$ git clone -n https://gitee.com/src-opencloudos-rpms/atkmm.git /var/lib/mock/dist-oc9-build-63224-16463/root/chroot_tmpdir/scmroot/atkmm
Cloning into '/var/lib/mock/dist-oc9-build-63224-16463/root/chroot_tmpdir/scmroot/atkmm'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/atkmm
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6216837 import atkmm-2.28.3-4.tl4