From 963d9209cac8138d5e5469794b0c24273ac3b7bb Mon Sep 17 00:00:00 2001
From: Joe Lothan <joe@lothan.net>
Date: Wed, 20 May 2026 00:35:55 -0400
Subject: [PATCH] cleaner dns error handling

---
 pipeline/03_icon_download/download.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pipeline/03_icon_download/download.go b/pipeline/03_icon_download/download.go
index 5bb6774..a557071 100644
--- a/pipeline/03_icon_download/download.go
+++ b/pipeline/03_icon_download/download.go
@@ -3,6 +3,7 @@ package main
 import (
 	"crypto/sha256"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -126,10 +127,8 @@ func classifyError(err error) string {
 	msg := err.Error()
 
 	// DNS errors
-	if _, ok := err.(*net.DNSError); ok {
-		return "dns"
-	}
-	if strings.Contains(msg, "no such host") || strings.Contains(msg, "dns") {
+	var dnsErr *net.DNSError
+	if errors.As(err, &dnsErr) {
 		return "dns"
 	}