Robert Schooley created PIG-3244:
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             Summary: Make PIG_HOME configurable
                 Key: PIG-3244
                 URL: https://issues.apache.org/jira/browse/PIG-3244
             Project: Pig
          Issue Type: Improvement
    Affects Versions: 0.11
            Reporter: Robert Schooley
            Priority: Minor
             Fix For: 0.11


It looks like the pig shell script in v0.11 exports PIG_HOME without first 
checking to see if it already exists.

from line 78 in <path>/bin/pig:
# the root of the Pig installation
export PIG_HOME=`dirname "$this"`/..

The supplied patch checks to see if the env has already been set prior to 
setting.

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