$ git clone -n https://gitee.com/opencloudos-stream/pe-bear.git /var/lib/mock/dist-oc9-epol-build-83764-57235/root/chroot_tmpdir/scmroot/pe-bear
Cloning into '/var/lib/mock/dist-oc9-epol-build-83764-57235/root/chroot_tmpdir/scmroot/pe-bear'...
$ git fetch origin master:KOJI_FETCH_HEAD
fatal: expected flush after ref listing
$ git reset --hard origin/master
HEAD is now at 520e9ae package init