$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc8-build-245826-83384/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc8-build-245826-83384/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin a30ddbc6ae68c8d1eed3047d08b62b3aa73b5f0b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         a30ddbc6ae68c8d1eed3047d08b62b3aa73b5f0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a30ddbc import samba-4.19.4-17.tl3