mirror of
https://github.com/gohugoio/hugo.git
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662e12f348
This commit completes the "The Revival of the Archetypes!"
If `.Site` is used in the arcetype template, the site is built and added to the template context.
Note that this may be potentially time consuming for big sites.
A more complete example would then be for the section `newsletter` and the archetype file `archetypes/newsletter.md`:
```
---
title: "{{ replace .TranslationBaseName "-" " " | title }}"
date: {{ .Date }}
tags:
- x
categories:
- x
draft: true
---
<!--more-->
{{ range first 10 ( where .Site.RegularPages "Type" "cool" ) }}
* {{ .Title }}
{{ end }}
```
And then create a new post with:
```bash
hugo new newsletter/the-latest-cool.stuff.md
```
**Hot Tip:** If you set the `newContentEditor` configuration variable to an editor on your `PATH`, the newly created article will be opened.
The above _newsletter type archetype_ illustrates the possibilities: The full Hugo `.Site` and all of Hugo's template funcs can be used in the archetype file.
Fixes #1629
114 lines
3.5 KiB
Go
114 lines
3.5 KiB
Go
// Copyright 2017 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package create
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import (
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"bytes"
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"fmt"
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"time"
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"github.com/gohugoio/hugo/helpers"
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"github.com/gohugoio/hugo/source"
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"github.com/gohugoio/hugo/hugolib"
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"github.com/gohugoio/hugo/tpl"
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"github.com/spf13/afero"
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)
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// ArchetypeFileData represents the data available to an archetype template.
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type ArchetypeFileData struct {
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// The archetype content type, either given as --kind option or extracted
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// from the target path's section, i.e. "blog/mypost.md" will resolve to
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// "blog".
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Type string
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// The current date and time as a RFC3339 formatted string, suitable for use in front matter.
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Date string
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// The Site, fully equipped with all the pages etc. Note: This will only be set if it is actually
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// used in the archetype template. Also, if this is a multilingual setup,
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// this site is the site that best matches the target content file, based
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// on the presence of language code in the filename.
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Site *hugolib.Site
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// The target content file. Note that the .Content will be empty, as that
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// has not been created yet.
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*source.File
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}
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const (
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archetypeTemplateTemplate = `+++
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title = "{{ replace .TranslationBaseName "-" " " | title }}"
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date = {{ .Date }}
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draft = true
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+++`
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)
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func executeArcheTypeAsTemplate(s *hugolib.Site, kind, targetPath, archetypeFilename string) ([]byte, error) {
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var (
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archetypeContent []byte
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archetypeTemplate []byte
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err error
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)
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sp := source.NewSourceSpec(s.Deps.Cfg, s.Deps.Fs)
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f := sp.NewFile(targetPath)
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data := ArchetypeFileData{
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Type: kind,
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Date: time.Now().Format(time.RFC3339),
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File: f,
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Site: s,
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}
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if archetypeFilename == "" {
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// TODO(bep) archetype revive the issue about wrong tpl funcs arg order
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archetypeTemplate = []byte(archetypeTemplateTemplate)
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} else {
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archetypeTemplate, err = afero.ReadFile(s.Fs.Source, archetypeFilename)
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if err != nil {
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return nil, fmt.Errorf("Failed to read archetype file %q: %s", archetypeFilename, err)
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}
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}
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// Reuse the Hugo template setup to get the template funcs properly set up.
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templateHandler := s.Deps.Tmpl.(tpl.TemplateHandler)
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templateName := "_text/" + helpers.Filename(archetypeFilename)
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if err := templateHandler.AddTemplate(templateName, string(archetypeTemplate)); err != nil {
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return nil, fmt.Errorf("Failed to parse archetype file %q: %s", archetypeFilename, err)
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}
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templ := templateHandler.Lookup(templateName)
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var buff bytes.Buffer
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if err := templ.Execute(&buff, data); err != nil {
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return nil, fmt.Errorf("Failed to process archetype file %q: %s", archetypeFilename, err)
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}
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archetypeContent = buff.Bytes()
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if !bytes.Contains(archetypeContent, []byte("date")) || !bytes.Contains(archetypeContent, []byte("title")) {
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// TODO(bep) remove some time in the future.
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s.Log.FEEDBACK.Println(fmt.Sprintf(`WARNING: date and/or title missing from archetype file %q.
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From Hugo 0.24 this must be provided in the archetype file itself, if needed. Example:
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%s
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`, archetypeFilename, archetypeTemplateTemplate))
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}
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return archetypeContent, nil
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}
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