From b5c571df188cb095f3387f35bb375d026a5d18c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Sj=C3=B6gren?=
 <konstruktoid@users.noreply.github.com>
Date: Sun, 21 Jun 2015 23:03:34 +0200
Subject: [PATCH] shellcheck fixes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Thomas Sjögren <konstruktoid@users.noreply.github.com>
---
 tests/1_host_configuration.sh         | 2 +-
 tests/5_container_runtime.sh          | 2 +-
 tests/6_docker_security_operations.sh | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tests/1_host_configuration.sh b/tests/1_host_configuration.sh
index d97a1ba..35188e6 100644
--- a/tests/1_host_configuration.sh
+++ b/tests/1_host_configuration.sh
@@ -40,7 +40,7 @@ fi
 # 1.6
 check_1_6="1.6  - Keep Docker up to date"
 docker_version=$(docker version | grep 'Server version' | awk '{print $3}')
-do_version_check 1.6.2 $docker_version
+do_version_check 1.6.2 "$docker_version"
 if [ $? -eq 11 ]; then
   warn "$check_1_6"
 else
diff --git a/tests/5_container_runtime.sh b/tests/5_container_runtime.sh
index 9f581bf..7284249 100644
--- a/tests/5_container_runtime.sh
+++ b/tests/5_container_runtime.sh
@@ -180,7 +180,7 @@ else
     fi
 
     processes=$(docker exec "$c" ps -el 2>/dev/null | grep -c sshd | awk '{print $1}')
-    if [ $processes -gt 1 ]; then
+    if [ "$processes" -gt 1 ]; then
       # If it's the first container, fail the test
       if [ $fail -eq 0 ]; then
         warn "$check_5_7"
diff --git a/tests/6_docker_security_operations.sh b/tests/6_docker_security_operations.sh
index 3165986..28d6916 100644
--- a/tests/6_docker_security_operations.sh
+++ b/tests/6_docker_security_operations.sh
@@ -40,7 +40,7 @@ images=$(docker images -q | wc -l | awk '{print $1}')
 active_images=0
 
 for c in $(docker inspect -f "{{.Image}}" $(docker ps -qa)); do
-  if docker images --no-trunc -a | grep $c > /dev/null ; then
+  if docker images --no-trunc -a | grep "$c" > /dev/null ; then
     active_images=$(( active_images += 1 ))
   fi
 done
@@ -61,7 +61,7 @@ fi
 check_6_7="6.7 - Avoid container sprawl"
 total_containers=$(docker info 2>/dev/null | grep "Containers" | awk '{print $2}')
 running_containers=$(docker ps -q | wc -l | awk '{print $1}')
-diff="$(($total_containers - $running_containers))"
+diff="$((total_containers - running_containers))"
 if [ "$diff" -gt 25 ]; then
   warn "$check_6_7"
   warn "     * There are currently a total of $total_containers containers, with only $running_containers of them currently running"