$ git clone -n https://gitee.com/opencloudos-stream/kblackbox /var/lib/mock/dist-ocs23-epol9-build-244852-23221/root/chroot_tmpdir/scmroot/kblackbox
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-244852-23221/root/chroot_tmpdir/scmroot/kblackbox'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kblackbox
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfbe835 update