static int sideband_demux(int in, int out, void *data)
 {
        int *xd = data;
+       int ret;
 
-       int ret = recv_sideband("fetch-pack", xd[0], out);
+       ret = recv_sideband("fetch-pack", xd[0], out);
        close(out);
        return ret;
 }
                demux.proc = sideband_demux;
                demux.data = xd;
                demux.out = -1;
+               demux.isolate_sigpipe = 1;
                if (start_async(&demux))
                        die("fetch-pack: unable to fork off sideband"
                            " demultiplexer");