$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc8-build-235429-82132/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc8-build-235429-82132/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin adbb044c45c53b5884dc51dc1c2dd9b886601a2d:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         adbb044c45c53b5884dc51dc1c2dd9b886601a2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at adbb044 import samba-4.19.4-15.tl3