Introduce HugoSites type

And a Hugo global variable which contains the site under build.

This is really needed to get some level of control of the "multiple languages" in play.

There are still work related to this scattered around, but that will come.

With this commit, the multilingual feature is starting to work.

commands/benchmark.go

@@ -57,8 +57,8 @@ func benchmark(cmd *cobra.Command, args []string) error {
 			return err
 		}
 		for i := 0; i < benchmarkTimes; i++ {
-			Sites = nil
-			_ = buildSite()
+			_ = buildSites()
+			Hugo.Reset()
 		}
 		pprof.WriteHeapProfile(f)
 		f.Close()
@@ -76,8 +76,8 @@ func benchmark(cmd *cobra.Command, args []string) error {
 		pprof.StartCPUProfile(f)
 		defer pprof.StopCPUProfile()
 		for i := 0; i < benchmarkTimes; i++ {
-			Sites = nil
-			_ = buildSite()
+			_ = buildSites()
+			Hugo.Reset()
 		}
 	}
 

commands/hugo.go

@@ -46,10 +46,20 @@ import (
 	"github.com/spf13/viper"
 )
 
-// Sites represents the Hugo sites to build. This variable is exported as it
+type HugoSites []*hugolib.Site
+
+// Reset resets the sites, making it ready for a full rebuild.
+// TODO(bep) multilingo
+func (h HugoSites) Reset() {
+	for i, s := range h {
+		h[i] = s.Reset()
+	}
+}
+
+// Hugo represents the Hugo sites to build. This variable is exported as it
 // is used by at least one external library (the Hugo caddy plugin). We should
 // provide a cleaner external API, but until then, this is it.
-var Sites map[string]*hugolib.Site
+var Hugo HugoSites
 
 // Reset resets Hugo ready for a new full build. This is mainly only useful
 // for benchmark testing etc. via the CLI commands.
@@ -493,7 +503,15 @@ func InitializeConfig(subCmdVs ...*cobra.Command) error {
 			helpers.HugoReleaseVersion(), minVersion)
 	}
 
-	return readMultilingualConfiguration()
+	h, err := readMultilingualConfiguration()
+
+	if err != nil {
+		return err
+	}
+	//TODO(bep) refactor ...
+	Hugo = h
+
+	return nil
 
 }
 
@@ -510,8 +528,8 @@ func watchConfig() {
 	viper.OnConfigChange(func(e fsnotify.Event) {
 		fmt.Println("Config file changed:", e.Name)
 		// Force a full rebuild
-		Sites = nil
-		utils.CheckErr(buildSite(true))
+		Hugo.Reset()
+		utils.CheckErr(buildSites(true))
 		if !viper.GetBool("DisableLiveReload") {
 			// Will block forever trying to write to a channel that nobody is reading if livereload isn't initialized
 			livereload.ForceRefresh()
@@ -537,7 +555,7 @@ func build(watches ...bool) error {
 	if len(watches) > 0 && watches[0] {
 		watch = true
 	}
-	if err := buildSite(buildWatch || watch); err != nil {
+	if err := buildSites(buildWatch || watch); err != nil {
 		return fmt.Errorf("Error building site: %s", err)
 	}
 
@@ -704,32 +722,21 @@ func getDirList() []string {
 	return a
 }
 
-func buildSite(watching ...bool) (err error) {
+func buildSites(watching ...bool) (err error) {
 	fmt.Println("Started building site")
 	t0 := time.Now()
 
-	if Sites == nil {
-		Sites = make(map[string]*hugolib.Site)
-	}
-
-	for _, lang := range langConfigsList {
+	for _, site := range Hugo {
 		t1 := time.Now()
-		mainSite, present := Sites[lang.Lang]
-		if !present {
-			mainSite = new(hugolib.Site)
-			Sites[lang.Lang] = mainSite
-			mainSite.SetMultilingualConfig(lang, langConfigsList)
-		}
-
 		if len(watching) > 0 && watching[0] {
-			mainSite.RunMode.Watching = true
+			site.RunMode.Watching = true
 		}
 
-		if err := mainSite.Build(); err != nil {
+		if err := site.Build(); err != nil {
 			return err
 		}
 
-		mainSite.Stats(lang.Lang, t1)
+		site.Stats(t1)
 	}
 
 	jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
@@ -737,18 +744,17 @@ func buildSite(watching ...bool) (err error) {
 	return nil
 }
 
