From a25294d68c6cae309451af657b96846e1775ef57 Mon Sep 17 00:00:00 2001
From: Jon Johnson <jon.johnson@chainguard.dev>
Date: Fri, 24 Jan 2025 10:31:07 -0800
Subject: [PATCH] Return an if fetching index fails (#1495)

We weren't actually checking the response code, so we get weird gzip
errors instead of the HTTP status.

Signed-off-by: Jon Johnson <jon.johnson@chainguard.dev>
---
 pkg/apk/apk/index.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/apk/apk/index.go b/pkg/apk/apk/index.go
index e16a1dcf..94d65341 100644
--- a/pkg/apk/apk/index.go
+++ b/pkg/apk/apk/index.go
@@ -135,6 +135,10 @@ func (i *indexCache) get(ctx context.Context, repoName, repoURL string, keys map
 			return nil, err
 		}
 
+		if resp.StatusCode != http.StatusOK {
+			return nil, fmt.Errorf("unexpected status code %d", resp.StatusCode)
+		}
+
 		fetchAndParse := func(etag string) (NamedIndex, error) {
 			b, err := fetchRepositoryIndex(ctx, u, etag, opts)
 			if err != nil {