Github user mattf commented on the pull request:
https://github.com/apache/spark/pull/1216#issuecomment-47306081
instead of set +e/-e, i'd suggest "git rev-parse || :" and then construct
the GITREVSTRING on a positive "test -n" result
however, the code works as presented
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---