-func rebuildSite(events []fsnotify.Event) error {
+func rebuildSites(events []fsnotify.Event) error {
 	t0 := time.Now()
 
-	for _, lang := range langConfigsList {
+	for _, site := range Hugo {
 		t1 := time.Now()
-		site := Sites[lang.Lang]
 
 		if err := site.ReBuild(events); err != nil {
 			return err
 		}
 
-		site.Stats(lang.Lang, t1)
+		site.Stats(t1)
 	}
 
 	jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
@@ -969,7 +975,7 @@ func NewWatcher(port int) error {
 					const layout = "2006-01-02 15:04 -0700"
 					fmt.Println(time.Now().Format(layout))
 
-					rebuildSite(dynamicEvents)
+					rebuildSites(dynamicEvents)
 
 					if !buildWatch && !viper.GetBool("DisableLiveReload") {
 						// Will block forever trying to write to a channel that nobody is reading if livereload isn't initialized

commands/multilingual.go

@@ -11,24 +11,30 @@ import (
 	"github.com/spf13/viper"
 )
 
-var langConfigsList hugolib.Languages
-
-func readMultilingualConfiguration() error {
+func readMultilingualConfiguration() (HugoSites, error) {
+	h := make(HugoSites, 0)
 	multilingual := viper.GetStringMap("Multilingual")
 	if len(multilingual) == 0 {
 		// TODO(bep) multilingo langConfigsList = append(langConfigsList, hugolib.NewLanguage("en"))
-		return nil
+		h = append(h, hugolib.NewSite(hugolib.NewLanguage("en")))
+		return h, nil
 	}
 
 	var err error
 
-	langConfigsList, err = toSortedLanguages(multilingual)
+	langConfigsList, err := toSortedLanguages(multilingual)
 
 	if err != nil {
-		return fmt.Errorf("Failed to parse multilingual config: %s", err)
+		return nil, fmt.Errorf("Failed to parse multilingual config: %s", err)
 	}
 
-	return nil
+	for _, lang := range langConfigsList {
+		s := hugolib.NewSite(lang)
+		s.SetMultilingualConfig(lang, langConfigsList)
+		h = append(h, s)
+	}
+
+	return h, nil
 }
 
 func toSortedLanguages(l map[string]interface{}) (hugolib.Languages, error) {

hugolib/datafiles_test.go

@@ -87,7 +87,7 @@ func TestDataDirUnknownFormat(t *testing.T) {
 	sources := []source.ByteSource{
 		{Name: filepath.FromSlash("test.roml"), Content: []byte("boo")},
 	}
-	s := &Site{}
+	s := newSiteDefaultLang()
 	err := s.loadData([]source.Input{&source.InMemorySource{ByteSource: sources}})
 	if err != nil {
 		t.Fatalf("Should not return an error")
@@ -95,7 +95,7 @@ func TestDataDirUnknownFormat(t *testing.T) {
 }
 
 func doTestDataDir(t *testing.T, expected interface{}, sources []source.Input) {
-	s := &Site{}
+	s := newSiteDefaultLang()
 	err := s.loadData(sources)
 	if err != nil {
 		t.Fatalf("Error loading data: %s", err)

hugolib/handler_test.go

@@ -47,6 +47,7 @@ func TestDefaultHandler(t *testing.T) {
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: true}},
+		Lang:    NewLanguage("en"),
 	}
 
 	s.initializeSiteInfo()

hugolib/menu_test.go

@@ -683,6 +683,7 @@ func createTestSite(pageSources []source.ByteSource) *Site {
 
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: pageSources},
+		Lang:   newDefaultLanguage(),
 	}
 	return s
 }

hugolib/multilingual.go

@@ -22,6 +22,11 @@ func NewLanguage(lang string) *Language {
 	return &Language{Lang: lang, params: make(map[string]interface{})}
 }
 
+// TODO(bep) multilingo
+func newDefaultLanguage() *Language {
+	return NewLanguage("en")
+}
+
 type Languages []*Language
 
 func NewLanguages(l ...*Language) Languages {
@@ -93,10 +98,9 @@ func (l *Language) Get(key string) interface{} {
 	return viper.Get(key)
 }
 
+// TODO(bep) multilingo move this to a constructor.
 func (s *Site) SetMultilingualConfig(currentLang *Language, languages Languages) {
 
