$ git clone -n https://gitee.com/src-opencloudos-rpms/python3.git /var/lib/mock/dist-oc8-build-74399-50288/root/chroot_tmpdir/scmroot/python3
Cloning into '/var/lib/mock/dist-oc8-build-74399-50288/root/chroot_tmpdir/scmroot/python3'...
$ git fetch origin 16054c640377e509c2f4ad6dc180d2f859c29b9c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python3
 * [new ref]         16054c640377e509c2f4ad6dc180d2f859c29b9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16054c6 import python3-3.6.8-62.tl3