$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc8-build-74725-51129/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc8-build-74725-51129/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 59a6f2217d4a70dac92ce589789257e90078ecac:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         59a6f2217d4a70dac92ce589789257e90078ecac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59a6f22 import samba-4.19.4-3.tl3