detach.go

// Copyright 2017 The go-darwin Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package hdiutil

import "os/exec"

// detachFlag implements a hdiutil detach command flag interface.
type detachFlag interface {
	detachFlag() []string
}

type detachForce bool

func (d detachForce) detachFlag() []string { return boolFlag("force", bool(d)) }

const (
	// DetachForce ignore open files on mounted volumes, etc.
	DetachForce detachForce = true
)

// Detach detach a disk image and terminate any associated process.
func Detach(deviceNode string, flags ...detachFlag) error {
	cmd := exec.Command(hdiutilPath, "detach", deviceNode)
	if len(flags) > 0 {
		for _, flag := range flags {
			cmd.Args = append(cmd.Args, flag.detachFlag()...)
		}
	}

	err := cmd.Run()
	if err != nil {
		return err
	}

	return nil
}