$ git clone -n https://gitee.com/src-opencloudos-rpms/python-greenlet.git /var/lib/mock/dist-oc9-build-49281-14595/root/chroot_tmpdir/scmroot/python-greenlet
Cloning into '/var/lib/mock/dist-oc9-build-49281-14595/root/chroot_tmpdir/scmroot/python-greenlet'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-greenlet
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab3893a import python-greenlet-2.0.2-2.tl4