$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc8-build-67789-46501/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc8-build-67789-46501/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 19ec64e35e16b51e4c9fc6588b6360555175bf11:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         19ec64e35e16b51e4c9fc6588b6360555175bf11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19ec64e import samba-4.18.6-3.tl3