fixup! Use a more suitable method of detecting if authentication is needed

Author: stevenpost

templates/mongoshrc.js.erb

@@ -21,10 +21,12 @@ function authRequired() {
   try {
     return rs.status().ok != 1;
   } catch (err) {
-    if (err.message.match(/requires authentication/) || err.message.match(/not authorized on admin/)) {
-      return true
-    } else {
-      throw("Unknown error :" + err)
+    $switch: {
+      branches: [
+        { case: err.message.match(/requires authentication/) || err.message.match(/not authorized on admin/), then: return true },
+        { case: err.message.match(/not running with --replSet/), then: return false },
+      ],
+        default: throw("Unknown error :" + err)
     }
   }
 }