Merge pull request #8 from Runnable/add-has-dockerfile-mirroring-method

Add hasDockerfileMirroring method

Author: Nathan219

Diff for: lib/models/instance.js

@@ -941,3 +941,11 @@ Instance.prototype.isMigrating = function () {
   }
   return keypather.get(this, 'contextVersion.attrs.dockRemoved');
 };
+
+/**
+ * Is this instance currently mirroring a Dockerfile?
+ * @return {Boolean}
+ */
+Instance.prototype.hasDockerfileMirroring = function () {
+  return !!keypather.get(this, 'contextVersion.attrs.buildDockerfilePath');
+};