vendor: github.com/hashicorp/terraform/...@v0.10.0

[github/fretlink/terraform-provider-statuscake.git] / vendor / github.com / hashicorp / terraform / terraform / eval_diff.go

diff --git a/vendor/github.com/hashicorp/terraform/terraform/eval_diff.go b/vendor/github.com/hashicorp/terraform/terraform/eval_diff.go
index 6f09526a4c144cab5ef58332c41c186838ea41b0..c35f9083f89cefcdd162e17c05596ec31da720ce 100644 (file)
--- a/vendor/github.com/hashicorp/terraform/terraform/eval_diff.go
+++ b/vendor/github.com/hashicorp/terraform/terraform/eval_diff.go
@@ -81,6 +81,12 @@ type EvalDiff struct {
        // Resource is needed to fetch the ignore_changes list so we can
        // filter user-requested ignored attributes from the diff.
        Resource *config.Resource
+
+       // Stub is used to flag the generated InstanceDiff as a stub. This is used to
+       // ensure that the node exists to perform interpolations and generate
+       // computed paths off of, but not as an actual diff where resouces should be
+       // counted, and not as a diff that should be acted on.
+       Stub bool
 }
 
 // TODO: test
@@ -90,11 +96,13 @@ func (n *EvalDiff) Eval(ctx EvalContext) (interface{}, error) {
        provider := *n.Provider
 
        // Call pre-diff hook
-       err := ctx.Hook(func(h Hook) (HookAction, error) {
-               return h.PreDiff(n.Info, state)
-       })
-       if err != nil {
-               return nil, err
+       if !n.Stub {
+               err := ctx.Hook(func(h Hook) (HookAction, error) {
+                       return h.PreDiff(n.Info, state)
+               })
+               if err != nil {
+                       return nil, err
+               }
        }
 
        // The state for the diff must never be nil
@@ -158,15 +166,19 @@ func (n *EvalDiff) Eval(ctx EvalContext) (interface{}, error) {
        }
 
        // Call post-refresh hook
-       err = ctx.Hook(func(h Hook) (HookAction, error) {
-               return h.PostDiff(n.Info, diff)
-       })
-       if err != nil {
-               return nil, err
+       if !n.Stub {
+               err = ctx.Hook(func(h Hook) (HookAction, error) {
+                       return h.PostDiff(n.Info, diff)
+               })
+               if err != nil {
+                       return nil, err
+               }
        }
 
-       // Update our output
-       *n.OutputDiff = diff
+       // Update our output if we care
+       if n.OutputDiff != nil {
+               *n.OutputDiff = diff
+       }
 
        // Update the state if we care
        if n.OutputState != nil {