Github user Leemoonsoo commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/577#issuecomment-167723271
@khalidhuseynov Thanks for the contribution. I think the approach make
sense, but the implementation need to be more generalized. We must not assume
that user will use git notebook repo.
How about add one more interface to
[NotebookRepo](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/repo/NotebookRepo.java)?
```
public void checkpoint(String noteId, String checkPointName);
```
and let all notebookrepo implement this interface. This method can be
invoked with proposed GUI.
Each different notebook storage implementation can implement checkpoint()
for their own purpose. GitNotebookRepo use this method for making commit, for
example.
What do you think?
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