mirror of
https://github.com/gohugoio/hugo.git
synced 2024-05-11 05:54:58 +00:00
301 lines
7.2 KiB
Go
301 lines
7.2 KiB
Go
// Copyright 2016 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 hugolib
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import (
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"fmt"
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"path"
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"path/filepath"
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"sync"
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"time"
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bp "github.com/spf13/hugo/bufferpool"
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)
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// renderPages renders pages each corresponding to a markdown file.
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// TODO(bep np doc
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func (s *Site) renderPages() error {
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results := make(chan error)
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pages := make(chan *Page)
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errs := make(chan error)
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go errorCollator(results, errs)
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procs := getGoMaxProcs()
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wg := &sync.WaitGroup{}
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for i := 0; i < procs*4; i++ {
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wg.Add(1)
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go pageRenderer(s, pages, results, wg)
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}
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for _, page := range s.Pages {
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pages <- page
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}
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close(pages)
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wg.Wait()
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close(results)
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err := <-errs
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if err != nil {
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return fmt.Errorf("Error(s) rendering pages: %s", err)
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}
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return nil
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}
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func pageRenderer(s *Site, pages <-chan *Page, results chan<- error, wg *sync.WaitGroup) {
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defer wg.Done()
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for p := range pages {
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targetPath := p.TargetPath()
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layouts := p.layouts()
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s.Log.DEBUG.Printf("Render %s to %q with layouts %q", p.Kind, targetPath, layouts)
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if err := s.renderAndWritePage("page "+p.FullFilePath(), targetPath, p, s.appendThemeTemplates(layouts)...); err != nil {
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results <- err
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}
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// Taxonomy terms have no page set to paginate, so skip that for now.
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if p.IsNode() && p.Kind != KindTaxonomyTerm {
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if err := s.renderPaginator(p); err != nil {
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results <- err
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}
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}
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if err := s.renderRSS(p); err != nil {
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results <- err
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}
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}
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}
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// renderPaginator must be run after the owning Page has been rendered.
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func (s *Site) renderPaginator(p *Page) error {
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if p.paginator != nil {
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s.Log.DEBUG.Printf("Render paginator for page %q", p.Path())
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paginatePath := s.Cfg.GetString("paginatePath")
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// write alias for page 1
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// TODO(bep) ml all of these n.addLang ... fix.
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aliasPath := p.addLangPathPrefix(s.PathSpec.PaginateAliasPath(path.Join(p.sections...), 1))
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link := p.Permalink()
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s.writeDestAlias(aliasPath, link, nil)
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pagers := p.paginator.Pagers()
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for i, pager := range pagers {
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if i == 0 {
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// already created
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continue
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}
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pagerNode := p.copy()
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pagerNode.paginator = pager
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if pager.TotalPages() > 0 {
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first, _ := pager.page(0)
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pagerNode.Date = first.Date
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pagerNode.Lastmod = first.Lastmod
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}
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pageNumber := i + 1
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htmlBase := path.Join(append(p.sections, fmt.Sprintf("/%s/%d", paginatePath, pageNumber))...)
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htmlBase = p.addLangPathPrefix(htmlBase)
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if err := s.renderAndWritePage(pagerNode.Title,
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filepath.FromSlash(htmlBase), pagerNode, p.layouts()...); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (s *Site) renderRSS(p *Page) error {
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if !s.isEnabled(kindRSS) {
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return nil
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}
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if s.Cfg.GetBool("disableRSS") {
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return nil
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}
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layouts := p.rssLayouts()
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if layouts == nil {
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// No RSS for this Kind of page.
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return nil
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}
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rssPage := p.copy()
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rssPage.Kind = kindRSS
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// TODO(bep) we zero the date here to get the number of diffs down in
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// testing. But this should be set back later; the RSS feed should
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// inherit the publish date from the node it represents.
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if p.Kind == KindTaxonomy {
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var zeroDate time.Time
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rssPage.Date = zeroDate
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}
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limit := s.Cfg.GetInt("rssLimit")
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if len(rssPage.Pages) > limit {
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rssPage.Pages = rssPage.Pages[:limit]
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rssPage.Data["Pages"] = rssPage.Pages
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}
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rssURI := s.Language.GetString("rssURI")
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rssPath := path.Join(append(rssPage.sections, rssURI)...)
