$ git clone -n https://src.fedoraproject.org/rpms/python-fontrpmspec.git /var/lib/mock/f41-build-1204290-22444/root/chroot_tmpdir/scmroot/python-fontrpmspec
Cloning into '/var/lib/mock/f41-build-1204290-22444/root/chroot_tmpdir/scmroot/python-fontrpmspec'...
$ git fetch origin 448ed2717e64d4f97ea8d179db706940a48b4daf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fontrpmspec
 * [new ref]         448ed2717e64d4f97ea8d179db706940a48b4daf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 448ed27 Update to 0.16