// Migrates all previous versions to latest version of `format.json`,
// this code calls migration in sequence, such as V1 is migrated to V2
// first before it V2 migrates to V3.n
func formatErasureMigrate(export string) ([]byte, fs.FileInfo, error) {
	formatPath := pathJoin(export, minioMetaBucket, formatConfigFile)
	formatData, formatFi, err := xioutil.ReadFileWithFileInfo(formatPath)
	if err != nil {
		return nil, nil, err
	}

				return true
			case <-ctx.Done():
				sendErr(context.Cause(ctx))
				return false
			}
		}
		for entry := range merged {
			if opts.LatestOnly {
				fi, err := entry.fileInfo(bucket)
				if err != nil {
					sendErr(err)
					return
				}
				if opts.Filter != nil {
					if opts.Filter(fi) {

		sz = st.Size()
	}
	defer f.Close()
	r = f

	zr, e := zip.NewReader(r.(io.ReaderAt), sz)
	if e != nil {
		return e
	}
	for _, file := range zr.File {
		if !file.FileInfo().IsDir() && strings.HasSuffix(file.Name, "xl.meta") {
			r, e := file.Open()
			if e != nil {
				return e
			}
			// Quote string...
			b, _ := json.Marshal(file.Name)
			if hasWritten {

	bufp := ODirectPoolMedium.Get()
	defer ODirectPoolMedium.Put(bufp)
	buf := *bufp

	return io.CopyBuffer(writerOnly{dst}, src, buf)
}

// SameFile returns if the files are same.
func SameFile(fi1, fi2 os.FileInfo) bool {
	if !os.SameFile(fi1, fi2) {
		return false
	}
	if !fi1.ModTime().Equal(fi2.ModTime()) {
		return false
	}
	if fi1.Mode() != fi2.Mode() {
		return false
	}

	// filter out between versions 'obj' cannot be truncated
	// in such a manner, so look for skipping an object only
	// for regular ListObjects() call only.
	if !o.Versioned && !o.V1 {
		fi, err := obj.fileInfo(o.Bucket)
		if err != nil {
			return skip
		}
		objInfo := fi.ToObjectInfo(o.Bucket, obj.name, versioned)
		if o.Lifecycle != nil {

pkg io/fs, type File interface, Stat() (FileInfo, error)
pkg io/fs, type FileInfo interface { IsDir, ModTime, Mode, Name, Size, Sys }
pkg io/fs, type FileInfo interface, IsDir() bool
pkg io/fs, type FileInfo interface, ModTime() time.Time
pkg io/fs, type FileInfo interface, Mode() FileMode
pkg io/fs, type FileInfo interface, Name() string
pkg io/fs, type FileInfo interface, Size() int64

pkg os, type File struct
pkg os, type FileInfo interface { IsDir, ModTime, Mode, Name, Size, Sys }
pkg os, type FileInfo interface, IsDir() bool
pkg os, type FileInfo interface, ModTime() time.Time
pkg os, type FileInfo interface, Mode() FileMode
pkg os, type FileInfo interface, Name() string
pkg os, type FileInfo interface, Size() int64
pkg os, type FileInfo interface, Sys() interface{}
pkg os, type FileMode uint32

			rpt.SetStatus(bucket, fileName, nil)
		}
	}

	for _, file := range zr.File {
		reader, err := file.Open()
		if err != nil {
			rpt.SetStatus(file.Name, "", err)
			continue
		}
		sz := file.FileInfo().Size()
		slc := strings.Split(file.Name, slashSeparator)
		if len(slc) != 2 { // expecting bucket/configfile in the zipfile
			rpt.SetStatus(file.Name, "", fmt.Errorf("malformed zip - expecting format bucket/<config.json>"))

			}
			if ra, ok := r.(io.ReaderAt); ok && strings.HasSuffix(file, ".zip") {
				zr, err := zip.NewReader(ra, sz)
				if err != nil {
					return err
				}
				for _, file := range zr.File {
					if file.FileInfo().IsDir() {
						continue
					}
					if strings.HasSuffix(file.Name, "xl.meta") {
						r, err := file.Open()
						if err != nil {
							return err
						}
						// Quote string...

		zippedFile, err := file.Open()
		if err != nil {
			return err
		}
		err = func() (err error) {
			defer zippedFile.Close()
			extractedFilePath := filepath.Join(targetDir, file.Name)
			if file.FileInfo().IsDir() {
				return os.MkdirAll(extractedFilePath, file.Mode())
			}
			outputFile, err := os.OpenFile(extractedFilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, file.Mode())
			if err != nil {
				return err