From dc555d6b5bd6355183b8983ade529577b586534a Mon Sep 17 00:00:00 2001
From: Andrey Levkin <alevkin@undev.ru>
Date: Thu, 24 Jul 2014 15:16:57 +0400
Subject: [PATCH 1/2] Change creating boxes for customizing metadata.json.

---
 post-processor/vagrant/post-processor.go | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/post-processor/vagrant/post-processor.go b/post-processor/vagrant/post-processor.go
index 8fb486edb..25275bc24 100644
--- a/post-processor/vagrant/post-processor.go
+++ b/post-processor/vagrant/post-processor.go
@@ -101,16 +101,6 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 	}
 	defer os.RemoveAll(dir)
 
-	// Copy all of the includes files into the temporary directory
-	for _, src := range config.Include {
-		ui.Message(fmt.Sprintf("Copying from include: %s", src))
-		dst := filepath.Join(dir, filepath.Base(src))
-		if err := CopyContents(dst, src); err != nil {
-			err = fmt.Errorf("Error copying include file: %s\n\n%s", src, err)
-			return nil, false, err
-		}
-	}
-
 	// Run the provider processing step
 	vagrantfile, metadata, err := provider.Process(ui, artifact, dir)
 	if err != nil {
@@ -122,6 +112,16 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 		return nil, false, err
 	}
 
+	// Copy all of the includes files into the temporary directory
+	for _, src := range config.Include {
+		ui.Message(fmt.Sprintf("Copying from include: %s", src))
+		dst := filepath.Join(dir, filepath.Base(src))
+		if err := CopyContents(dst, src); err != nil {
+			err = fmt.Errorf("Error copying include file: %s\n\n%s", src, err)
+			return nil, false, err
+		}
+	}
+
 	// Write our Vagrantfile
 	var customVagrantfile string
 	if config.VagrantfileTemplate != "" {

From e0c628508892ffcac9de49869097b0c9ef9a5adc Mon Sep 17 00:00:00 2001
From: Andrey Levkin <alevkin@undev.ru>
Date: Thu, 24 Jul 2014 17:39:21 +0400
Subject: [PATCH 2/2] Change creating boxes for customizing metadata.json

---
 post-processor/vagrant/post-processor.go | 20 ++++++++++----------
 post-processor/vagrant/util.go           | 17 ++++++++++-------
 2 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/post-processor/vagrant/post-processor.go b/post-processor/vagrant/post-processor.go
index 25275bc24..8fb486edb 100644
--- a/post-processor/vagrant/post-processor.go
+++ b/post-processor/vagrant/post-processor.go
@@ -101,6 +101,16 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 	}
 	defer os.RemoveAll(dir)
 
+	// Copy all of the includes files into the temporary directory
+	for _, src := range config.Include {
+		ui.Message(fmt.Sprintf("Copying from include: %s", src))
+		dst := filepath.Join(dir, filepath.Base(src))
+		if err := CopyContents(dst, src); err != nil {
+			err = fmt.Errorf("Error copying include file: %s\n\n%s", src, err)
+			return nil, false, err
+		}
+	}
+
 	// Run the provider processing step
 	vagrantfile, metadata, err := provider.Process(ui, artifact, dir)
 	if err != nil {
@@ -112,16 +122,6 @@ func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (pac
 		return nil, false, err
 	}
 
-	// Copy all of the includes files into the temporary directory
-	for _, src := range config.Include {
-		ui.Message(fmt.Sprintf("Copying from include: %s", src))
-		dst := filepath.Join(dir, filepath.Base(src))
-		if err := CopyContents(dst, src); err != nil {
-			err = fmt.Errorf("Error copying include file: %s\n\n%s", src, err)
-			return nil, false, err
-		}
-	}
-
 	// Write our Vagrantfile
 	var customVagrantfile string
 	if config.VagrantfileTemplate != "" {
diff --git a/post-processor/vagrant/util.go b/post-processor/vagrant/util.go
index db695289a..6c558a1c4 100644
--- a/post-processor/vagrant/util.go
+++ b/post-processor/vagrant/util.go
@@ -130,12 +130,15 @@ func DirToBox(dst, dir string, ui packer.Ui, level int) error {
 
 // WriteMetadata writes the "metadata.json" file for a Vagrant box.
 func WriteMetadata(dir string, contents interface{}) error {
-	f, err := os.Create(filepath.Join(dir, "metadata.json"))
-	if err != nil {
-		return err
-	}
-	defer f.Close()
+	if _, err := os.Stat(filepath.Join(dir, "metadata.json")); os.IsNotExist(err) {
+		f, err := os.Create(filepath.Join(dir, "metadata.json"))
+		if err != nil {
+			return err
+		}
+		defer f.Close()
 
-	enc := json.NewEncoder(f)
-	return enc.Encode(contents)
+		enc := json.NewEncoder(f)
+		return enc.Encode(contents)
+	}
+	return nil
 }