From 3704aaa2fd7b322bdc79e1614ef509b072a9b201 Mon Sep 17 00:00:00 2001
From: "hashicorp-copywrite[bot]"
 <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
Date: Wed, 1 Feb 2023 17:17:22 +0000
Subject: [PATCH] [COMPLIANCE] Add Copyright and License Headers

---
 .circleci/config.yml                        | 3 +++
 .github/dependabot.yml                      | 3 +++
 action.go                                   | 3 +++
 cmd/round-trip-dumper/main.go               | 3 +++
 config.go                                   | 3 +++
 config_test.go                              | 3 +++
 expression.go                               | 3 +++
 expression_test.go                          | 3 +++
 parse_test.go                               | 3 +++
 plan.go                                     | 3 +++
 plan_test.go                                | 3 +++
 sanitize/copy.go                            | 3 +++
 sanitize/copy_test.go                       | 3 +++
 sanitize/sanitize_change.go                 | 3 +++
 sanitize/sanitize_change_test.go            | 3 +++
 sanitize/sanitize_plan.go                   | 3 +++
 sanitize/sanitize_plan_test.go              | 3 +++
 sanitize/sanitize_plan_variables.go         | 3 +++
 sanitize/sanitize_plan_variables_test.go    | 3 +++
 sanitize/sanitize_state.go                  | 3 +++
 sanitize/sanitize_state_test.go             | 3 +++
 schemas.go                                  | 3 +++
 schemas_test.go                             | 3 +++
 state.go                                    | 3 +++
 state_test.go                               | 3 +++
 testdata/013_module_depends_on/main.tf      | 3 +++
 testdata/110_basic/foo/main.tf              | 3 +++
 testdata/110_basic/module.tf                | 3 +++
 testdata/110_basic/outputs.tf               | 3 +++
 testdata/110_basic/providers.tf             | 3 +++
 testdata/110_basic/resources.tf             | 3 +++
 testdata/110_basic/variables.tf             | 3 +++
 testdata/110_sensitive_values/foo/main.tf   | 3 +++
 testdata/110_sensitive_values/module.tf     | 3 +++
 testdata/110_sensitive_values/outputs.tf    | 3 +++
 testdata/110_sensitive_values/providers.tf  | 3 +++
 testdata/110_sensitive_values/resources.tf  | 3 +++
 testdata/110_sensitive_values/variables.tf  | 3 +++
 testdata/120_basic/foo/main.tf              | 3 +++
 testdata/120_basic/module.tf                | 3 +++
 testdata/120_basic/outputs.tf               | 3 +++
 testdata/120_basic/providers.tf             | 3 +++
 testdata/120_basic/resources.tf             | 3 +++
 testdata/120_basic/variables.tf             | 3 +++
 testdata/basic/foo/main.tf                  | 3 +++
 testdata/basic/module.tf                    | 3 +++
 testdata/basic/outputs.tf                   | 3 +++
 testdata/basic/providers.tf                 | 3 +++
 testdata/basic/resources.tf                 | 3 +++
 testdata/basic/variables.tf                 | 3 +++
 testdata/config_resource_depends_on/main.tf | 3 +++
 testdata/deep_module/foo/bar/main.tf        | 3 +++
 testdata/deep_module/foo/main.tf            | 3 +++
 testdata/deep_module/main.tf                | 3 +++
 testdata/explicit_null/main.tf              | 3 +++
 testdata/explicit_null/terraform.tfvars     | 3 +++
 testdata/has_changes/foo/main.tf            | 3 +++
 testdata/has_changes/module.tf              | 3 +++
 testdata/has_changes/outputs.tf             | 3 +++
 testdata/has_changes/providers.tf           | 3 +++
 testdata/has_changes/resources.tf           | 3 +++
 testdata/has_changes/variables.tf           | 3 +++
 testdata/nested_config_keys/main.tf         | 3 +++
 testdata/no_changes/foo/main.tf             | 3 +++
 testdata/no_changes/module.tf               | 3 +++
 testdata/no_changes/outputs.tf              | 3 +++
 testdata/no_changes/providers.tf            | 3 +++
 testdata/no_changes/resources.tf            | 3 +++
 testdata/no_changes/variables.tf            | 3 +++
 testdata/output_depends_on/main.tf          | 3 +++
 testdata/provider_version/main.tf           | 3 +++
 testdata/registry_module/main.tf            | 3 +++
 tfjson.go                                   | 3 +++
 validate.go                                 | 3 +++
 validate_test.go                            | 3 +++
 version.go                                  | 3 +++
 version_test.go                             | 3 +++
 77 files changed, 231 insertions(+)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3bdb097..122ddcf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 version: 2
 
