$ git clone -n https://gitee.com/src-opencloudos-rpms/janino.git /var/lib/mock/dist-oc9-build-63989-16463/root/chroot_tmpdir/scmroot/janino
Cloning into '/var/lib/mock/dist-oc9-build-63989-16463/root/chroot_tmpdir/scmroot/janino'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/janino
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aeca341 import janino-3.1.7-3.tl4