Method Decompress

decompress_zstd.go:20–46

(dst, src string, dir bool, umask os.FileMode)

}

func (d *ZstdDecompressor) Decompress(dst, src string, dir bool, umask os.FileMode) error {
	if dir {
		return fmt.Errorf("zstd-compressed files can only unarchive to a single file")
	}

	// If we're going into a directory we should make that first
	if err := os.MkdirAll(filepath.Dir(dst), mode(0755, umask)); err != nil {
		return err
	}

	// File first
	f, err := os.Open(src)
	if err != nil {
		return err
	}
	defer f.Close()

	// zstd compression is second
	zstdR, err := zstd.NewReader(f)
	if err != nil {
		return err
	}
	defer zstdR.Close()

	// Copy it out, potentially using a file size limit.
	return copyReader(dst, zstdR, 0622, umask, d.FileSizeLimit)
}