github.com/marksheahan/packer@v0.10.2-0.20160613200515-1acb2d6645a0/builder/virtualbox/common/vbox_version_config.go (about)

     1  package common
     2  
     3  import (
     4  	"github.com/mitchellh/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 == "" {
    13  		c.VBoxVersionFile = ".vbox_version"
    14  	}
    15  
    16  	return nil
    17  }