[build-commits] let people "/ci build $sha1"
Merge remote-tracking branch 'origin/master' into build-commits
[repository] use a stricter regexp
Merge branch 'master' of https://github.com/github/janky into build-commits
[repository] we are sha-ish not strict sha
[repository] require at least 7 hex chars
Merge pull request #186 from github/build-commits

[build-commits] let people "/ci build repo/$sha1"