From fbbb3834f15b2520f0765fbbf014fc6e8be41d54 Mon Sep 17 00:00:00 2001
From: Wang Jian <61138589+hzjane@users.noreply.github.com>
Date: Wed, 7 Sep 2022 09:30:31 +0800
Subject: [PATCH] [PPML] Fix bash expected unary operator (#5653)

---
 .../scala/docker-occlum/run_spark_on_occlum_glibc.sh            | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ppml/trusted-big-data-ml/scala/docker-occlum/run_spark_on_occlum_glibc.sh b/ppml/trusted-big-data-ml/scala/docker-occlum/run_spark_on_occlum_glibc.sh
index 759e9103089..b71f4d2c0dd 100644
--- a/ppml/trusted-big-data-ml/scala/docker-occlum/run_spark_on_occlum_glibc.sh
+++ b/ppml/trusted-big-data-ml/scala/docker-occlum/run_spark_on_occlum_glibc.sh
@@ -53,7 +53,7 @@ init_instance() {
 
     # enable tmp hostfs
     # --conf spark.executorEnv.USING_TMP_HOSTFS=true \
-    if [ $USING_TMP_HOSTFS == "true" ]; then
+    if [[ $USING_TMP_HOSTFS == "true" ]]; then
         echo "use tmp hostfs"
         mkdir ./shuffle
         edit_json="$(cat Occlum.json | jq '.mount+=[{"target": "/tmp","type": "hostfs","source": "./shuffle"}]')" && \