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