Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/3916#issuecomment-77929101
Hey Marcelo,
I think this is really close to being ready to merge. I noticed some extra
output (a '0') when running usage on `spark-shell`:
```
> ./bin/spark-shell --help
0
Usage: ./bin/spark-shell [options]
Spark assembly has been built with Hive, including Datanucleus jars in
classpath.
```
I think whether this should be an exposed API is still a question. However,
I'm fine to merge v1 of this as an exposed API and get feedback. It would be
helpful to hear from potential users whether this is useful to them... so far I
haven't heard much in that direction.
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