$ git clone -n https://gitee.com/src-opencloudos-rpms/accel-config.git /var/lib/mock/dist-oc9-la64-build-133141-78829/root/chroot_tmpdir/scmroot/accel-config
Cloning into '/var/lib/mock/dist-oc9-la64-build-133141-78829/root/chroot_tmpdir/scmroot/accel-config'...
error: RPC failed; HTTP 504 curl 22 The requested URL returned error: 504
fatal: expected flush after ref listing