handle api return codes

main.go

@@ -127,6 +127,12 @@ func ALHPBuildQueuePkgbase() ([]string, error) {
 	}
 	defer resp.Body.Close()
 
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("ALHP api returned HTTP %d", resp.StatusCode)
+	} else if resp.StatusCode == http.StatusNotFound {
+		return nil, nil
+	}
+
 	bResp, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err