// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package system

import (
	"os/exec"
	"strings"

	"github.com/vtolstov/cloudinit/config"
)

func UserHome(name string) (string, error) {
	output, err := exec.Command("getent", "passwd", name).CombinedOutput()
	if err != nil {
		return "", err
	}
	passwd := strings.Split(string(output), ":")
	return passwd[5], nil
}

func UserExists(u *config.User) bool {
	return exec.Command("getent", "passwd", u.Name).Run() == nil
}