From f0b699eabba56ef3057561779dc30fafc5c07064 Mon Sep 17 00:00:00 2001
From: Ben Foster <bpfoster@gmail.com>
Date: Thu, 7 Aug 2025 11:26:59 -0400
Subject: [PATCH] fix null merge

(cherry-picked from commit c1175a410656c97050b5079b5afb475217663a99)

Signed-off-by: Ben Foster <bpfoster@gmail.com>
---
 pkg/chartutil/coalesce.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkg/chartutil/coalesce.go b/pkg/chartutil/coalesce.go
index 40bce2a68..4aa28e222 100644
--- a/pkg/chartutil/coalesce.go
+++ b/pkg/chartutil/coalesce.go
@@ -283,6 +283,11 @@ func coalesceTablesFullKey(printf printFn, dst, src map[string]interface{}, pref
 	if dst == nil {
 		return src
 	}
+	for key, val := range dst {
+		if val == nil {
+			src[key] = nil
+		}
+	}
 	// Because dest has higher precedence than src, dest values override src
 	// values.
 	for key, val := range src {