$ git clone -n https://gitee.com/src-opencloudos-rpms/Cython3.git /var/lib/mock/dist-oc9-build-69661-47323/root/chroot_tmpdir/scmroot/Cython3
Cloning into '/var/lib/mock/dist-oc9-build-69661-47323/root/chroot_tmpdir/scmroot/Cython3'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/Cython3
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b2e2e8 import Cython3-3.0.2-4.tl4.1