pridana kontrola instalace warden serveru v danem adresari

src/warden-server/sh/uninstall.sh

@@ -104,10 +104,12 @@ getPackageVersion()
 	old_package_version_file=$(find "$basedir" -name package_version)
 	if [ -f "$old_package_version_file" ]; then
 		package_version=$(<"$old_package_version_file")
+		echo "OK"
 	else
-		package_version="unknown"
+		echo "FAILED!"
+		echo "Warden server is not installed in this directory!"
+		exit 1
 	fi
-	echo "OK"
 }