$ git clone -n https://src.fedoraproject.org/rpms/slrn.git /var/lib/mock/f41-build-1230614-22865/root/chroot_tmpdir/scmroot/slrn
Cloning into '/var/lib/mock/f41-build-1230614-22865/root/chroot_tmpdir/scmroot/slrn'...
error: RPC failed; HTTP 503 curl 22 The requested URL returned error: 503
fatal: the remote end hung up unexpectedly