From 8a4d38bd2252d7c4040a7116e8a14e63db5af78d Mon Sep 17 00:00:00 2001
From: Martin Czygan <martin.czygan@gmail.com>
Date: Thu, 20 May 2021 14:35:10 +0200
Subject: cdx: fail on >=400 status

---
 skate/cdx.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/skate/cdx.go b/skate/cdx.go
index ed394ed..6378bf6 100644
--- a/skate/cdx.go
+++ b/skate/cdx.go
@@ -105,6 +105,9 @@ func LookupCDX(link string) (result CDX, b []byte, err error) {
 		return nil, b, err
 	}
 	defer resp.Body.Close()
+	if resp.StatusCode >= 400 {
+		return nil, nil, fmt.Errorf("api returned HTTP %v", resp.StatusCode)
+	}
 	b, err = ioutil.ReadAll(resp.Body)
 	if err != nil {
 		return nil, b, err
-- 
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