From 06b6cb1af1b74f08e3e7b45e6fb6b8b8f197f036 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Sat, 9 Nov 2013 13:22:13 -0800
Subject: [PATCH] builder/docker: artifact

---
 builder/docker/artifact_export.go      | 32 ++++++++++++++++++++++++++
 builder/docker/artifact_export_test.go | 10 ++++++++
 builder/docker/builder.go              |  4 +++-
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 builder/docker/artifact_export.go
 create mode 100644 builder/docker/artifact_export_test.go

diff --git a/builder/docker/artifact_export.go b/builder/docker/artifact_export.go
new file mode 100644
index 000000000..29cbefb48
--- /dev/null
+++ b/builder/docker/artifact_export.go
@@ -0,0 +1,32 @@
+package docker
+
+import (
+	"fmt"
+	"os"
+)
+
+// ExportArtifact is an Artifact implementation for when a container is
+// exported from docker into a single flat file.
+type ExportArtifact struct {
+	path string
+}
+
+func (*ExportArtifact) BuilderId() string {
+	return BuilderId
+}
+
+func (a *ExportArtifact) Files() []string {
+	return []string{a.path}
+}
+
+func (*ExportArtifact) Id() string {
+	return "Container"
+}
+
+func (a *ExportArtifact) String() string {
+	return fmt.Sprintf("Exported Docker file: %s", a.path)
+}
+
+func (a *ExportArtifact) Destroy() error {
+	return os.Remove(a.path)
+}
diff --git a/builder/docker/artifact_export_test.go b/builder/docker/artifact_export_test.go
new file mode 100644
index 000000000..be7ce2444
--- /dev/null
+++ b/builder/docker/artifact_export_test.go
@@ -0,0 +1,10 @@
+package docker
+
+import (
+	"github.com/mitchellh/packer/packer"
+	"testing"
+)
+
+func TestExportArtifact_impl(t *testing.T) {
+	var _ packer.Artifact = new(ExportArtifact)
+}
diff --git a/builder/docker/builder.go b/builder/docker/builder.go
index 4c52827ed..f42e4b30d 100644
--- a/builder/docker/builder.go
+++ b/builder/docker/builder.go
@@ -78,7 +78,9 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		return nil, rawErr.(error)
 	}
 
-	return nil, nil
+	// No errors, must've worked
+	artifact := &ExportArtifact{path: b.config.ExportPath}
+	return artifact, nil
 }
 
 func (b *Builder) Cancel() {