Disable caching if no cache dir given

qswiki.cpp

@@ -37,6 +37,7 @@ SOFTWARE.
 #include "urlprovider.h"
 #include "requestworker.h"
 #include "cache/fscache.h"
+#include "cache/nocache.h"
 #include "sandbox/sandboxfactory.h"
 #include "cli.h"
 #include "cliconsole.h"
@@ -68,9 +69,11 @@ static struct option long_options[] = {{"cli", no_argument, 0, 'c'}, {"version",
 
 std::unique_ptr<ICache> createCache(const ConfigVariableResolver &resolver)
 {
-
 	std::string path = resolver.getConfig("cache_fs_dir");
-
+	if(path == "")
+	{
+		return std::make_unique<NoCache>(path);
+	}
 	return std::make_unique<FsCache>(path);
 }