$ git clone -n https://gitee.com/src-opencloudos-rpms/apache-commons-collections4.git /var/lib/mock/dist-oc9-build-40580-14589/root/chroot_tmpdir/scmroot/apache-commons-collections4
Cloning into '/var/lib/mock/dist-oc9-build-40580-14589/root/chroot_tmpdir/scmroot/apache-commons-collections4'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/apache-commons-collections4
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41d945f import apache-commons-collections4-4.4-2.tl4