git subrepo clone --force --branch=exo2 https://github.com/m4xw/emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "3791be9f"
upstream:
  origin:   "https://github.com/m4xw/emummc"
  branch:   "exo2"
  commit:   "3791be9f"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"