-	// TODO(bep) multilingo evaluate
-	viper.Set("CurrentLanguage", currentLang)
 	ml := &Multilingual{
 		Languages: languages,
 	}
@@ -108,14 +112,11 @@ func (s *Site) multilingualEnabled() bool {
 	return s.Multilingual != nil && s.Multilingual.enabled()
 }
 
-func currentLanguageString() string {
-	return currentLanguage().Lang
+// TODO(bep) multilingo remove these
+func (s *Site) currentLanguageString() string {
+	return s.currentLanguage().Lang
 }
 
-func currentLanguage() *Language {
-	l := viper.Get("CurrentLanguage")
-	if l == nil {
-		panic("CurrentLanguage not set")
-	}
-	return l.(*Language)
+func (s *Site) currentLanguage() *Language {
+	return s.Lang
 }

hugolib/pagination_test.go

@@ -226,7 +226,7 @@ func doTestPaginator(t *testing.T, useViper bool) {
 		viper.Set("paginate", -1)
 	}
 	pages := createTestPages(12)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	n1 := s.newHomeNode()
 	n2 := s.newHomeNode()
 	n1.Data["Pages"] = pages
@@ -264,7 +264,7 @@ func TestPaginatorWithNegativePaginate(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("paginate", -1)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	_, err := s.newHomeNode().Paginator()
 	assert.NotNil(t, err)
 }
@@ -287,7 +287,7 @@ func doTestPaginate(t *testing.T, useViper bool) {
 	}
 
 	pages := createTestPages(6)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	n1 := s.newHomeNode()
 	n2 := s.newHomeNode()
 
@@ -320,7 +320,7 @@ func doTestPaginate(t *testing.T, useViper bool) {
 }
 
 func TestInvalidOptions(t *testing.T) {
-	s := &Site{}
+	s := newSiteDefaultLang()
 	n1 := s.newHomeNode()
 	_, err := n1.Paginate(createTestPages(1), 1, 2)
 	assert.NotNil(t, err)
@@ -335,7 +335,7 @@ func TestPaginateWithNegativePaginate(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("paginate", -1)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	_, err := s.newHomeNode().Paginate(createTestPages(2))
 	assert.NotNil(t, err)
 }
@@ -358,7 +358,7 @@ func TestPaginatorFollowedByPaginateShouldFail(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("paginate", 10)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	n1 := s.newHomeNode()
 	n2 := s.newHomeNode()
 
@@ -377,7 +377,7 @@ func TestPaginateFollowedByDifferentPaginateShouldFail(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("paginate", 10)
-	s := &Site{}
+	s := newSiteDefaultLang()
 	n1 := s.newHomeNode()
 	n2 := s.newHomeNode()
 

hugolib/robotstxt_test.go

@@ -40,6 +40,7 @@ func TestRobotsTXTOutput(t *testing.T) {
 
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: weightedSources},
+		Lang:   newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()

hugolib/rss_test.go

@@ -55,6 +55,7 @@ func TestRSSOutput(t *testing.T) {
 	hugofs.InitMemFs()
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: weightedSources},
+		Lang:   newDefaultLanguage(),
 	}
 	s.initializeSiteInfo()
 	s.prepTemplates("rss.xml", rssTemplate)

hugolib/shortcode_test.go

@@ -499,6 +499,7 @@ e`,
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: false}},
+		Lang:    newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()

hugolib/site.go

@@ -92,6 +92,21 @@ type Site struct {
 	futureCount    int
 	expiredCount   int
 	Data           map[string]interface{}
+	Lang           *Language
+}
+
+// TODO(bep) multilingo
+// Reset returns a new Site prepared for rebuild.
+func (s *Site) Reset() *Site {
+	return &Site{Lang: s.Lang, Multilingual: s.Multilingual}
+}
+
+func NewSite(lang *Language) *Site {
+	return &Site{Lang: lang}
+}
+
+func newSiteDefaultLang() *Site {
+	return NewSite(newDefaultLanguage())
 }
 
 type targetList struct {
@@ -705,7 +720,7 @@ func (s *Site) Process() (err error) {
 		i18nSources = []source.Input{&source.Filesystem{Base: themeI18nDir}, i18nSources[0]}
 	}
 
