From d0fc22a4288228285caacfc0a4312d656ea5a385 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 31 May 2022 16:58:45 +0200
Subject: [PATCH] internal: use errors.As in IsNotFound

Allows it to work properly with wrapped errors.
---
 internal/internal.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/internal/internal.go b/internal/internal.go
index 13011c5..a0867ec 100644
--- a/internal/internal.go
+++ b/internal/internal.go
@@ -2,6 +2,7 @@
 package internal
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 )
@@ -84,7 +85,11 @@ func HTTPErrorFromError(err error) *HTTPError {
 }
 
 func IsNotFound(err error) bool {
-	return HTTPErrorFromError(err).Code == http.StatusNotFound
+	var httpErr *HTTPError
+	if errors.As(err, &httpErr) {
+		return httpErr.Code == http.StatusNotFound
+	}
+	return false
 }
 
 func HTTPErrorf(code int, format string, a ...interface{}) *HTTPError {