Add a new function used to determine where to retrieve config from

lib/config-utils.js

@@ -219,6 +219,14 @@ function initConfig() {
     }
     return config;
 }
+function isLocal(configPath) {
+    // If the path starts with ./, look locally
+    if (configPath.indexOf("./") === 0) {
+        return true;
+    }
+    return (configPath.indexOf("@") === -1);
+}
+exports.isLocal = isLocal;
 function getConfigFolder() {
     return util.getRequiredEnvParam('RUNNER_TEMP');
 }