$ git clone -n https://gitee.com/src-opencloudos-rpms/libldac.git /var/lib/mock/dist-oc9-build-46830-14592/root/chroot_tmpdir/scmroot/libldac
Cloning into '/var/lib/mock/dist-oc9-build-46830-14592/root/chroot_tmpdir/scmroot/libldac'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libldac
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a4ce1c import libldac-2.0.2.3-3.tl4