$ git clone -n https://src.fedoraproject.org/rpms/python-pyjwkest.git /var/lib/mock/f41-build-1031619-18518/root/chroot_tmpdir/scmroot/python-pyjwkest
Cloning into '/var/lib/mock/f41-build-1031619-18518/root/chroot_tmpdir/scmroot/python-pyjwkest'...
$ git fetch origin ee5f18af96895838f4f10a3ab2e15c6c9806450c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyjwkest
 * [new ref]         ee5f18af96895838f4f10a3ab2e15c6c9806450c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee5f18a Remove dependency on future