$ git clone -n https://gitee.com/src-opencloudos-rpms/python-jaraco-envs.git /var/lib/mock/dist-oc9-build-121421-71659/root/chroot_tmpdir/scmroot/python-jaraco-envs
Cloning into '/var/lib/mock/dist-oc9-build-121421-71659/root/chroot_tmpdir/scmroot/python-jaraco-envs'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-jaraco-envs
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50add15 import python-jaraco-envs-2.4.0-4.tl4