$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc8-build-241548-82842/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc8-build-241548-82842/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin 07a216c86b82c89dfeba9aff3537785eecb63313:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         07a216c86b82c89dfeba9aff3537785eecb63313 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07a216c import samba-4.19.4-16.tl3