Merge pull request #26 from flownative/bugfix/unbound-variable-use

Fix fix for empty FLOW_CONTEXT in Local Beach

Author: kdambekalns

root-files/opt/flownative/lib/beach.sh

@@ -34,10 +34,10 @@ export BEACH_PROJECT_NAME=${BEACH_PROJECT_NAME:-}
 export BEACH_FLOW_BASE_CONTEXT=${BEACH_FLOW_BASE_CONTEXT:-Production}
 export BEACH_FLOW_SUB_CONTEXT=${BEACH_FLOW_SUB_CONTEXT:-Instance}
 export BEACH_FLOW_CONTEXT=${BEACH_FLOW_BASE_CONTEXT}/Beach/${BEACH_FLOW_SUB_CONTEXT}
-if [[ -z "$FLOW_CONTEXT" ]]; then
-    export FLOW_CONTEXT=${BEACH_FLOW_CONTEXT}
-else
+if [[ -v FLOW_CONTEXT && ! -z "$FLOW_CONTEXT" ]]; then
     export FLOW_CONTEXT
+else
+    export FLOW_CONTEXT=${BEACH_FLOW_CONTEXT}
 fi
 
 export BEACH_DATABASE_HOST=${BEACH_DATABASE_HOST:-}