jenkinsci/mercurial-plugin — pull request #11 by kisielk (2011-12-02 23:05:59+00:00)
Title: Added URL-based build triggering, similar to the git plugin.

Visiting /mercurial/notifyCommit?url= will trigger all
builds that reference that repository URL.

The implementation is pretty much copied verbatim from the git-plugin with a few minor changes.