$ git clone -n https://gitee.com/src-opencloudos-rpms/atlas.git /var/lib/mock/dist-oc9-build-69480-47299/root/chroot_tmpdir/scmroot/atlas
Cloning into '/var/lib/mock/dist-oc9-build-69480-47299/root/chroot_tmpdir/scmroot/atlas'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/atlas
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0fb4e5 import atlas-3.10.3-6.tl4