fixes

.github/workflows/docker-image.yml

@@ -17,10 +17,15 @@ jobs:
         run: |
           LOCALAPPVER=($(cat sandstorm.version))
           REMOTEAPPVER=($(curl -s -X GET 'https://api.steamcmd.net/v1/info/581330' | jq -r -e '.data."581330".depots."581333".manifests.public'))
+          if [ -z "$REMOTEAPPVER" -a "$REMOTEAPPVER" = " " ]; then
+              echo "Empty Response"
+              exit 1
+          fi
           if [[ "$LOCALAPPVER" != "$REMOTEAPPVER" ]]; then
               echo "$REMOTEAPPVER" >sandstorm.version
               exit 0
           else
+              echo "Download Failed"
               exit 1
           fi
         shell: bash