sbuf_cat(cmd, u->host);
sbuf_printf(cmd, " pkg ssh");
sbuf_finish(cmd);
pkg_debug(1, "Fetch: running '%s'", sbuf_data(cmd));
if ((repo->ssh = popen(sbuf_data(cmd), "r+")) == NULL) {
pkg_emit_errno("popen", "ssh");
sbuf_delete(cmd);