$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc9-build-249075-83773/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc9-build-249075-83773/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 856084c32299980c0273b79f7d09f0d712c552e7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         856084c32299980c0273b79f7d09f0d712c552e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 856084c import samba-4.19.4-13.tl4