apenwarr/redo — pull request #10 by jasom (2012-05-16 18:55:24+00:00)
Title: Performance improvement to state.files() on simple branch

In a slightly-odd real-world case this sped up redo-targets by an order of magnitude (if you are curious it was a generated website with lots and lots of directories like 2001/11/05/title/index.html)