From 53b1db16692c7bf2e654ac125b8676c02154d07a Mon Sep 17 00:00:00 2001
From: Emil Hessman <emil@hessman.se>
Date: Tue, 25 Nov 2014 13:02:32 +0100
Subject: [PATCH] post-processor/vagrant: check if vagrantfile_template exists

Fixes #801
---
 post-processor/vagrant/post-processor.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/post-processor/vagrant/post-processor.go b/post-processor/vagrant/post-processor.go
index 9c8b9c75b..50b80f7cf 100644
--- a/post-processor/vagrant/post-processor.go
+++ b/post-processor/vagrant/post-processor.go
@@ -210,6 +210,13 @@ func (p *PostProcessor) configureSingle(config *Config, raws ...interface{}) err
 		"vagrantfile_template": &config.VagrantfileTemplate,
 	}
 
+	if config.VagrantfileTemplate != "" {
+		_, err := os.Stat(config.VagrantfileTemplate)
+		if err != nil {
+			errs = packer.MultiErrorAppend(errs, fmt.Errorf("vagrantfile_template '%s' does not exist", config.VagrantfileTemplate))
+		}
+	}
+
 	for n, ptr := range validates {
 		if err := config.tpl.Validate(*ptr); err != nil {
 			errs = packer.MultiErrorAppend(