//go:build !windows

package pi

import "os"

// durableReplace acknowledges both the data file and its directory entry. A successful return
// is the strongest atomic replacement guarantee supported by Unix filesystems.
func durableReplace(temporary, target, directory string) error {
	if err := os.Rename(temporary, target); err != nil { return err }
	dir, err := os.Open(directory)
	if err != nil { return err }
	defer dir.Close()
	return dir.Sync()
}