Of course, we're pretty proud of our git support. We also support "connected repos" where we keep a repo in Cloud Source Repositories in sync with a repo you specify on GitHub or BitBucket; if you make a change on GH or BB, it's reflected into GCSR and vice versa. The idea is that you should be able to integrate with the features we're building on top of GCSR without making you move away from GH or BB. Useful?

Chris Sells PM, Google Cloud Platform