$ git clone -n https://gitee.com/src-opencloudos-rpms/libmatchbox.git /var/lib/mock/dist-oc9-build-128307-77270/root/chroot_tmpdir/scmroot/libmatchbox
Cloning into '/var/lib/mock/dist-oc9-build-128307-77270/root/chroot_tmpdir/scmroot/libmatchbox'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libmatchbox
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4405a81 import libmatchbox-1.11-3.tl4