[jira] [Created] (SPARK-13085) Add scalastyle command used in build testing

["Charles Allen (JIRA)" <ji...@apache.org>]

Charles Allen created SPARK-13085:
-------------------------------------

             Summary: Add scalastyle command used in build testing
                 Key: SPARK-13085
                 URL: https://issues.apache.org/jira/browse/SPARK-13085
             Project: Spark
          Issue Type: Wish
          Components: Build, Tests
            Reporter: Charles Allen


As an occasional or new contributor, it is easy to screw up scala style. But looking at the output logs (for example https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/50300/consoleFull ) it is not obvious how to fix the scala style tests, even when reading the scala guide.

{code}
========================================================================
Running Scala style checks
========================================================================
Scalastyle checks failed at following occurrences:
[error] /home/jenkins/workspace/SparkPullRequestBuilder/core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/CoarseMesosSchedulerBackend.scala:22:0: import.ordering.wrongOrderInGroup.message
[error] (core/compile:scalastyle) errors exist
[error] Total time: 9 s, completed Jan 28, 2016 2:11:00 PM
[error] running /home/jenkins/workspace/SparkPullRequestBuilder/dev/lint-scala ; received return code 1
{code}

This ask is that the command used to check scalastyle is presented in the log so a developer does not have to wait for the build process to check if a pull request should pass scala style checks.



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