 references:
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index eed0ba6..3e570e6 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 version: 2
 updates:
   - package-ecosystem: "gomod"
diff --git a/action.go b/action.go
index 51c4c83..c74f7e6 100644
--- a/action.go
+++ b/action.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 // Action is a valid action type for a resource change.
diff --git a/cmd/round-trip-dumper/main.go b/cmd/round-trip-dumper/main.go
index b07e404..92c2270 100644
--- a/cmd/round-trip-dumper/main.go
+++ b/cmd/round-trip-dumper/main.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package main
 
 import (
diff --git a/config.go b/config.go
index 5ebe4bc..e8ea638 100644
--- a/config.go
+++ b/config.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/config_test.go b/config_test.go
index 1cd17fa..c0cf1e0 100644
--- a/config_test.go
+++ b/config_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/expression.go b/expression.go
index 8a39fac..5ecb15c 100644
--- a/expression.go
+++ b/expression.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import "encoding/json"
diff --git a/expression_test.go b/expression_test.go
index aea1eea..1fb74ef 100644
--- a/expression_test.go
+++ b/expression_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/parse_test.go b/parse_test.go
index 78495ef..79c9a66 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/plan.go b/plan.go
index 274006a..70b579c 100644
--- a/plan.go
+++ b/plan.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/plan_test.go b/plan_test.go
index 003e966..c74826d 100644
--- a/plan_test.go
+++ b/plan_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/sanitize/copy.go b/sanitize/copy.go
index 27991fd..01913a1 100644
--- a/sanitize/copy.go
+++ b/sanitize/copy.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/copy_test.go b/sanitize/copy_test.go
index 63bff6c..be7d6a4 100644
--- a/sanitize/copy_test.go
+++ b/sanitize/copy_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_change.go b/sanitize/sanitize_change.go
index 3396438..086cca1 100644
--- a/sanitize/sanitize_change.go
+++ b/sanitize/sanitize_change.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_change_test.go b/sanitize/sanitize_change_test.go
index 775a1f4..0741b2a 100644
--- a/sanitize/sanitize_change_test.go
+++ b/sanitize/sanitize_change_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_plan.go b/sanitize/sanitize_plan.go
index 6d009f0..d03b8fa 100644
--- a/sanitize/sanitize_plan.go
+++ b/sanitize/sanitize_plan.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_plan_test.go b/sanitize/sanitize_plan_test.go
index 18ad5c3..9506423 100644
--- a/sanitize/sanitize_plan_test.go
+++ b/sanitize/sanitize_plan_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_plan_variables.go b/sanitize/sanitize_plan_variables.go
index 7d86a12..b800ebb 100644
--- a/sanitize/sanitize_plan_variables.go
+++ b/sanitize/sanitize_plan_variables.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_plan_variables_test.go b/sanitize/sanitize_plan_variables_test.go
index 19164ce..482b181 100644
--- a/sanitize/sanitize_plan_variables_test.go
+++ b/sanitize/sanitize_plan_variables_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_state.go b/sanitize/sanitize_state.go
index 3aba29b..e1fe1a7 100644
--- a/sanitize/sanitize_state.go
+++ b/sanitize/sanitize_state.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/sanitize/sanitize_state_test.go b/sanitize/sanitize_state_test.go
index 7ca194a..ac7d501 100644
--- a/sanitize/sanitize_state_test.go
+++ b/sanitize/sanitize_state_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package sanitize
 
