$ git clone -n https://gitee.com/src-opencloudos-rpms/python-rpm-generators /var/lib/mock/dist-oc8-build-57068-15217/root/chroot_tmpdir/scmroot/python-rpm-generators
Cloning into '/var/lib/mock/dist-oc8-build-57068-15217/root/chroot_tmpdir/scmroot/python-rpm-generators'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-rpm-generators
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7381ba1 import python-rpm-generators-5-8.tl3