From c2dd9a7338f35c8bb7e0a741251a2a01726915c5 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sun, 9 Oct 2016 10:02:04 +0800
Subject: [PATCH] terraform: Provier.Diff (shadow) deep copy the config before
 call

---
 terraform/shadow_resource_provider.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/terraform/shadow_resource_provider.go b/terraform/shadow_resource_provider.go
index 4535660e3..65e5617ef 100644
--- a/terraform/shadow_resource_provider.go
+++ b/terraform/shadow_resource_provider.go
@@ -172,11 +172,12 @@ func (p *shadowResourceProviderReal) Diff(
 	desired *ResourceConfig) (*InstanceDiff, error) {
 	// Thse have to be copied before the call since call can modify
 	stateCopy := state.DeepCopy()
+	desiredCopy := desired.DeepCopy()
 
 	result, err := p.ResourceProvider.Diff(info, state, desired)
 	p.Shared.Diff.SetValue(info.uniqueId(), &shadowResourceProviderDiff{
 		State:     stateCopy,
-		Desired:   desired,
+		Desired:   desiredCopy,
 		Result:    result.DeepCopy(),
 		ResultErr: err,
 	})