There's a tradition of ex-Googlers re-implementing the Google build system (it was definitely my favorite part of the Google infrastructure). See, e.g., twitte

There's a tradition of ex-Googlers re-implementing the Google build system (it was definitely my favorite part of the Google infrastructure). See, e.g., twitter's pants: https://github.com/twitter/commons/blob/master/src/python/twitter/pants/README.md https://github.com/twitter/commons/blob/master/src/python/tw...