$ git clone -n https://gitee.com/src-opencloudos-rpms/python-meh.git /var/lib/mock/dist-oc9-build-44459-14591/root/chroot_tmpdir/scmroot/python-meh
Cloning into '/var/lib/mock/dist-oc9-build-44459-14591/root/chroot_tmpdir/scmroot/python-meh'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-meh
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e43f422 import python-meh-0.50-3.tl4