bail from update_system.sh unless we're root

diff --git a/update_system.sh b/update_system.sh
index 39e7862a6253da524f308eebf7836dfed99ac57d..a5e64f9a79abab121e626d8cfc0738a294e898a4 100755 (executable)
--- a/update_system.sh
+++ b/update_system.sh
@@ -8,6 +8,7 @@ print_and_run() {
 }
 
 print_and_run pacman -Syu
+(( "$UID" )) && exit 1
 print_and_run pacdiff -f -o
 cd
 print_and_run bash