$ git clone -n https://gitee.com/src-opencloudos-rpms/python3.git /var/lib/mock/dist-oc8-build-236486-82298/root/chroot_tmpdir/scmroot/python3
Cloning into '/var/lib/mock/dist-oc8-build-236486-82298/root/chroot_tmpdir/scmroot/python3'...
$ git fetch origin c48b20a2a3a502781931e0b2bb1847029dc04189:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python3
 * [new ref]         c48b20a2a3a502781931e0b2bb1847029dc04189 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c48b20a import python3-3.6.8-74.tl3