-	if err = loadI18n(i18nSources, currentLanguageString()); err != nil {
+	if err = loadI18n(i18nSources, s.currentLanguageString()); err != nil {
 		return
 	}
 	s.timerStep("load i18n")
@@ -742,7 +757,7 @@ func (s *Site) setupTranslations() {
 		return
 	}
 
-	currentLang := currentLanguageString()
+	currentLang := s.currentLanguageString()
 
 	allTranslations := pagesToTranslationsMap(s.Multilingual, s.AllPages)
 	assignTranslationsToPages(allTranslations, s.AllPages)
@@ -819,20 +834,10 @@ func (s *Site) initialize() (err error) {
 func (s *Site) initializeSiteInfo() {
 
 	var (
-		lang      *Language
+		lang      *Language = s.Lang
 		languages Languages
 	)
 
-	cl := viper.Get("CurrentLanguage")
-	if cl == nil {
-		// Set default to english
-		// TODO(bep) multilingo this looks clumsy
-		lang = NewLanguage("en")
-		viper.Set("CurrentLanguage", lang)
-	} else {
-		lang = cl.(*Language)
-	}
-
 	if s.Multilingual != nil {
 		languages = s.Multilingual.Languages
 	}
@@ -1610,7 +1615,7 @@ func (s *Site) newTaxonomyNode(t taxRenderInfo) (*Node, string) {
 func (s *Site) addMultilingualPrefix(basePath string) string {
 	hadPrefix := strings.HasPrefix(basePath, "/")
 	if s.multilingualEnabled() {
-		basePath = path.Join(currentLanguageString(), basePath)
+		basePath = path.Join(s.currentLanguageString(), basePath)
 		if hadPrefix {
 			basePath = "/" + basePath
 		}
@@ -1961,7 +1966,7 @@ func (s *Site) renderRobotsTXT() error {
 
 // Stats prints Hugo builds stats to the console.
 // This is what you see after a successful hugo build.
-func (s *Site) Stats(lang string, t0 time.Time) {
+func (s *Site) Stats(t0 time.Time) {
 	jww.FEEDBACK.Println(s.draftStats())
 	jww.FEEDBACK.Println(s.futureStats())
 	jww.FEEDBACK.Println(s.expiredStats())
@@ -1974,9 +1979,9 @@ func (s *Site) Stats(lang string, t0 time.Time) {
 		jww.FEEDBACK.Printf("%d %s created\n", len(s.Taxonomies[pl]), pl)
 	}
 
-	if lang != "" {
-		jww.FEEDBACK.Printf("rendered lang %q in %v ms\n", lang, int(1000*time.Since(t0).Seconds()))
-	}
+	// TODO(bep) will always have lang. Not sure this should always be printed.
+	jww.FEEDBACK.Printf("rendered lang %q in %v ms\n", s.Lang.Lang, int(1000*time.Since(t0).Seconds()))
+
 }
 
 func (s *Site) setURLs(n *Node, in string) {

hugolib/site_test.go

@@ -215,7 +215,7 @@ func TestRenderThingOrDefault(t *testing.T) {
 
 	for i, test := range tests {
 
-		s := &Site{}
+		s := newSiteDefaultLang()
 
 		p, err := NewPageFrom(strings.NewReader(pageSimpleTitle), "content/a/file.md")
 		if err != nil {
@@ -262,6 +262,7 @@ func TestDraftAndFutureRender(t *testing.T) {
 	siteSetup := func() *Site {
 		s := &Site{
 			Source: &source.InMemorySource{ByteSource: sources},
+			Lang:   newDefaultLanguage(),
 		}
 
 		s.initializeSiteInfo()
@@ -320,6 +321,7 @@ func TestFutureExpirationRender(t *testing.T) {
 	siteSetup := func() *Site {
 		s := &Site{
 			Source: &source.InMemorySource{ByteSource: sources},
+			Lang:   newDefaultLanguage(),
 		}
 
