Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/19695#discussion_r149649386
--- Diff: dev/create-release/release-build.sh ---
@@ -130,6 +130,10 @@ else
fi
fi
+LSOF=lsof
+if ! hash $LSOF 2>/dev/null; then
--- End diff --
I don't know much about this but is command better?
https://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
not sure what the scripts here usually do (not at my keyboard)
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