Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/693#issuecomment-42554599
Yes, so if you are making your own separate project, even if it's
Spark-based, you should be using the regular SBT and its `sbt` binary in your
build, not this script that is for building Spark itself, IIUC. This would now
require now setting `SPARK_HOME`, for example, when it seems a little funny to
have to do so from the top-level of the project itself.
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