 		s.initializeSiteInfo()
@@ -413,6 +415,7 @@ THE END.`, refShortcode)),
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: uglyURLs}},
+		Lang:    newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()
@@ -479,6 +482,7 @@ func doTestShouldAlwaysHaveUglyURLs(t *testing.T, uglyURLs bool) {
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: uglyURLs}},
+		Lang:    newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()
@@ -572,6 +576,7 @@ func doTestSectionNaming(t *testing.T, canonify, uglify, pluralize bool) {
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: uglify}},
+		Lang:    newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()
@@ -636,6 +641,7 @@ func TestSkipRender(t *testing.T) {
 	s := &Site{
 		Source:  &source.InMemorySource{ByteSource: sources},
 		targets: targetList{page: &target.PagePub{UglyURLs: true}},
+		Lang:    newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()
@@ -693,6 +699,7 @@ func TestAbsURLify(t *testing.T) {
 			s := &Site{
 				Source:  &source.InMemorySource{ByteSource: sources},
 				targets: targetList{page: &target.PagePub{UglyURLs: true}},
+				Lang:    newDefaultLanguage(),
 			}
 			t.Logf("Rendering with BaseURL %q and CanonifyURLs set %v", viper.GetString("baseURL"), canonify)
 			s.initializeSiteInfo()
@@ -788,6 +795,7 @@ func TestOrderedPages(t *testing.T) {
 	viper.Set("baseurl", "http://auth/bub")
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: weightedSources},
+		Lang:   newDefaultLanguage(),
 	}
 	s.initializeSiteInfo()
 
@@ -1040,6 +1048,7 @@ func TestWeightedTaxonomies(t *testing.T) {
 	viper.Set("taxonomies", taxonomies)
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: sources},
+		Lang:   newDefaultLanguage(),
 	}
 	s.initializeSiteInfo()
 
@@ -1107,6 +1116,7 @@ func setupLinkingMockSite(t *testing.T) *Site {
 
 	site := &Site{
 		Source: &source.InMemorySource{ByteSource: sources},
+		Lang:   newDefaultLanguage(),
 	}
 
 	site.initializeSiteInfo()
@@ -1402,13 +1412,13 @@ NOTE: should use the "permalinks" configuration with :filename
 	// Multilingual settings
 	viper.Set("Multilingual", true)
 	en := NewLanguage("en")
-	viper.Set("CurrentLanguage", en)
 	viper.Set("DefaultContentLanguage", "fr")
 	viper.Set("paginate", "2")
 
 	languages := NewLanguages(en, NewLanguage("fr"))
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: sources},
+		Lang:   en,
 		Multilingual: &Multilingual{
 			Languages: languages,
 		},

hugolib/site_url_test.go

@@ -73,7 +73,7 @@ func TestShouldNotAddTrailingSlashToBaseURL(t *testing.T) {
 		{"http://base.com", "http://base.com"}} {
 
 		viper.Set("BaseURL", this.in)
-		s := &Site{}
+		s := newSiteDefaultLang()
 		s.initializeSiteInfo()
 
 		if s.Info.BaseURL != template.URL(this.expected) {
@@ -93,6 +93,7 @@ func TestPageCount(t *testing.T) {
 	viper.Set("paginate", 10)
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: urlFakeSource},
+		Lang:   newDefaultLanguage(),
 	}
 	s.initializeSiteInfo()
 	s.prepTemplates("indexes/blue.html", indexTemplate)

hugolib/siteinfo_test.go

@@ -27,7 +27,7 @@ func TestSiteInfoParams(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("Params", map[string]interface{}{"MyGlobalParam": "FOOBAR_PARAM"})
-	s := &Site{}
+	s := newSiteDefaultLang()
 
 	s.initialize()
 	if s.Info.Params["MyGlobalParam"] != "FOOBAR_PARAM" {
@@ -53,7 +53,7 @@ func TestSiteInfoPermalinks(t *testing.T) {
 	defer viper.Reset()
 
 	viper.Set("Permalinks", map[string]interface{}{"section": "/:title"})
-	s := &Site{}
+	s := newSiteDefaultLang()
 
 	s.initialize()
 	permalink := s.Info.Permalinks["section"]

hugolib/sitemap_test.go

@@ -17,11 +17,12 @@ import (
 	"bytes"
 	"testing"
 
+	"reflect"
+
 	"github.com/spf13/hugo/helpers"
 	"github.com/spf13/hugo/hugofs"
 	"github.com/spf13/hugo/source"
 	"github.com/spf13/viper"
-	"reflect"
 )
 
 const SITEMAP_TEMPLATE = `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
@@ -45,6 +46,7 @@ func TestSitemapOutput(t *testing.T) {
 
 	s := &Site{
 		Source: &source.InMemorySource{ByteSource: weightedSources},
+		Lang:   newDefaultLanguage(),
 	}
 
 	s.initializeSiteInfo()