$ git clone -n https://gitee.com/src-opencloudos-rpms/python3.git /var/lib/mock/dist-oc8-build-66506-16818/root/chroot_tmpdir/scmroot/python3
Cloning into '/var/lib/mock/dist-oc8-build-66506-16818/root/chroot_tmpdir/scmroot/python3'...
$ git fetch origin 269fcc8c2867c2afe456dbcb303eb694cef5c666:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python3
 * [new ref]         269fcc8c2867c2afe456dbcb303eb694cef5c666 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 269fcc8 import python3-3.6.8-56.tl3.2