40 lines
751 B
Go
40 lines
751 B
Go
package getter
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
"github.com/ulikunitz/xz"
|
|
)
|
|
|
|
// TarXzDecompressor is an implementation of Decompressor that can
|
|
// decompress tar.xz files.
|
|
type TarXzDecompressor struct{}
|
|
|
|
func (d *TarXzDecompressor) Decompress(dst, src string, dir bool) error {
|
|
// If we're going into a directory we should make that first
|
|
mkdir := dst
|
|
if !dir {
|
|
mkdir = filepath.Dir(dst)
|
|
}
|
|
if err := os.MkdirAll(mkdir, 0755); err != nil {
|
|
return err
|
|
}
|
|
|
|
// File first
|
|
f, err := os.Open(src)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
// xz compression is second
|
|
txzR, err := xz.NewReader(f)
|
|
if err != nil {
|
|
return fmt.Errorf("Error opening an xz reader for %s: %s", src, err)
|
|
}
|
|
|
|
return untar(txzR, dst, src, dir)
|
|
}
|