Allen Wittenauer created HADOOP-11460:
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Summary: Add a way to deprecrate shell vars
Key: HADOOP-11460
URL: https://issues.apache.org/jira/browse/HADOOP-11460
Project: Hadoop Common
Issue Type: New Feature
Reporter: Allen Wittenauer
It is a very common shell pattern in 3.x to effectively replace sub-project
specific vars with generics. We should have a function that does this
replacement and provides a warning to the end user that the old shell var is
deprecated. This will allow us an easier time to remove them in the future.
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