$ git clone -n https://gitee.com/src-opencloudos-rpms/samba.git /var/lib/mock/dist-oc9-build-72475-47804/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/dist-oc9-build-72475-47804/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin fa5aa3ea65bce1543def07edd8675323756ff7d9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/samba
 * [new ref]         fa5aa3ea65bce1543def07edd8675323756ff7d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa5aa3e import samba-4.19.4-4.tl4