This is pretty rough right now but it gets the job done.
https://github.com/0xtavian/shhgit
Things changed:
Added basic auth functionally for Cloning repos which is required by GHE https://github.com/0xtavian/shhgit/blob/master/core/git.go
Implemented baseURL here https://github.com/0xtavian/shhgit/blob/master/core/session.go#L65