$ git clone -n https://gitee.com/src-opencloudos-rpms/python-waitress.git /var/lib/mock/dist-oc9-build-44759-14591/root/chroot_tmpdir/scmroot/python-waitress
Cloning into '/var/lib/mock/dist-oc9-build-44759-14591/root/chroot_tmpdir/scmroot/python-waitress'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-waitress
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d7543e9 import python-waitress-2.1.2-3.tl4