From 107c1cdb09c575aa2f61d97f48d8587eb6bada4c Mon Sep 17 00:00:00 2001
From: Nathan Dench <ndenc2@gmail.com>
Date: Fri, 24 May 2019 15:16:44 +1000
Subject: Upgrade to 0.12

---
 .../hashicorp/terraform/configs/backend.go         | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 vendor/github.com/hashicorp/terraform/configs/backend.go

(limited to 'vendor/github.com/hashicorp/terraform/configs/backend.go')

diff --git a/vendor/github.com/hashicorp/terraform/configs/backend.go b/vendor/github.com/hashicorp/terraform/configs/backend.go
new file mode 100644
index 0000000..6df7ddd
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/configs/backend.go
@@ -0,0 +1,55 @@
+package configs
+
+import (
+	"github.com/hashicorp/hcl2/hcl"
+	"github.com/hashicorp/hcl2/hcldec"
+	"github.com/hashicorp/terraform/configs/configschema"
+	"github.com/zclconf/go-cty/cty"
+)
+
+// Backend represents a "backend" block inside a "terraform" block in a module
+// or file.
+type Backend struct {
+	Type   string
+	Config hcl.Body
+
+	TypeRange hcl.Range
+	DeclRange hcl.Range
+}
+
+func decodeBackendBlock(block *hcl.Block) (*Backend, hcl.Diagnostics) {
+	return &Backend{
+		Type:      block.Labels[0],
+		TypeRange: block.LabelRanges[0],
+		Config:    block.Body,
+		DeclRange: block.DefRange,
+	}, nil
+}
+
+// Hash produces a hash value for the reciever that covers the type and the
+// portions of the config that conform to the given schema.
+//
+// If the config does not conform to the schema then the result is not
+// meaningful for comparison since it will be based on an incomplete result.
+//
+// As an exception, required attributes in the schema are treated as optional
+// for the purpose of hashing, so that an incomplete configuration can still
+// be hashed. Other errors, such as extraneous attributes, have no such special
+// case.
+func (b *Backend) Hash(schema *configschema.Block) int {
+	// Don't fail if required attributes are not set. Instead, we'll just
+	// hash them as nulls.
+	schema = schema.NoneRequired()
+	spec := schema.DecoderSpec()
+	val, _ := hcldec.Decode(b.Config, spec, nil)
+	if val == cty.NilVal {
+		val = cty.UnknownVal(schema.ImpliedType())
+	}
+
+	toHash := cty.TupleVal([]cty.Value{
+		cty.StringVal(b.Type),
+		val,
+	})
+
+	return toHash.Hash()
+}
-- 
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