github.phpd.cn/hashicorp/packer@v1.3.2/builder/virtualbox/common/vbox_version_config.go (about)

     1  package common
     2  
     3  import (
     4  	"github.com/hashicorp/packer/template/interpolate"
     5  )
     6  
     7  type VBoxVersionConfig struct {
     8  	VBoxVersionFile *string `mapstructure:"virtualbox_version_file"`
     9  }
    10  
    11  func (c *VBoxVersionConfig) Prepare(ctx *interpolate.Context) []error {
    12  	if c.VBoxVersionFile == nil {
    13  		default_file := ".vbox_version"
    14  		c.VBoxVersionFile = &default_file
    15  	}
    16  
    17  	return nil
    18  }