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// Copyright 2016-present 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 hugolib
import (
"bytes"
"time"
"errors"
"github.com/fsnotify/fsnotify"
"github.com/gohugoio/hugo/helpers"
)
// Build builds all sites. If filesystem events are provided,
// this is considered to be a potential partial rebuild.
func (h *HugoSites) Build(config BuildCfg, events ...fsnotify.Event) error {
if h.Metrics != nil {
h.Metrics.Reset()
}
t0 := time.Now()
// Need a pointer as this may be modified.
conf := &config
if conf.whatChanged == nil {
// Assume everything has changed
conf.whatChanged = &whatChanged{source: true, other: true}
}
if len(events) > 0 {
// Rebuild
if err := h.initRebuild(conf); err != nil {
return err
}
} else {
if err := h.init(conf); err != nil {
return err
}
}
if err := h.process(conf, events...); err != nil {
return err
}
if err := h.assemble(conf); err != nil {
return err
}
if err := h.render(conf); err != nil {
return err
}
if config.PrintStats {
h.Log.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
}
if h.Metrics != nil {
var b bytes.Buffer
h.Metrics.WriteMetrics(&b)
h.Log.FEEDBACK.Printf("\nTemplate Metrics:\n\n")
h.Log.FEEDBACK.Print(b.String())
h.Log.FEEDBACK.Println()
}
return nil
}
// Build lifecycle methods below.
// The order listed matches the order of execution.
func (h *HugoSites) init(config *BuildCfg) error {
for _, s := range h.Sites {
if s.PageCollections == nil {
s.PageCollections = newPageCollections()
}
}
if config.ResetState {
h.reset()
}
if config.CreateSitesFromConfig {
if err := h.createSitesFromConfig(); err != nil {
return err
}
}
h.runMode.Watching = config.Watching
return nil
}
func (h *HugoSites) initRebuild(config *BuildCfg) error {
if config.CreateSitesFromConfig {
return errors.New("Rebuild does not support 'CreateSitesFromConfig'.")
}
if config.ResetState {
return errors.New("Rebuild does not support 'ResetState'.")
}
if !config.Watching {
return errors.New("Rebuild called when not in watch mode")
}
h.runMode.Watching = config.Watching
if config.whatChanged.source {
// This is for the non-renderable content pages (rarely used, I guess).
// We could maybe detect if this is really needed, but it should be
// pretty fast.
h.TemplateHandler().RebuildClone()
}
for _, s := range h.Sites {
s.resetBuildState()
}
helpers.InitLoggers()
return nil
}
func (h *HugoSites) process(config *BuildCfg, events ...fsnotify.Event) error {
// We should probably refactor the Site and pull up most of the logic from there to here,
// but that seems like a daunting task.
// So for now, if there are more than one site (language),
// we pre-process the first one, then configure all the sites based on that.
firstSite := h.Sites[0]
if len(events) > 0 {
// This is a rebuild
changed, err := firstSite.reProcess(events)
config.whatChanged = &changed
return err
}
return firstSite.process(*config)
}
func (h *HugoSites) assemble(config *BuildCfg) error {
if config.whatChanged.source {
for _, s := range h.Sites {
s.createTaxonomiesEntries()
}
}
// TODO(bep) we could probably wait and do this in one go later
h.setupTranslations()
if len(h.Sites) > 1 {
// The first is initialized during process; initialize the rest
for _, site := range h.Sites[1:] {
site.initializeSiteInfo()
}
}
if config.whatChanged.source {
h.assembleGitInfo()
for _, s := range h.Sites {
if err := s.buildSiteMeta(); err != nil {
return err
}
}
}
if err := h.createMissingPages(); err != nil {
return err
}
for _, s := range h.Sites {
s.siteStats = &siteStats{}
for _, p := range s.Pages {
// May have been set in front matter
if len(p.outputFormats) == 0 {
p.outputFormats = s.outputFormats[p.Kind]
}
cnt := len(p.outputFormats)
if p.Kind == KindPage {
s.siteStats.pageCountRegular += cnt
}
s.siteStats.pageCount += cnt
if err := p.initTargetPathDescriptor(); err != nil {
return err
}
if err := p.initURLs(); err != nil {
return err
}
}
s.assembleMenus()
s.refreshPageCaches()
s.setupSitePages()
}
if err := h.assignMissingTranslations(); err != nil {
return err
}
return nil
}
func (h *HugoSites) render(config *BuildCfg) error {
for _, s := range h.Sites {
s.initRenderFormats()
for i, rf := range s.renderFormats {
s.rc = &siteRenderingContext{Format: rf}
s.preparePagesForRender(config)
if !config.SkipRender {
if err := s.render(i); err != nil {
return err
}
}
}
if !config.SkipRender && config.PrintStats {
s.Stats()
}
}
if !config.SkipRender {
if err := h.renderCrossSitesArtifacts(); err != nil {
return err
}
}
return nil
}
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