From 1009e88ff752525966708c56190c2dfa32bc9537 Mon Sep 17 00:00:00 2001
From: Keuin <keuinx@gmail.com>
Date: Thu, 8 Sep 2022 00:54:21 +0800
Subject: Remove unnecessary boolean flag.

---
 bilibili/streaming.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'bilibili/streaming.go')

diff --git a/bilibili/streaming.go b/bilibili/streaming.go
index ec99565..5407043 100644
--- a/bilibili/streaming.go
+++ b/bilibili/streaming.go
@@ -3,6 +3,7 @@ package bilibili
 import (
 	"bilibili-livestream-archiver/common"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -59,14 +60,13 @@ func (b Bilibili) CopyLiveStream(
 	defer cancelGuardian()
 
 	// blocking copy
-	n, err, isCancelled := common.Copy(ctx, out, resp.Body)
+	n, err := common.Copy(ctx, out, resp.Body)
 
-	if isCancelled {
+	if errors.Is(err, context.Canceled) {
 		// cancelled by context
 		// this error is useless
 		err = nil
-	}
-	if !isCancelled && err != nil {
+	} else {
 		// real error happens
 		b.error.Printf("Stream copying was interrupted unexpectedly: %v", err)
 	}
-- 
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