From 84c185ae434f1c938857dc16402983a33d3b85a6 Mon Sep 17 00:00:00 2001
From: Joona Hoikkala <joohoi@users.noreply.github.com>
Date: Sun, 12 Aug 2018 20:19:58 +0300
Subject: [PATCH] Default value for added configuration option to keep
 backwards compatibility with old config (#103)

---
 util.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util.go b/util.go
index 56908c73..695c6c4b 100644
--- a/util.go
+++ b/util.go
@@ -49,6 +49,12 @@ func prepareConfig(conf DNSConfig) (DNSConfig, error) {
 	if conf.Database.Connection == "" {
 		return conf, errors.New("missing database configuration option \"connection\"")
 	}
+
+	// Default values for options added to config to keep backwards compatibility with old config
+	if conf.API.ACMECacheDir == "" {
+		conf.API.ACMECacheDir = "api-certs"
+	}
+
 	return conf, nil
 }