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s.setPageURLs(rssPage, rssPath)
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return s.renderAndWriteXML(rssPage.Title,
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rssPage.addLangFilepathPrefix(rssPath), rssPage, s.appendThemeTemplates(layouts)...)
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}
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func (s *Site) render404() error {
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if !s.isEnabled(kind404) {
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return nil
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}
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if s.Cfg.GetBool("disable404") {
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return nil
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}
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p := s.newNodePage(kind404)
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p.Title = "404 Page not found"
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p.Data["Pages"] = s.Pages
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p.Pages = s.Pages
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s.setPageURLs(p, "404.html")
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nfLayouts := []string{"404.html"}
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return s.renderAndWritePage("404 page", "404.html", p, s.appendThemeTemplates(nfLayouts)...)
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}
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func (s *Site) renderSitemap() error {
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if !s.isEnabled(kindSitemap) {
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return nil
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}
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if s.Cfg.GetBool("disableSitemap") {
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return nil
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}
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sitemapDefault := parseSitemap(s.Cfg.GetStringMap("sitemap"))
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n := s.newNodePage(kindSitemap)
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// Include all pages (regular, home page, taxonomies etc.)
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pages := s.Pages
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page := s.newNodePage(kindSitemap)
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page.URLPath.URL = ""
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page.Sitemap.ChangeFreq = sitemapDefault.ChangeFreq
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page.Sitemap.Priority = sitemapDefault.Priority
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page.Sitemap.Filename = sitemapDefault.Filename
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n.Data["Pages"] = pages
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n.Pages = pages
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// TODO(bep) this should be done somewhere else
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for _, page := range pages {
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if page.Sitemap.ChangeFreq == "" {
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page.Sitemap.ChangeFreq = sitemapDefault.ChangeFreq
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}
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if page.Sitemap.Priority == -1 {
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page.Sitemap.Priority = sitemapDefault.Priority
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}
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if page.Sitemap.Filename == "" {
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page.Sitemap.Filename = sitemapDefault.Filename
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}
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}
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smLayouts := []string{"sitemap.xml", "_default/sitemap.xml", "_internal/_default/sitemap.xml"}
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addLanguagePrefix := n.Site.IsMultiLingual()
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return s.renderAndWriteXML("sitemap",
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n.addLangPathPrefixIfFlagSet(page.Sitemap.Filename, addLanguagePrefix), n, s.appendThemeTemplates(smLayouts)...)
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}
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func (s *Site) renderRobotsTXT() error {
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if !s.isEnabled(kindRobotsTXT) {
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return nil
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}
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if !s.Cfg.GetBool("enableRobotsTXT") {
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return nil
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}
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n := s.newNodePage(kindRobotsTXT)
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n.Data["Pages"] = s.Pages
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n.Pages = s.Pages
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rLayouts := []string{"robots.txt", "_default/robots.txt", "_internal/_default/robots.txt"}
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outBuffer := bp.GetBuffer()
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defer bp.PutBuffer(outBuffer)
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err := s.renderForLayouts("robots", n, outBuffer, s.appendThemeTemplates(rLayouts)...)
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if err == nil {
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err = s.writeDestFile("robots.txt", outBuffer)
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}
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return err
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}
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// renderAliases renders shell pages that simply have a redirect in the header.
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func (s *Site) renderAliases() error {
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for _, p := range s.Pages {
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if len(p.Aliases) == 0 {
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continue
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}
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plink := p.Permalink()
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for _, a := range p.Aliases {
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if err := s.writeDestAlias(a, plink, p); err != nil {
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return err
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}
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}
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}
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if s.owner.multilingual.enabled() {
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mainLang := s.owner.multilingual.DefaultLang
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if s.Info.defaultContentLanguageInSubdir {
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mainLangURL := s.PathSpec.AbsURL(mainLang.Lang, false)
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s.Log.DEBUG.Printf("Write redirect to main language %s: %s", mainLang, mainLangURL)
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if err := s.publishDestAlias(s.languageAliasTarget(), "/", mainLangURL, nil); err != nil {
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return err
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}
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} else {
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mainLangURL := s.PathSpec.AbsURL("", false)
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s.Log.DEBUG.Printf("Write redirect to main language %s: %s", mainLang, mainLangURL)
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if err := s.publishDestAlias(s.languageAliasTarget(), mainLang.Lang, mainLangURL, nil); err != nil {
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return err
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}
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}
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}
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return nil
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}
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