$ git clone -n https://src.fedoraproject.org/rpms/python-fiona.git /var/lib/mock/f41-build-815104-149418/root/chroot_tmpdir/scmroot/python-fiona
Cloning into '/var/lib/mock/f41-build-815104-149418/root/chroot_tmpdir/scmroot/python-fiona'...
$ git fetch origin 3d34cc7d432cac64d27879a23ad34e09e995abb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fiona
 * [new ref]         3d34cc7d432cac64d27879a23ad34e09e995abb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d34cc7 Skip tests failing on s390x