Merge pull request #51 from LeelaChessZero/master

Prepare release v0.17.1

lc0_main.go

@@ -140,6 +140,9 @@ func uploadGame(httpClient *http.Client, path string, pgn string,
 			continue
 		}
 		resp.Body.Close()
+		if resp.StatusCode != 200 && strings.Contains(body.String(), " upgrade " ) {
+			log.Fatal("The lc0 version you are using is not accepted by the server")
+		}
 		break
 	}
 

src/client/client_http.go

@@ -35,6 +35,9 @@ func postParams(httpClient *http.Client, uri string, data map[string]string, tar
 	if target != nil {
 		err = json.Unmarshal(b, target)
 		if err != nil {
+			if strings.Contains(string(b), " upgrade ") {
+				log.Fatal("The client version you are using is not accepted by the server")
+			}
 			log.Printf("Bad JSON from %s -- %s\n", uri, string(b))
 		}
 	}