$ git clone -n https://gitee.com/src-opencloudos-rpms/jasper.git /var/lib/mock/dist-oc9-build-70147-47396/root/chroot_tmpdir/scmroot/jasper
Cloning into '/var/lib/mock/dist-oc9-build-70147-47396/root/chroot_tmpdir/scmroot/jasper'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jasper
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 647afc0 import jasper-4.0.0-2.tl4