Shay Seng created SPARK-4162:
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Summary: Make scripts symlinkable
Key: SPARK-4162
URL: https://issues.apache.org/jira/browse/SPARK-4162
Project: Spark
Issue Type: Improvement
Components: Deploy, EC2, Spark Shell
Affects Versions: 1.1.0
Environment: Mac, linux
Reporter: Shay Seng
Scripts are not symlink-able because they all use:
FWDIR="$(cd `dirname $0`/..; pwd)"
to detect the parent Spark dir, which doesn't take into account symlinks.
Instead replace the above line with:
SOURCE=$0;
SCRIPT=`basename "$SOURCE"`;
while [ -h "$SOURCE" ]; do
SCRIPT=`basename "$SOURCE"`;
LOOKUP=`ls -ld "$SOURCE"`;
TARGET=`expr "$LOOKUP" : '.*-> \(.*\)$'`;
if expr "${TARGET:-.}/" : '/.*/$' > /dev/null; then
SOURCE=${TARGET:-.};
else
SOURCE=`dirname "$SOURCE"`/${TARGET:-.};
fi;
done;
FWDIR="$(cd `dirname "$SOURCE"`/..; pwd)"
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