$ git clone -n https://gitee.com/src-opencloudos-rpms/v4l-utils.git /var/lib/mock/dist-oc9-pre-build-238537-82536/root/chroot_tmpdir/scmroot/v4l-utils
Cloning into '/var/lib/mock/dist-oc9-pre-build-238537-82536/root/chroot_tmpdir/scmroot/v4l-utils'...
$ git fetch origin b6e70dd1ee6e066bebeec61eaf923242420d8529:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/v4l-utils
 * [new ref]         b6e70dd1ee6e066bebeec61eaf923242420d8529 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6e70dd import v4l-utils-1.24.1-6.tl4