$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-markdown-builder.git /var/lib/mock/f45-build-33066-666/root/chroot_tmpdir/scmroot/python-sphinx-markdown-builder
Cloning into '/var/lib/mock/f45-build-33066-666/root/chroot_tmpdir/scmroot/python-sphinx-markdown-builder'...
$ git fetch origin 0e4243d8500d6afc88c5fe558e6726da637cb6f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-markdown-builder
 * [new ref]         0e4243d8500d6afc88c5fe558e6726da637cb6f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e4243d local build