builder/virtualbox: add boot_command

builder/virtualbox/builder.go

@@ -23,6 +23,7 @@ type Builder struct {
 }
 
 type config struct {
+	BootCommand    []string      `mapstructure:"boot_command"`
 	BootWait       time.Duration ``
 	GuestOSType    string        `mapstructure:"guest_os_type"`
 	ISOMD5         string        `mapstructure:"iso_md5"`

builder/virtualbox/builder_test.go

@@ -169,4 +169,3 @@ func TestBuilderPrepare_SSHHostPort(t *testing.T) {
 		t.Fatalf("should not have error: %s", err)
 	}
 }
-

builder/virtualbox/step_create_disk.go

@@ -10,7 +10,7 @@ import (
 
 // This step creates the virtual disk that will be used as the
 // hard drive for the virtual machine.
-type stepCreateDisk struct {}
+type stepCreateDisk struct{}
 
 func (s *stepCreateDisk) Run(state map[string]interface{}) multistep.StepAction {
 	config := state["config"].(*config)

builder/virtualbox/step_run.go

@@ -12,7 +12,7 @@ import (
 // Uses:
 //
 // Produces:
-type stepRun struct{
+type stepRun struct {
 	vmName string
 }