From 6d56a2ac86afc6be4fed86d3ea357e8faed1bb12 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Thu, 7 May 2015 13:10:25 -0700
Subject: [PATCH] terraform: comment

---
 terraform/transform_flatten.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/terraform/transform_flatten.go b/terraform/transform_flatten.go
index eb331ccefa..886b6b64dc 100644
--- a/terraform/transform_flatten.go
+++ b/terraform/transform_flatten.go
@@ -53,6 +53,8 @@ func (t *FlattenTransformer) Transform(g *Graph) error {
 
 		// Go through the subgraph and flatten all the nodes
 		for _, sv := range subgraph.Vertices() {
+			// If the vertex already has a subpath then we assume it has
+			// already been flattened. Ignore it.
 			if _, ok := sv.(GraphNodeSubPath); ok {
 				continue
 			}