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/*
Copyright 2020 Docker Compose CLI 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
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 main
import (
"fmt"
"os"
"path/filepath"
clidocstool "github.com/docker/cli-docs-tool"
"github.com/docker/cli/cli/command"
"github.com/docker/compose/v2/cmd/compose"
"github.com/spf13/cobra"
)
func generateDocs(opts *options) error {
dockerCLI, err := command.NewDockerCli()
if err != nil {
return err
}
cmd := &cobra.Command{
Use: "docker",
DisableAutoGenTag: true,
}
cmd.AddCommand(compose.RootCommand(dockerCLI, nil))
disableFlagsInUseLine(cmd)
tool, err := clidocstool.New(clidocstool.Options{
Root: cmd,
SourceDir: opts.source,
TargetDir: opts.target,
Plugin: true,
})
if err != nil {
return err
}
for _, format := range opts.formats {
switch format {
case "yaml":
if err := tool.GenYamlTree(cmd); err != nil {
return err
}
case "man":
if err := tool.GenManTree(cmd); err != nil {
return err
}
case "md":
if err := tool.GenMarkdownTree(cmd); err != nil {
return err
}
default:
return fmt.Errorf("unknown format %q", format)
}
}
return nil
}
func disableFlagsInUseLine(cmd *cobra.Command) {
visitAll(cmd, func(ccmd *cobra.Command) {
// do not add a `[flags]` to the end of the usage line.
ccmd.DisableFlagsInUseLine = true
})
}
// visitAll will traverse all commands from the root.
// This is different from the VisitAll of cobra.Command where only parents
// are checked.
func visitAll(root *cobra.Command, fn func(*cobra.Command)) {
for _, cmd := range root.Commands() {
visitAll(cmd, fn)
}
fn(root)
}
type options struct {
source string
target string
formats []string
}
func main() {
cwd, _ := os.Getwd()
opts := &options{
source: filepath.Join(cwd, "docs", "reference"),
target: filepath.Join(cwd, "docs", "reference"),
formats: []string{"man"},
}
fmt.Printf("Project root: %s\n", opts.source)
fmt.Printf("Generating yaml files into %s\n", opts.target)
if err := generateDocs(opts); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "Failed to generate documentation: %s\n", err.Error())
}
}
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