You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: store.go
    path of file: ./repos/teller/vendor/github.com/gopasspw/gopass/internal/backend/storage/fs
    
    the code of the file until where you have to start completion: // Package fs implement a password-store compatible on disk storage layout
// with unencrypted paths.
package fs

import (
	"bytes"
	"context"
	"fmt"
	"os"
	"path/filepath"
	"runtime"
	"sort"
	"strings"

	"github.com/blang/semver/v4"
	"github.com/gopasspw/gopass/internal/store"
	"github.com/gopasspw/gopass/pkg/debug"
	"github.com/gopasspw/gopass/pkg/fsutil"
)

// Store is a fs ba
    
func (s *Store) removeEmptyParentDirectories(path string) error {
	if runtime.GOOS == "windows" {
		path = filepath.FromSlash(path)
	}
	parent := filepath.Dir(path)

	if relpath, err := filepath.Rel(s.path, parent); err != nil {
		return err
	} else if strings.HasPrefix(relpath, ".") {
		return nil
	}

	debug.Log("removing empty parent dir: %q", parent)
	err := os.Remove(parent)
	switch {
	case err == nil:
		return s.removeEmptyParentDirectories(parent)
	case notEmptyErr(err):
		// ignore when directory is non-empty.
		return nil
	default:
		return err
	}
}