$ git clone -n https://gitee.com/src-opencloudos-rpms/jbigkit.git /var/lib/mock/dist-oc9-build-70163-47398/root/chroot_tmpdir/scmroot/jbigkit
Cloning into '/var/lib/mock/dist-oc9-build-70163-47398/root/chroot_tmpdir/scmroot/jbigkit'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jbigkit
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a1b1178 import jbigkit-2.1-5.tl4