 import (
diff --git a/schemas.go b/schemas.go
index 027224b..7b0e807 100644
--- a/schemas.go
+++ b/schemas.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/schemas_test.go b/schemas_test.go
index a02ffba..5044559 100644
--- a/schemas_test.go
+++ b/schemas_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/state.go b/state.go
index 3c3f6a4..02f0dc6 100644
--- a/state.go
+++ b/state.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/state_test.go b/state_test.go
index c1b9fa4..dee9021 100644
--- a/state_test.go
+++ b/state_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/testdata/013_module_depends_on/main.tf b/testdata/013_module_depends_on/main.tf
index 5142ecf..69bbfad 100644
--- a/testdata/013_module_depends_on/main.tf
+++ b/testdata/013_module_depends_on/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
     source = "vancluever/module/null"
 
diff --git a/testdata/110_basic/foo/main.tf b/testdata/110_basic/foo/main.tf
index 6c96638..c982366 100644
--- a/testdata/110_basic/foo/main.tf
+++ b/testdata/110_basic/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform {
   required_providers {
     null = {
diff --git a/testdata/110_basic/module.tf b/testdata/110_basic/module.tf
index 26a3ebe..748acf8 100644
--- a/testdata/110_basic/module.tf
+++ b/testdata/110_basic/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/110_basic/outputs.tf b/testdata/110_basic/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/110_basic/outputs.tf
+++ b/testdata/110_basic/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/110_basic/providers.tf b/testdata/110_basic/providers.tf
index e2b7d2e..ff1a6f2 100644
--- a/testdata/110_basic/providers.tf
+++ b/testdata/110_basic/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform {
   required_providers {
     null = {
diff --git a/testdata/110_basic/resources.tf b/testdata/110_basic/resources.tf
index d0d408a..8b56d9b 100644
--- a/testdata/110_basic/resources.tf
+++ b/testdata/110_basic/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/110_basic/variables.tf b/testdata/110_basic/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/110_basic/variables.tf
+++ b/testdata/110_basic/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/110_sensitive_values/foo/main.tf b/testdata/110_sensitive_values/foo/main.tf
index 7e23c1e..9d5bbd8 100644
--- a/testdata/110_sensitive_values/foo/main.tf
+++ b/testdata/110_sensitive_values/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "bar" {
   type = string
 }
diff --git a/testdata/110_sensitive_values/module.tf b/testdata/110_sensitive_values/module.tf
index 26a3ebe..748acf8 100644
--- a/testdata/110_sensitive_values/module.tf
+++ b/testdata/110_sensitive_values/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/110_sensitive_values/outputs.tf b/testdata/110_sensitive_values/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/110_sensitive_values/outputs.tf
+++ b/testdata/110_sensitive_values/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/110_sensitive_values/providers.tf b/testdata/110_sensitive_values/providers.tf
index 502945b..23ef26c 100644
--- a/testdata/110_sensitive_values/providers.tf
+++ b/testdata/110_sensitive_values/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform {
   required_providers {
     null = {
diff --git a/testdata/110_sensitive_values/resources.tf b/testdata/110_sensitive_values/resources.tf
index d0d408a..8b56d9b 100644
--- a/testdata/110_sensitive_values/resources.tf
+++ b/testdata/110_sensitive_values/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/110_sensitive_values/variables.tf b/testdata/110_sensitive_values/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/110_sensitive_values/variables.tf
+++ b/testdata/110_sensitive_values/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/120_basic/foo/main.tf b/testdata/120_basic/foo/main.tf
index 6c96638..c982366 100644
--- a/testdata/120_basic/foo/main.tf
+++ b/testdata/120_basic/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform {
   required_providers {
     null = {
diff --git a/testdata/120_basic/module.tf b/testdata/120_basic/module.tf
index 26a3ebe..748acf8 100644
--- a/testdata/120_basic/module.tf
+++ b/testdata/120_basic/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/120_basic/outputs.tf b/testdata/120_basic/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/120_basic/outputs.tf
+++ b/testdata/120_basic/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/120_basic/providers.tf b/testdata/120_basic/providers.tf
index e2b7d2e..ff1a6f2 100644
--- a/testdata/120_basic/providers.tf
+++ b/testdata/120_basic/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 terraform {
   required_providers {
     null = {
diff --git a/testdata/120_basic/resources.tf b/testdata/120_basic/resources.tf
index d0d408a..8b56d9b 100644
--- a/testdata/120_basic/resources.tf
+++ b/testdata/120_basic/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/120_basic/variables.tf b/testdata/120_basic/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/120_basic/variables.tf
+++ b/testdata/120_basic/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/basic/foo/main.tf b/testdata/basic/foo/main.tf
index 8c48a85..ffa6741 100644
--- a/testdata/basic/foo/main.tf
+++ b/testdata/basic/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "bar" {
   type = "string"
 }
diff --git a/testdata/basic/module.tf b/testdata/basic/module.tf
index 236fdac..0093efe 100644
--- a/testdata/basic/module.tf
+++ b/testdata/basic/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/basic/outputs.tf b/testdata/basic/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/basic/outputs.tf
+++ b/testdata/basic/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/basic/providers.tf b/testdata/basic/providers.tf
index 4d48120..121e8e7 100644
--- a/testdata/basic/providers.tf
+++ b/testdata/basic/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 provider "null" {}
 
