Show version-control menu items only when supported
Show version-control menu items only when supported

andypetrella/spark-notebook,spark-notebook/spark-notebook,spark-notebook/spark-notebook,maasg/spark-notebook,andypetrella/spark-notebook,maasg/spark-notebook,maasg/spark-notebook,andypetrella/spark-notebook,maasg/spark-notebook,spark-notebook/spark-notebook,andypetrella/spark-notebook,spark-notebook/spark-notebook