$ git clone -n https://gitee.com/opencloudos-stream/ocspkg.git /var/lib/mock/dist-oc9-epol-build-73933-49354/root/chroot_tmpdir/scmroot/ocspkg
Cloning into '/var/lib/mock/dist-oc9-epol-build-73933-49354/root/chroot_tmpdir/scmroot/ocspkg'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/ocspkg
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fff07a7 !2 fix srpm and distgit_namespaced Merge pull request !2 from gordonwwang/master