 provider "aws" {
diff --git a/testdata/basic/resources.tf b/testdata/basic/resources.tf
index 1d4a8e8..2584f74 100644
--- a/testdata/basic/resources.tf
+++ b/testdata/basic/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/basic/variables.tf b/testdata/basic/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/basic/variables.tf
+++ b/testdata/basic/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/config_resource_depends_on/main.tf b/testdata/config_resource_depends_on/main.tf
index 4eede79..aeb2abb 100644
--- a/testdata/config_resource_depends_on/main.tf
+++ b/testdata/config_resource_depends_on/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {}
 
 resource "null_resource" "bar" {
diff --git a/testdata/deep_module/foo/bar/main.tf b/testdata/deep_module/foo/bar/main.tf
index 87b7dc3..ca0b1cd 100644
--- a/testdata/deep_module/foo/bar/main.tf
+++ b/testdata/deep_module/foo/bar/main.tf
@@ -1 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "baz" {}
diff --git a/testdata/deep_module/foo/main.tf b/testdata/deep_module/foo/main.tf
index 88d61ea..7ed7c97 100644
--- a/testdata/deep_module/foo/main.tf
+++ b/testdata/deep_module/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "bar" {
   source = "./bar"
 }
diff --git a/testdata/deep_module/main.tf b/testdata/deep_module/main.tf
index 9ae1dbe..0227248 100644
--- a/testdata/deep_module/main.tf
+++ b/testdata/deep_module/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 }
diff --git a/testdata/explicit_null/main.tf b/testdata/explicit_null/main.tf
index 0970874..0e91c13 100644
--- a/testdata/explicit_null/main.tf
+++ b/testdata/explicit_null/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "one" {
   type = "string"
 }
diff --git a/testdata/explicit_null/terraform.tfvars b/testdata/explicit_null/terraform.tfvars
index 6180694..3d12b95 100644
--- a/testdata/explicit_null/terraform.tfvars
+++ b/testdata/explicit_null/terraform.tfvars
@@ -1 +1,4 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 one = "two"
diff --git a/testdata/has_changes/foo/main.tf b/testdata/has_changes/foo/main.tf
index f3d0b00..bb2a83c 100644
--- a/testdata/has_changes/foo/main.tf
+++ b/testdata/has_changes/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "bar" {
   type = "string"
 }
diff --git a/testdata/has_changes/module.tf b/testdata/has_changes/module.tf
index 236fdac..0093efe 100644
--- a/testdata/has_changes/module.tf
+++ b/testdata/has_changes/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/has_changes/outputs.tf b/testdata/has_changes/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/has_changes/outputs.tf
+++ b/testdata/has_changes/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/has_changes/providers.tf b/testdata/has_changes/providers.tf
index 4d48120..121e8e7 100644
--- a/testdata/has_changes/providers.tf
+++ b/testdata/has_changes/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 provider "null" {}
 
