$ git clone -n https://gitee.com/src-opencloudos-rpms/v4l-utils.git /var/lib/mock/dist-oc9-build-45409-14591/root/chroot_tmpdir/scmroot/v4l-utils
Cloning into '/var/lib/mock/dist-oc9-build-45409-14591/root/chroot_tmpdir/scmroot/v4l-utils'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/v4l-utils
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d603223 import v4l-utils-1.22.1-3.tl4