// Copyright (c) 2018-2019, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.

package image

import (
	"os"
)

type sandboxFormat struct{}

func (f *sandboxFormat) initializer(img *Image, fileinfo os.FileInfo) error {
	if fileinfo.IsDir() {
		img.Type = SANDBOX
	} else {
		return debugError("not a directory image")
	}
	img.Partitions = []Section{
		{
			Type: SANDBOX,
			Name: RootFs,
		},
	}
	return nil
}

func (f *sandboxFormat) openMode(writable bool) int {
	return os.O_RDONLY
}