Commits

Antoine Pitrou authored 56a1292fe2d
ARROW-4694: [CI] Improve detect-changes.py on Travis PRs Author: Antoine Pitrou <antoine@python.org> Closes #4223 from pitrou/ARROW-4694-improve-detect-changes and squashes the following commits: d4cb46d2e <Antoine Pitrou> Move logic into get_travis_commit_range() 7b355e082 <Antoine Pitrou> Dump env vars 656eca4a8 <Antoine Pitrou> ARROW-4694: Improve detect-changes.py on Travis PRs