From 48b6de4acac01f672700ff127638131f4aa28a52 Mon Sep 17 00:00:00 2001
From: Liam McLoughlin <hexxeh@hexxeh.net>
Date: Sat, 21 Apr 2012 14:21:53 +0100
Subject: [PATCH] Add check for root

---
 rpi-update | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rpi-update b/rpi-update
index 47f4b88..a129822 100755
--- a/rpi-update
+++ b/rpi-update
@@ -6,6 +6,12 @@ FW_RAM=${1:-224}
 FW_GPU=$((256-FW_RAM))
 
 echo "Raspberry Pi firmware updater by Hexxeh"
+
+if [[ $EUID -ne 0 ]]; then
+	echo "This tool must be run as root" 1>&2
+	exit 1
+fi
+
 echo "Using memory split of ${FW_RAM}MB/${FW_GPU}MB"
 
 GITCMD="git --git-dir=${FW_PATH}/.git --work-tree=${FW_PATH}"