fix artifact generation

builder/oracle/classic/artifact.go

@@ -2,8 +2,6 @@ package classic
 
 import (
 	"fmt"
-
-	"github.com/hashicorp/go-oracle-terraform/compute"
 )
 
 // Artifact is an artifact implementation that contains Image List
@@ -12,7 +10,6 @@ type Artifact struct {
 	MachineImageName string
 	MachineImageFile string
 	ImageListVersion int
-	driver           *compute.ComputeClient
 }
 
 // BuilderId uniquely identifies the builder.

builder/oracle/classic/builder.go

@@ -165,9 +165,8 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		return nil, rawErr.(error)
 	}
 
-	// TODO fix me
 	// If there is no snapshot, then just return
-	if _, ok := state.GetOk("snapshot"); !ok {
+	if _, ok := state.GetOk("machine_image"); !ok {
 		return nil, nil
 	}
 
@@ -176,7 +175,6 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 		ImageListVersion: state.Get("image_list_version").(int),
 		MachineImageName: state.Get("machine_image_name").(string),
 		MachineImageFile: state.Get("machine_image_file").(string),
-		driver:           client,
 	}
 
 	return artifact, nil