//go:build !unix

package hostfiles

import (
	"context"
	"errors"
	"os"
)

// The publisher reads a files directory by descriptor, without following
// links, which needs openat. The agent runs on Linux; elsewhere this
// package builds, restores and reads manifests, and does not publish.
var errNoPublish = errors.New("hostfiles: publishing a directory is not supported on this OS")

// restoreDirFlags is Restore's directory open off unix, where there is no
// FIFO to wait on.
const restoreDirFlags = os.O_RDONLY

type dirHandle struct{ f *os.File }

func openTree(path string) (*dirHandle, error) { return nil, errNoPublish }
func handleOf(f *os.File) (*dirHandle, error)  { return nil, errNoPublish }
func (d *dirHandle) Close() error              { return nil }
func (d *dirHandle) Name() string              { return "" }

func syncTree(ctx context.Context, d *dirHandle, p *Publisher, skip func(string, bool) bool, visit func(*dirHandle, string, string) error) error {
	return errNoPublish
}

func (d *dirHandle) descend(rel string) (*dirHandle, bool, error) { return nil, false, errNoPublish }

func readStable(d *dirHandle, name string) ([]byte, uint32, fileState, error) {
	return nil, 0, fileUnreadable, errNoPublish
}