[jira] [Created] (SPARK-9250) ./dev/change-scala-version.sh should offer guidance what versions are accepted, i.e. 2.10 or 2.11

["Jacek Laskowski (JIRA)" <ji...@apache.org>]

Jacek Laskowski created SPARK-9250:
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             Summary: ./dev/change-scala-version.sh should offer guidance what versions are accepted, i.e. 2.10 or 2.11
                 Key: SPARK-9250
                 URL: https://issues.apache.org/jira/browse/SPARK-9250
             Project: Spark
          Issue Type: Improvement
          Components: Build
         Environment: commit c03299a18b4e076cabb4b7833a1e7632c5c0dabe
            Reporter: Jacek Laskowski
            Priority: Minor


With the commit f5b6dc5 there's this new way of building Spark with Scala 2.10 and 2.11. The help given is not very helpful and could be improved about the possible versions and their format.

{code}
➜  spark git:(master) ./dev/change-scala-version.sh
Usage: change-scala-version.sh <version>
{code}

I can see inside - that could be part of the help.

{code}
VALID_VERSIONS=( 2.10 2.11 )
{code}



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