From a17b87f2bedbd5acc18419a6c471bfd797d2b045 Mon Sep 17 00:00:00 2001
From: Aleksey Izmailov <izmailoff@users.noreply.github.com>
Date: Sun, 14 Feb 2016 13:09:02 +0800
Subject: [PATCH] Fix fork bomb if user is not root, don't try to sudo exec it,
 just fail.

---
 writeimage.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/writeimage.sh b/writeimage.sh
index 8cdc4db02f..c77327ba84 100755
--- a/writeimage.sh
+++ b/writeimage.sh
@@ -16,7 +16,7 @@ if [ -z "$1" ]; then
     usage
 fi
 
-test "root" != "$USER" && exec sudo $0 "$@"
+if [[ $(id -u) -ne 0 ]]; then echo "Please run as root"; exit 1; fi
 
 function msg() {
     echo ":: $1"