Pretty sure this is an export of a Google code project[1], at least the date and message of the latest commit matches the github version.

Previously on HN for the Google code project: https://news.ycombinator.com/item?id=1132682 and https://news.ycombinator.com/item?id=2698685

Two days ago on HN: The init system from the same source code tree: https://news.ycombinator.com/item?id=10206309

[1] https://code.google.com/p/unix-jun72/