chore: Unsure undeployment is only done when deployed application exists

.gitlab-ci.yml

@@ -131,9 +131,9 @@ deploy-to-production:
     - echo "deploy $TMP_PATH/$WAR_FILE --force" > deploy.cli
     - scp deploy.cli $SERVER_USER@$SERVER_IP:$TMP_PATH
     # Find name of currently deployed application. Undeploy.
-    #- CURRENTLY_DEPLOYED=$(ssh $SERVER_USER@$SERVER_IP "$CLI_PATH/jboss-cli.sh --user=$WILDFLY_ADMIN_USERNAME --password=$WILDFLY_ADMIN_PASSWORD --connect --commands=ls\ deployment | tr ' ' '\n'  | grep VIPSCore-.*war")
-    #- echo $CURRENTLY_DEPLOYED
-    #- ssh $SERVER_USER@$SERVER_IP "$CLI_PATH/jboss-cli.sh --user=$WILDFLY_ADMIN_USERNAME --password=$WILDFLY_ADMIN_PASSWORD --connect --command='undeploy $CURRENTLY_DEPLOYED'"
+    - CURRENTLY_DEPLOYED=$(ssh $SERVER_USER@$SERVER_IP "$CLI_PATH/jboss-cli.sh --user=$WILDFLY_ADMIN_USERNAME --password=$WILDFLY_ADMIN_PASSWORD --connect --commands=ls\ deployment | tr ' ' '\n'  | grep VIPSCore-.*war")
+    - echo $CURRENTLY_DEPLOYED
+    - if [ -n "$CURRENTLY_DEPLOYED" ]; then ssh $SERVER_USER@$SERVER_IP "$CLI_PATH/jboss-cli.sh --user=$WILDFLY_ADMIN_USERNAME --password=$WILDFLY_ADMIN_PASSWORD --connect --command='undeploy $CURRENTLY_DEPLOYED'"; fi
     # Deploy war file using JBoss CLI and credentials given in CI/CD variables
     - echo "Deploy $WAR_FILE using JBoss CLI"
     - ssh $SERVER_USER@$SERVER_IP "$CLI_PATH/jboss-cli.sh --user=$WILDFLY_ADMIN_USERNAME --password=$WILDFLY_ADMIN_PASSWORD --connect --file=$TMP_PATH/deploy.cli" > deployment.log 2>&1