$ git clone -n https://gitee.com/src-opencloudos-rpms/osbuild-composer /var/lib/mock/dist-oc9-build-67396-37876/root/chroot_tmpdir/scmroot/osbuild-composer
Cloning into '/var/lib/mock/dist-oc9-build-67396-37876/root/chroot_tmpdir/scmroot/osbuild-composer'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/osbuild-composer
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c45388 !7 Add xrdb to anaconda tree stage Merge pull request !7 from Fanjun Kong/oc9