$ git clone -n https://gitee.com/src-opencloudos-rpms/kmod-dinghai /var/lib/mock/dist-oc8-build-100926-65238/root/chroot_tmpdir/scmroot/kmod-dinghai
Cloning into '/var/lib/mock/dist-oc8-build-100926-65238/root/chroot_tmpdir/scmroot/kmod-dinghai'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/kmod-dinghai
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a8574f modify sources