$ git clone -n https://gitee.com/src-opencloudos-rpms/java_cup.git /var/lib/mock/dist-oc9-build-48799-14595/root/chroot_tmpdir/scmroot/java_cup
Cloning into '/var/lib/mock/dist-oc9-build-48799-14595/root/chroot_tmpdir/scmroot/java_cup'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/java_cup
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b415364 import java_cup-0.11b-2.tl4