mkosi: make sure we fail on error

diff --git a/mkosi.build b/mkosi.build
index b3d757afb1d12a83cf2fe78a30095faeffb6e7a8..09d835d45b40198d6eb4b8973721e8212b076349 100755 (executable)
--- a/mkosi.build
+++ b/mkosi.build
@@ -1,4 +1,4 @@
-#!/bin/sh -x
+#!/bin/sh -ex
 
 # This file is part of systemd.
 #