From 06638fa4c14574f0f85ce48a1a19467282ea87e3 Mon Sep 17 00:00:00 2001
From: Xueshan Feng <xueshan.feng@gmail.com>
Date: Thu, 8 Aug 2019 11:49:56 -0700
Subject: [PATCH] Bailout when there is not enough input arguments

Currently the code carries on even missing required arguments.
---
 run_in_docker.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/run_in_docker.sh b/run_in_docker.sh
index b3bdd49887..9397f1a71e 100755
--- a/run_in_docker.sh
+++ b/run_in_docker.sh
@@ -15,8 +15,9 @@
 #!/bin/bash
 set -e
 
-if [ $# -lt 3 ];
-    then echo "Usage: run_in_docker.sh <path to Dockerfile> <context directory> <image tag> <cache>"
+if [ $# -lt 3 ]; then 
+    echo "Usage: run_in_docker.sh <path to Dockerfile> <context directory> <image tag> <cache>"
+    exit 1
 fi
 
 dockerfile=$1