minor adjustments

main.cpp

@@ -36,7 +36,7 @@ int main(int argc, char *argv[])
     // parse command line arguments
     try {
         parser.parseArgs(argc, argv);
-    } catch (Failure &e) {
+    } catch (const Failure &e) {
         cerr << shchar << "Unable to parse arguments: " << e.what() << endl;
         return 2;
     }

testing/repoindex.conf.js

@@ -5,6 +5,8 @@
         "pacmanConfigFile": "/etc/pacman.conf"
     },
 
+    "cacheDir": ".",
+
     "aur": {
         "enabled": true
     },