$ git clone -n https://gitee.com/nebula_matrix_driver/cloud-kernel.git /var/lib/mock/dist-an7_9-updates-build-428847-72063/root/chroot_tmpdir/scmroot/cloud-kernel
Cloning into '/var/lib/mock/dist-an7_9-updates-build-428847-72063/root/chroot_tmpdir/scmroot/cloud-kernel'...
error: RPC failed; HTTP 504 curl 22 The requested URL returned error: 504
fatal: the remote end hung up unexpectedly