$ npm install [-g] core-validate-commit

# for a single commit $ core-validate-commit <sha> # validate since <sha> $ git rev-list <sha>..HEAD | xargs core-validate-commit # list all rules $ core-validate-commit --list fixes-url enforce format of Fixes URLs line-after-title enforce a blank newline after the commit title line-length enforce max length of lines in commit body metadata-end enforce that metadata is at the end of commit messages pr-url enforce PR-URL reviewers enforce having reviewers subsystem enforce subsystem validity title-format enforce commit title format title-length enforce max length of commit title

$ core-validate-commit --list-subsystem

$ npm test