From 25bfd4aa43937b4f3bf799792549855325b5c007 Mon Sep 17 00:00:00 2001
From: Adrien Delorme <adrien.delorme@icloud.com>
Date: Mon, 24 Sep 2018 16:24:43 +0200
Subject: [PATCH] document wrapConfig a little

---
 main.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main.go b/main.go
index 025f76ba7..16ec61b41 100644
--- a/main.go
+++ b/main.go
@@ -37,6 +37,9 @@ func main() {
 // realMain is executed from main and returns the exit status to exit with.
 func realMain() int {
 	var wrapConfig panicwrap.WrapConfig
+	// When following env variable is set, packer
+	// wont panic wrap itself as it's already wrapped.
+	// i.e.: when terraform runs it.
 	wrapConfig.CookieKey = "PACKER_WRAP_COOKIE"
 	wrapConfig.CookieValue = "49C22B1A-3A93-4C98-97FA-E07D18C787B5"