This maybe? http://m.cacm.acm.org/magazines/2016/7/204032-why-google-sto...
The key here is CITC. All the source code lives "in the cloud" and pulls to your machine as it's needed (using a FUSE file system).
The key here is CITC. All the source code lives "in the cloud" and pulls to your machine as it's needed (using a FUSE file system).