updated udev script

Author: markdhooper

udev/45drives_udev_rules.sh

@@ -11,8 +11,21 @@ SCRIPT_PATH="/usr/lib/udev/vdev_id_45drives"
 RULES_URL="https://scripts.45drives.com/udev/68-vdev.rules"
 SCRIPT_URL="https://scripts.45drives.com/udev/vdev_id_45drives"
 
+set -e
+
+euid=$(id -u)
+if [ $euid -ne 0 ]; then
+	echo -e '\nYou must be root to run this utility.\n'
+    exit 1
+fi
+
+echo "Downloading udev rules"
 curl -o "$RULES_PATH" "$RULES_URL"
+echo "Downloading udev script"
 curl -o "$SCRIPT_PATH" "$SCRIPT_URL"
-
+echo "Making script executable"
+chmod +x "$SCRIPT_PATH"
+echo "Reloading udev rules"
 udevadm control --reload-rules
+echo "Triggering udev rules"
 udevadm trigger