Self-hosted Git Server

I've had a GitHub account since 2008. June 16th, to be exact. For almost six years I've been hosting my code on someone else's servers. It was sure convenient, and free, and I don't regret it one bit, but the time has come to move that vital service in-house. I've run my own private git server on the Mac mini in my living room since 2012. For the last few years, then, my GitHub account has become