Restore configuration structure from vtolstov's branch

post-processor/compress/post-processor.go

@@ -2,23 +2,47 @@ package compress
 
 import (
 	"archive/tar"
+	"archive/zip"
+	"compress/flate"
 	"compress/gzip"
 	"fmt"
 	"io"
 	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
 
+	"gopkg.in/yaml.v2"
+
+	"github.com/biogo/hts/bgzf"
+	"github.com/klauspost/pgzip"
 	"github.com/mitchellh/packer/common"
 	"github.com/mitchellh/packer/helper/config"
 	"github.com/mitchellh/packer/packer"
 	"github.com/mitchellh/packer/template/interpolate"
+	"github.com/pierrec/lz4"
 )
 
+type Metadata map[string]Metaitem
+
+type Metaitem struct {
+	CompSize int64  `yaml:"compsize"`
+	OrigSize int64  `yaml:"origsize"`
+	CompType string `yaml:"comptype"`
+	CompDate string `yaml:"compdate"`
+}
+
 type Config struct {
 	common.PackerConfig `mapstructure:",squash"`
-
-	OutputPath string `mapstructure:"output"`
-
-	ctx interpolate.Context
+	OutputPath          string `mapstructure:"output"`
+	OutputFile          string `mapstructure:"file"`
+	Compression         int    `mapstructure:"compression"`
+	Metadata            bool   `mapstructure:"metadata"`
+	NumCPU              int    `mapstructure:"numcpu"`
+	Format              string `mapstructure:"format"`
+	KeepInputArtifact   bool   `mapstructure:"keep_input_artifact"`
+	ctx                 *interpolate.Context
 }
 
 type PostProcessor struct {
@@ -205,7 +229,7 @@ func (p *PostProcessor) cmpTAR(src []string, dst string) ([]string, error) {
 			return nil, fmt.Errorf("tar error on stat of %s: %s", name, err)
 		}
 
-		target, _ := os.Readlink(path)
+		target, _ := os.Readlink(name)
 		header, err := tar.FileInfoHeader(fi, target)
 		if err != nil {
 			return nil, fmt.Errorf("tar error reading info for %s: %s", name, err)