$ git clone -n https://gitee.com/src-opencloudos-rpms/apache-parent.git /var/lib/mock/dist-oc9-build-48530-14595/root/chroot_tmpdir/scmroot/apache-parent
Cloning into '/var/lib/mock/dist-oc9-build-48530-14595/root/chroot_tmpdir/scmroot/apache-parent'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/apache-parent
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ade21a import apache-parent-27-4.tl4