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// Copyright 2016 The Hugo Authors. All rights reserved.
//
// 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 commands
import (
"fmt"
"path"
"path/filepath"
"strings"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugofs"
"github.com/spf13/cobra"
"github.com/spf13/cobra/doc"
jww "github.com/spf13/jwalterweatherman"
)
var _ cmder = (*genDocCmd)(nil)
type genDocCmd struct {
gendocdir string
*baseCmd
}
func newGenDocCmd() *genDocCmd {
const gendocFrontmatterTemplate = `---
title: "%s"
slug: %s
url: %s
---
`
cc := &genDocCmd{}
cc.baseCmd = newBaseCmd(&cobra.Command{
Use: "doc",
Short: "Generate Markdown documentation for the Hugo CLI.",
Long: `Generate Markdown documentation for the Hugo CLI.
This command is, mostly, used to create up-to-date documentation
of Hugo's command-line interface for http://gohugo.io/.
It creates one Markdown file per command with front matter suitable
for rendering in Hugo.`,
RunE: func(cmd *cobra.Command, args []string) error {
cmd.VisitParents(func(c *cobra.Command) {
// Disable the "Auto generated by spf13/cobra on DATE"
// as it creates a lot of diffs.
c.DisableAutoGenTag = true
})
if !strings.HasSuffix(cc.gendocdir, helpers.FilePathSeparator) {
cc.gendocdir += helpers.FilePathSeparator
}
if found, _ := helpers.Exists(cc.gendocdir, hugofs.Os); !found {
jww.FEEDBACK.Println("Directory", cc.gendocdir, "does not exist, creating...")
if err := hugofs.Os.MkdirAll(cc.gendocdir, 0777); err != nil {
return err
}
}
prepender := func(filename string) string {
name := filepath.Base(filename)
base := strings.TrimSuffix(name, path.Ext(name))
url := "/commands/" + strings.ToLower(base) + "/"
return fmt.Sprintf(gendocFrontmatterTemplate, strings.Replace(base, "_", " ", -1), base, url)
}
linkHandler := func(name string) string {
base := strings.TrimSuffix(name, path.Ext(name))
return "/commands/" + strings.ToLower(base) + "/"
}
jww.FEEDBACK.Println("Generating Hugo command-line documentation in", cc.gendocdir, "...")
doc.GenMarkdownTreeCustom(cmd.Root(), cc.gendocdir, prepender, linkHandler)
jww.FEEDBACK.Println("Done.")
return nil
},
})
cc.cmd.PersistentFlags().StringVar(&cc.gendocdir, "dir", "/tmp/hugodoc/", "the directory to write the doc.")
// For bash-completion
cc.cmd.PersistentFlags().SetAnnotation("dir", cobra.BashCompSubdirsInDir, []string{})
return cc
}
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