$ git clone -n https://gitee.com/opencloudos-stream/pam-u2f.git /var/lib/mock/dist-oc9-epol-build-85734-57526/root/chroot_tmpdir/scmroot/pam-u2f
Cloning into '/var/lib/mock/dist-oc9-epol-build-85734-57526/root/chroot_tmpdir/scmroot/pam-u2f'...
$ git fetch origin master:KOJI_FETCH_HEAD
fatal: expected flush after ref listing
$ git reset --hard origin/master
HEAD is now at 025acc9 update