Add calling code and skeleton driver to make tests pass

builder/hyperv/common/driver.go

@@ -96,6 +96,8 @@ type Driver interface {
 
 	PreserveLegacyExportBehaviour(string, string) error
 
+	MoveCreatedVHDsToOutputDir(string, string) error
+
 	CompactDisks(string) (string, error)
 
 	RestartVirtualMachine(string) error

builder/hyperv/common/driver_ps_4.go

@@ -223,6 +223,12 @@ func (d *HypervPS4Driver) PreserveLegacyExportBehaviour(srcPath string, dstPath
 	return hyperv.PreserveLegacyExportBehaviour(srcPath, dstPath)
 }
 
+func (d *HypervPS4Driver) MoveCreatedVHDsToOutputDir(srcPath string, dstPath string) error {
+	// Not implemented yet
+	err := fmt.Errorf("Not implemented yet")
+	return err
+}
+
 func (d *HypervPS4Driver) CompactDisks(path string) (result string, err error) {
 	return hyperv.CompactDisks(path)
 }

builder/hyperv/common/step_collate_artifacts.go

@@ -22,11 +22,20 @@ func (s *StepCollateArtifacts) Run(_ context.Context, state multistep.StateBag)
 	ui.Say("Collating build artifacts...")
 
 	if s.SkipExport {
+		// Get the path to the main build directory from the statebag
+		var packerTempDir string
+		if v, ok := state.GetOk("packerTempDir"); ok {
+			packerTempDir = v.(string)
+		}
 		// If the user has chosen to skip a full export of the VM the only
 		// artifacts that they are interested in will be the VHDs
-
-		// TODO: Grab the disks from the build directory and place them in
-		// a folder named 'Virtual Hard Disks' under the output directory
+		err := driver.MoveCreatedVHDsToOutputDir(packerTempDir, s.OutputDir)
+		if err != nil {
+			err = fmt.Errorf("Error moving VHDs from build dir to output dir: %s", err)
+			state.Put("error", err)
+			ui.Error(err.Error())
+			return multistep.ActionHalt
+		}
 	} else {
 		// Get the full path to the export directory from the statebag
 		var exportPath string