$ git clone -n https://gitee.com/src-opencloudos-rpms/sssd.git /var/lib/mock/dist-oc9-build-137085-79494/root/chroot_tmpdir/scmroot/sssd
Cloning into '/var/lib/mock/dist-oc9-build-137085-79494/root/chroot_tmpdir/scmroot/sssd'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sssd
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c891b18 !1 Rebuild for samba-4.19.4-8.oc9 Merge pull request !1 from brucezhang/oc9