Fix: Add missing quotes

This fixes shellcheck SC2086

Signed-off-by: Matthias Beyer <matthias.beyer@ifm.com>

1 files changed, 9 insertions, 9 deletions

diff --git a/plugins/tedge_docker_plugin/tedge_docker_plugin.sh b/plugins/tedge_docker_plugin/tedge_docker_plugin.sh
index 8d47c92e..37006450 100644
--- a/plugins/tedge_docker_plugin/tedge_docker_plugin.sh
+++ b/plugins/tedge_docker_plugin/tedge_docker_plugin.sh
@@ -15,7 +15,7 @@ EOF
 }
 
 unsupported_args_check() {
-    if [ -n $1 ]; then
+    if [ -n "$1" ]; then
         echo "Unsupported arguments: $*"
         exit 1
     fi
@@ -30,7 +30,7 @@ extract_image_tag_from_args() {
     shift   # Pop image name from args list
     IMAGE_TAG=$IMAGE_NAME
 
-    if [ -n $1 ]; then
+    if [ -n "$1" ]; then
         case "$1" in
             --module-version)
                 IMAGE_VERSION="$2"
@@ -48,7 +48,7 @@ extract_image_tag_from_args() {
 
 }
 
-if [ -z $1 ]; then
+if [ -z "$1" ]; then
     echo "Provide at least one subcommand\n"
     usage
     exit 1
@@ -71,11 +71,11 @@ case "$COMMAND" in
         extract_image_tag_from_args "$@"
 
         # Stop all containers using the provided image name
-        containers=$(docker ps -a --format "{{.ID}} {{.Image}}" | grep $IMAGE_NAME | awk '{print $1}') || exit 2
+        containers=$(docker ps -a --format "{{.ID}} {{.Image}}" | grep "$IMAGE_NAME" | awk '{print $1}') || exit 2
         if [ -z "$containers" ]
         then
             echo "No containers to update. Spawning a new one."
-            docker run -d $IMAGE_TAG || exit 2
+            docker run -d "$IMAGE_TAG" || exit 2
         else
             echo "Updating existing containers."
             for container in $containers
@@ -83,14 +83,14 @@ case "$COMMAND" in
                 docker rm $(docker stop "$container") || exit 2
 
                 # Spawn new containers with the provided image name and version to replace the stopped one
-                docker run -d $IMAGE_TAG || exit 2
+                docker run -d "$IMAGE_TAG" || exit 2
             done
         fi
         ;;
     remove)
-        extract_image_tag_from_args $@
+        extract_image_tag_from_args "$@"
 
-        containers=$(docker ps -a --format "{{.ID}} {{.Image}}" | grep $IMAGE_TAG | awk '{print $1}') || exit 2
+        containers=$(docker ps -a --format "{{.ID}} {{.Image}}" | grep "$IMAGE_TAG" | awk '{print $1}') || exit 2
         if [ -z "$containers" ]
         then
             echo "No containers found for the image: $IMAGE_TAG"
@@ -101,7 +101,7 @@ case "$COMMAND" in
         done
         ;;
     finalize)
-        unsupported_args_check $@
+        unsupported_args_check "$@"
         # Prune all the unused images. The --force command is used to avoid a [y/N] user prompt
         docker image prune --all --force || exit 2
         ;;