$ git clone -n https://gitee.com/src-opencloudos-rpms/dibbler.git /var/lib/mock/dist-oc9-epol-build-53412-14768/root/chroot_tmpdir/scmroot/dibbler
Cloning into '/var/lib/mock/dist-oc9-epol-build-53412-14768/root/chroot_tmpdir/scmroot/dibbler'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/dibbler
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf0c022 import dibbler-1.0.1-2.tl4