1 files changed, 13 insertions, 0 deletions
diff --git a/lib/common.sh b/lib/common.sh
index c9ff1b8..b885080 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -228,3 +228,16 @@ find_cached_package() {
 			return 1
 	esac
 }
+
+##
+#  usage : check_root ("$0" "$@")
+##
+check_root() {
+	(( EUID == 0 )) && return
+	if type -P sudo >/dev/null; then
+		exec sudo -- "$@"
+	else
+		exec su root -c "$(printf '%q' "$@")"
+	fi
+	die 'This script must be run as root.'
+}