$ git clone -n https://src.fedoraproject.org/rpms/python-utils.git /var/lib/mock/f40-build-2232244-53326/root/chroot_tmpdir/scmroot/python-utils
Cloning into '/var/lib/mock/f40-build-2232244-53326/root/chroot_tmpdir/scmroot/python-utils'...
$ git fetch origin eb7cbee58d19c44a2038015f2bb55ba8c7bf0b5c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-utils
 * [new ref]         eb7cbee58d19c44a2038015f2bb55ba8c7bf0b5c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb7cbee Update to 3.7.0