Truth is, right now, I don't know.
**I need to review this page....not sure if it's helpful or not 3rd July 2019
However the problem I had today was git clone creates the directory of the project in the place you are cloning to.
For example: (notice the '.' at the end)
You need the directory to be completely empty to do this successfully. But I have the .well-known dir and the .git dir