[[!comment format=mdwn
 username="mawillcockson"
 subject="comment 2"
 date="2015-07-18T19:13:03Z"
 content="""
Perhaps server-side [git hooks](https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks)?

Maybe a git hook script that uses [inotify](https://en.wikipedia.org/wiki/Inotify) for inode size notifications.

I would have no idea how to implement this, though.
"""]]
