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package getter
import (
"compress/gzip"
"fmt"
"os"
"path/filepath"
)
// TarGzipDecompressor is an implementation of Decompressor that can
// decompress tar.gzip files.
type TarGzipDecompressor struct{}
func (d *TarGzipDecompressor) 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()
// Gzip compression is second
gzipR, err := gzip.NewReader(f)
if err != nil {
return fmt.Errorf("Error opening a gzip reader for %s: %s", src, err)
}
defer gzipR.Close()
return untar(gzipR, dst, src, dir)
}
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