mesos/spark — pull request #663 by stephenh (2013-06-26 14:58:01+00:00)
Title: Be cute with Option and getenv.

Hey, I saw the getenv commit go by and made some knee-jerk refactorings to use Option.

Feel free to close/ignore this if you think it's more cryptic/not worth it. If so, I'll also avoid small/nitty little PRs like this in the future.