1 files changed, 2 insertions, 0 deletions
diff --git a/tools/merge b/tools/merge
index 220ef03..b5a50d5 100755
--- a/tools/merge
+++ b/tools/merge
@@ -1,5 +1,7 @@
 #! /bin/sh
 
+set -o errexit
+
 BINDIR=$(dirname $0)
 
 $BINDIR/merge_fetch.py "$@"