From e107128b7d292d7f86e9a8f9ad2e2f08dd534f7b Mon Sep 17 00:00:00 2001
From: lucklove <gnu.crazier@gmail.com>
Date: Wed, 7 Apr 2021 11:21:11 +0800
Subject: [PATCH] Fix lint

---
 pkg/cluster/spec/server_config.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkg/cluster/spec/server_config.go b/pkg/cluster/spec/server_config.go
index 310a7a1981..9ae35a9fa0 100644
--- a/pkg/cluster/spec/server_config.go
+++ b/pkg/cluster/spec/server_config.go
@@ -143,6 +143,23 @@ func FlattenMap(ms map[string]interface{}) map[string]interface{} {
 	return result
 }
 
+// MergeConfig merge two or more config into one and unflat them
+// config1:
+//   a.b.a: 1
+//   a.b.b: 2
+// config2:
+//   a.b.a: 3
+//   a.b.c: 4
+// config3:
+//   b.c = 5
+// After MergeConfig(config1, config2, config3):
+//   a:
+//     b:
+//       a: 3
+//       b: 2
+//       c: 4
+//   b:
+//     c: 5
 func MergeConfig(orig map[string]interface{}, overwrites ...map[string]interface{}) map[string]interface{} {
 	lhs := FoldMap(orig)
 	for _, overwrite := range overwrites {