[jira] [Created] (SPARK-4123) Show new dependencies added in pull requests

["Patrick Wendell (JIRA)" <ji...@apache.org>]

Patrick Wendell created SPARK-4123:
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             Summary: Show new dependencies added in pull requests
                 Key: SPARK-4123
                 URL: https://issues.apache.org/jira/browse/SPARK-4123
             Project: Spark
          Issue Type: Improvement
          Components: Project Infra
            Reporter: Patrick Wendell
            Priority: Critical


We should inspect the classpath of Spark's assembly jar for every pull request. This only takes a few seconds in Maven and it will help weed out dependency changes from the master branch. Ideally we'd post any dependency changes in the pull request message.

{code}
$ mvn -Phive -Phadoop-2.4 dependency:build-classpath -pl assembly  | grep -v INFO | tr : "\n" | awk -F/ '{print $NF}' | sort > my-classpath
git checkout apache/master
$ mvn -Phive -Phadoop-2.4 dependency:build-classpath -pl assembly  | grep -v INFO | tr : "\n" | awk -F/ '{print $NF}' | sort > master-classpath
$ diff my-classpath master-classpath
< chill-java-0.3.6.jar
< chill_2.10-0.3.6.jar
---
> chill-java-0.5.0.jar
> chill_2.10-0.5.0.jar
{code}



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