twitter/commons — pull request #40 by benjyw (2012-07-17 00:08:14+00:00)
Title: pants goal clean-all-async

This does the same as clean-all, but does a quick rename of .pants.d and
then deletes the files in a spawned daemon process, rather than waiting
for the deletes. This is very helpful when building large scala projects,
which can generate ~100k files, and take 90 seconds to clean.