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lazygit/vendor/github.com/jesseduffield/go-getter/decompress_txz.go

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2018-08-25 09:36:16 +02:00
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)
}