo -e '\e[31;46m WARNING'
+    echo -e '\e[31;46m Systemd 197 has moved to persistent network naming, for most users this will have' 
+    echo -e '\e[31;46m no effect.  To check what the new name for your network device will be, run:'
+    echo -e '\e[31;46m hwinfo --network, and look for: Device File: xxxxx, were xxxx is your device.'
+    echo -e '\e[31;46m This will be used in /usr/lib/udev/rules.d/80-net-name-slot.rules '
+    echo -e '\e[31;46m If you use dhcpcd instead of networkmanager to connect, re-enable the service before rebooting'
+    echo -e '\e[31;46m Configuration files like conky.conf will need the new naming scheme too'
+    echo -e '\e[31;46m http://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames \e[0m'
+  fi
   
   if sd_booted; then
     systemctl --system daemon-reexec