cmd/gendocs/main.go

// Copyright 2024 Google LLC
//
// 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 main

import (
	"fmt"
	"os"
	"path/filepath"

	"github.com/GoogleCloudPlatform/alloydb-auth-proxy/cmd"
	"github.com/spf13/cobra/doc"
)

func main() {
	if len(os.Args) > 2 {
		fmt.Fprintf(os.Stderr, "usage: %s [output directory]\n", os.Args[0])
		os.Exit(1)
	}

	path := "docs/cmd"
	if len(os.Args) == 2 {
		path = os.Args[1]
	}

	outDir, err := filepath.Abs(path)
	if err != nil {
		fmt.Fprintf(os.Stderr, "failed to get output directory: %v\n", err)
		os.Exit(1)
	}

	// Set environment variables used so the output is consistent,
	// regardless of where we run.
	os.Setenv("TMPDIR", "/tmp")

	c := cmd.NewCommand()
	c.DisableAutoGenTag = true

	if err := doc.GenMarkdownTree(c.Command, outDir); err != nil {
		fmt.Fprintf(os.Stderr, "gendocs: %v", err)
		os.Exit(1)
	}
}