1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/github.com/hashicorp/terraform/config/module/tree_gob.go b/vendor/github.com/hashicorp/terraform/config/module/tree_gob.go
new file mode 100644
index 00000000..fcd37f4e
--- /dev/null
+++ b/vendor/github.com/hashicorp/terraform/config/module/tree_gob.go
@@ -0,0 +1,57 @@
+package module
+
+import (
+	"bytes"
+	"encoding/gob"
+
+	"github.com/hashicorp/terraform/config"
+)
+
+func (t *Tree) GobDecode(bs []byte) error {
+	t.lock.Lock()
+	defer t.lock.Unlock()
+
+	// Decode the gob data
+	var data treeGob
+	dec := gob.NewDecoder(bytes.NewReader(bs))
+	if err := dec.Decode(&data); err != nil {
+		return err
+	}
+
+	// Set the fields
+	t.name = data.Name
+	t.config = data.Config
+	t.children = data.Children
+	t.path = data.Path
+
+	return nil
+}
+
+func (t *Tree) GobEncode() ([]byte, error) {
+	data := &treeGob{
+		Config:   t.config,
+		Children: t.children,
+		Name:     t.name,
+		Path:     t.path,
+	}
+
+	var buf bytes.Buffer
+	enc := gob.NewEncoder(&buf)
+	if err := enc.Encode(data); err != nil {
+		return nil, err
+	}
+
+	return buf.Bytes(), nil
+}
+
+// treeGob is used as a structure to Gob encode a tree.
+//
+// This structure is private so it can't be referenced but the fields are
+// public, allowing Gob to properly encode this. When we decode this, we are
+// able to turn it into a Tree.
+type treeGob struct {
+	Config   *config.Config
+	Children map[string]*Tree
+	Name     string
+	Path     []string
+}