write_toml_file.go

/*
 * Copyright 2018-2019 the original author or authors.
 *
 * 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
 *
 *      https://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 internal

import (
	"os"
	"path/filepath"

	"github.com/BurntSushi/toml"
)

// WriteTomlFile writes a file with a TOML representation of the given value.  Before writing it creates all required
// parent directories for the file.
func WriteTomlFile(filename string, perm os.FileMode, value interface{}) error {
	if err := os.MkdirAll(filepath.Dir(filename), 0755); err != nil {
		return err
	}

	file, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
	if err != nil {
		return err
	}
	defer file.Close()

	return toml.NewEncoder(file).Encode(value)
}