$ git clone -n https://gitee.com/fundawang/samba.git /var/lib/mock/dist-an23-build-183180-60217/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-an23-build-183180-60217/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 68b532538b5ab99df48d22112875db6bbec619fd:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/samba
 * [new ref]         68b532538b5ab99df48d22112875db6bbec619fd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68b5325 4.17.4