 provider "aws" {
diff --git a/testdata/has_changes/resources.tf b/testdata/has_changes/resources.tf
index 1d4a8e8..2584f74 100644
--- a/testdata/has_changes/resources.tf
+++ b/testdata/has_changes/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/has_changes/variables.tf b/testdata/has_changes/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/has_changes/variables.tf
+++ b/testdata/has_changes/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/nested_config_keys/main.tf b/testdata/nested_config_keys/main.tf
index 4a43a15..d9d3000 100644
--- a/testdata/nested_config_keys/main.tf
+++ b/testdata/nested_config_keys/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 provider "aws" {
   region = "us-east-1"
 }
diff --git a/testdata/no_changes/foo/main.tf b/testdata/no_changes/foo/main.tf
index f3d0b00..bb2a83c 100644
--- a/testdata/no_changes/foo/main.tf
+++ b/testdata/no_changes/foo/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "bar" {
   type = "string"
 }
diff --git a/testdata/no_changes/module.tf b/testdata/no_changes/module.tf
index 236fdac..0093efe 100644
--- a/testdata/no_changes/module.tf
+++ b/testdata/no_changes/module.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "foo" {
   source = "./foo"
 
diff --git a/testdata/no_changes/outputs.tf b/testdata/no_changes/outputs.tf
index 1e2a453..c2d5312 100644
--- a/testdata/no_changes/outputs.tf
+++ b/testdata/no_changes/outputs.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 output "foo" {
   sensitive = true
   value     = "bar"
diff --git a/testdata/no_changes/providers.tf b/testdata/no_changes/providers.tf
index 4d48120..121e8e7 100644
--- a/testdata/no_changes/providers.tf
+++ b/testdata/no_changes/providers.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 provider "null" {}
 
 provider "aws" {
diff --git a/testdata/no_changes/resources.tf b/testdata/no_changes/resources.tf
index 1d4a8e8..2584f74 100644
--- a/testdata/no_changes/resources.tf
+++ b/testdata/no_changes/resources.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {
   triggers = {
     foo = "bar"
diff --git a/testdata/no_changes/variables.tf b/testdata/no_changes/variables.tf
index 3964e7a..3aaf377 100644
--- a/testdata/no_changes/variables.tf
+++ b/testdata/no_changes/variables.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 variable "foo" {
   description = "foobar"
   default     = "bar"
diff --git a/testdata/output_depends_on/main.tf b/testdata/output_depends_on/main.tf
index c3dc56c..88b1b84 100644
--- a/testdata/output_depends_on/main.tf
+++ b/testdata/output_depends_on/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 resource "null_resource" "foo" {}
 
 resource "null_resource" "bar" {}
diff --git a/testdata/provider_version/main.tf b/testdata/provider_version/main.tf
index 8200c58..1f96cf8 100644
--- a/testdata/provider_version/main.tf
+++ b/testdata/provider_version/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 provider "null" {
   version = "~> 2.1"
 }
diff --git a/testdata/registry_module/main.tf b/testdata/registry_module/main.tf
index f512d2c..c8c05d8 100644
--- a/testdata/registry_module/main.tf
+++ b/testdata/registry_module/main.tf
@@ -1,3 +1,6 @@
+# Copyright (c) HashiCorp, Inc.
+# SPDX-License-Identifier: MPL-2.0
+
 module "module" {
   source  = "vancluever/module/null"
   version = "~> 1.0.1"
diff --git a/tfjson.go b/tfjson.go
index 55f9ac4..3a78a4f 100644
--- a/tfjson.go
+++ b/tfjson.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 // Package tfjson is a de-coupled helper library containing types for
 // the plan format output by "terraform show -json" command. This
 // command is designed for the export of Terraform plan data in
diff --git a/validate.go b/validate.go
index 97b82d0..53652ef 100644
--- a/validate.go
+++ b/validate.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/validate_test.go b/validate_test.go
index c876045..6b7860f 100644
--- a/validate_test.go
+++ b/validate_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (
diff --git a/version.go b/version.go
index 16f0a85..7516ad6 100644
--- a/version.go
+++ b/version.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 // VersionOutput represents output from the version -json command
diff --git a/version_test.go b/version_test.go
index dcd7317..b935fbd 100644
--- a/version_test.go
+++ b/version_test.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package tfjson
 
 import (