From db2eacb64d7d49197fa015dc4c7d659d0789dc8b Mon Sep 17 00:00:00 2001
From: Vassili Tchersky <32412779+vassilit@users.noreply.github.com>
Date: Sat, 31 Dec 2022 13:43:21 +0100
Subject: [PATCH] Fix Updater.Stop() panic (#69)

Updater.Stop() causes a call to http.Server.Shutdown() that make the listeners to immediately return ErrServerClosed, causing a panic when shutting down normally. On the contrary, we don't want to panic on ErrServerClosed.
---
 ext/updater.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/updater.go b/ext/updater.go
index 181d0817..9da955d0 100644
--- a/ext/updater.go
+++ b/ext/updater.go
@@ -255,7 +255,7 @@ func (u *Updater) StartWebhook(b *gotgbot.Bot, opts WebhookOpts) error {
 		} else {
 			err = u.server.ListenAndServe()
 		}
-		if err != nil && errors.Is(err, http.ErrServerClosed) {
+		if err != nil && !errors.Is(err, http.ErrServerClosed) {
 			panic("http server failed: " + err.Error())
 		}
 	}()