$ git clone -n https://gitee.com/src-opencloudos-rpms/jansson.git /var/lib/mock/dist-oc9-build-120899-71490/root/chroot_tmpdir/scmroot/jansson
Cloning into '/var/lib/mock/dist-oc9-build-120899-71490/root/chroot_tmpdir/scmroot/jansson'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jansson
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13c11a9 import jansson-2.14-7.tl4