Github user mnogu commented on a diff in the pull request:
https://github.com/apache/storm/pull/294#discussion_r22780600
--- Diff: storm-core/src/saveVersion.sh ---
@@ -0,0 +1,42 @@
+#this file is used to generate the package-info.java class that
+# records the version, revision, branch, user, timestamp, and url
+unset LANG
+unset LC_CTYPE
+unset LC_TIME
+version=$1
+build_dir=$2
+user=`whoami`
+date=`date`
+cwd=`pwd`
+if [ -d ../.git ]; then
+ revision=`git log -1 --pretty=format:"%H"`
+ hostname=`hostname`
--- End diff --
The variable ```hostname``` is referenced nowhere. You can remove this line.
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