packer-cn/builder/hyperv/common/output_config.go

29 lines
620 B
Go

package common
import (
"fmt"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/template/interpolate"
"os"
)
type OutputConfig struct {
OutputDir string `mapstructure:"output_directory"`
}
func (c *OutputConfig) Prepare(ctx *interpolate.Context, pc *common.PackerConfig) []error {
if c.OutputDir == "" {
c.OutputDir = fmt.Sprintf("output-%s", pc.PackerBuildName)
}
var errs []error
if !pc.PackerForce {
if _, err := os.Stat(c.OutputDir); err == nil {
errs = append(errs, fmt.Errorf(
"Output directory '%s' already exists. It must not exist.", c.OutputDir))
}
}
return errs
}