Summary: Ref T2222. We have a hunk of logic that purely does text parsing here; separate it and get coverage on it.
Test Plan:
- Ran new unit tests.
- Used `differential.parsecommitmessage`.
Reviewers: btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T2222
Differential Revision: https://secure.phabricator.com/D8444
