cli/pkg/util/file.go

//
// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You 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 util

import (
	"os"
	"path/filepath"

	"golang.org/x/term"
)

func LoadTemplate(path, file, builtin string) (string, error) {
	file = filepath.Join(path, file)
	if !FileExists(file) {
		return builtin, nil
	}

	content, err := os.ReadFile(file)
	if err != nil {
		return "", err
	}

	return string(content), nil
}

func FileExists(file string) bool {
	_, err := os.Stat(file)
	return err == nil
}

func InteractiveTerminal() bool {
	return term.IsTerminal(int(os.Stdin.Fd()))
}