$ git clone -n https://gitee.com/ocs-bot/samba.git /var/lib/mock/dist-ocs23-build-172435-10667/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-ocs23-build-172435-10667/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/ocs-bot/samba
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb79a77 Upgrade to version 4.20.1