From d45360db62cd9595a44e7d67dd00785a5d589eca Mon Sep 17 00:00:00 2001
From: Wang Long <long.wanglong@huawei.com>
Date: Sat, 26 Mar 2016 15:28:04 +0800
Subject: [PATCH] Fix lay-down-os shell error

the current code for lay-down-os will cause the following error when
install rancheros to disk.

```
-bash: [: missing `]'
```

Signed-off-by: Wang Long <long.wanglong@huawei.com>
---
 scripts/installer/lay-down-os | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/installer/lay-down-os b/scripts/installer/lay-down-os
index b6a80a8c..9bd0f4cb 100755
--- a/scripts/installer/lay-down-os
+++ b/scripts/installer/lay-down-os
@@ -21,7 +21,7 @@ do
         *) exit 1 ;;
     esac
 done
-[ "$ARCH" == "arm" && "$ENV" != "rancher-upgrade" ] && ENV=arm
+[[ "$ARCH" == "arm" && "$ENV" != "rancher-upgrade" ]] && ENV=arm
 
 DIST=${DIST:-/dist}
 CLOUD_CONFIG=${CLOUD_CONFIG:-"${SCRIPTS_DIR}/conf/empty.yml"}