all: Unify case of config variable names

All config variables starts with low-case and uses camelCase.

If there is abbreviation at the beginning of the name, the whole
abbreviation will be written in low-case.
If there is abbreviation at the end of the name, the
whole abbreviation will be written in upper-case.
For example, rssURI.

20 files changed, 226 insertions, 226 deletions

diff --git a/hugolib/config.go b/hugolib/config.go
index 86c35964c..2dfe128a6 100644
--- a/hugolib/config.go
+++ b/hugolib/config.go
@@ -53,57 +53,57 @@ func LoadGlobalConfig(relativeSourcePath, configFilename string) error {
 
 func loadDefaultSettings() {
 	viper.SetDefault("cleanDestinationDir", false)
-	viper.SetDefault("Watch", false)
-	viper.SetDefault("MetaDataFormat", "toml")
-	viper.SetDefault("Disable404", false)
-	viper.SetDefault("DisableRSS", false)
-	viper.SetDefault("DisableSitemap", false)
-	viper.SetDefault("DisableRobotsTXT", false)
-	viper.SetDefault("ContentDir", "content")
-	viper.SetDefault("LayoutDir", "layouts")
-	viper.SetDefault("StaticDir", "static")
-	viper.SetDefault("ArchetypeDir", "archetypes")
-	viper.SetDefault("PublishDir", "public")
-	viper.SetDefault("DataDir", "data")
-	viper.SetDefault("I18nDir", "i18n")
-	viper.SetDefault("ThemesDir", "themes")
-	viper.SetDefault("DefaultLayout", "post")
-	viper.SetDefault("BuildDrafts", false)
-	viper.SetDefault("BuildFuture", false)
-	viper.SetDefault("BuildExpired", false)
-	viper.SetDefault("UglyURLs", false)
-	viper.SetDefault("Verbose", false)
-	viper.SetDefault("IgnoreCache", false)
-	viper.SetDefault("CanonifyURLs", false)
-	viper.SetDefault("RelativeURLs", false)
-	viper.SetDefault("RemovePathAccents", false)
-	viper.SetDefault("Taxonomies", map[string]string{"tag": "tags", "category": "categories"})
-	viper.SetDefault("Permalinks", make(PermalinkOverrides, 0))
-	viper.SetDefault("Sitemap", Sitemap{Priority: -1, Filename: "sitemap.xml"})
-	viper.SetDefault("DefaultExtension", "html")
-	viper.SetDefault("PygmentsStyle", "monokai")
-	viper.SetDefault("PygmentsUseClasses", false)
-	viper.SetDefault("PygmentsCodeFences", false)
-	viper.SetDefault("PygmentsOptions", "")
-	viper.SetDefault("DisableLiveReload", false)
-	viper.SetDefault("PluralizeListTitles", true)
-	viper.SetDefault("PreserveTaxonomyNames", false)
-	viper.SetDefault("ForceSyncStatic", false)
-	viper.SetDefault("FootnoteAnchorPrefix", "")
-	viper.SetDefault("FootnoteReturnLinkContents", "")
-	viper.SetDefault("NewContentEditor", "")
-	viper.SetDefault("Paginate", 10)
-	viper.SetDefault("PaginatePath", "page")
-	viper.SetDefault("Blackfriday", helpers.NewBlackfriday(viper.GetViper()))
-	viper.SetDefault("RSSUri", "index.xml")
-	viper.SetDefault("SectionPagesMenu", "")
-	viper.SetDefault("DisablePathToLower", false)
-	viper.SetDefault("HasCJKLanguage", false)
-	viper.SetDefault("EnableEmoji", false)
-	viper.SetDefault("PygmentsCodeFencesGuessSyntax", false)
-	viper.SetDefault("UseModTimeAsFallback", false)
-	viper.SetDefault("CurrentContentLanguage", helpers.NewDefaultLanguage())
-	viper.SetDefault("DefaultContentLanguage", "en")
-	viper.SetDefault("DefaultContentLanguageInSubdir", false)
-	viper.SetDefault("EnableMissingTranslationPlaceholders", false)
+	viper.SetDefault("watch", false)
+	viper.SetDefault("metaDataFormat", "toml")
+	viper.SetDefault("disable404", false)
+	viper.SetDefault("disableRSS", false)
+	viper.SetDefault("disableSitemap", false)
+	viper.SetDefault("disableRobotsTXT", false)
+	viper.SetDefault("contentDir", "content")
+	viper.SetDefault("layoutDir", "layouts")
+	viper.SetDefault("staticDir", "static")
+	viper.SetDefault("archetypeDir", "archetypes")
+	viper.SetDefault("publishDir", "public")
+	viper.SetDefault("dataDir", "data")
+	viper.SetDefault("i18nDir", "i18n")
+	viper.SetDefault("themesDir", "themes")
+	viper.SetDefault("defaultLayout", "post")
+	viper.SetDefault("buildDrafts", false)
+	viper.SetDefault("buildFuture", false)
+	viper.SetDefault("buildExpired", false)
+	viper.SetDefault("uglyURLs", false)
+	viper.SetDefault("verbose", false)
+	viper.SetDefault("ignoreCache", false)
+	viper.SetDefault("canonifyURLs", false)
+	viper.SetDefault("relativeURLs", false)
+	viper.SetDefault("removePathAccents", false)
+	viper.SetDefault("taxonomies", map[string]string{"tag": "tags", "category": "categories"})
+	viper.SetDefault("permalinks", make(PermalinkOverrides, 0))
+	viper.SetDefault("sitemap", Sitemap{Priority: -1, Filename: "sitemap.xml"})
+	viper.SetDefault("defaultExtension", "html")
+	viper.SetDefault("pygmentsStyle", "monokai")
+	viper.SetDefault("pygmentsUseClasses", false)
+	viper.SetDefault("pygmentsCodeFences", false)
+	viper.SetDefault("pygmentsOptions", "")
+	viper.SetDefault("disableLiveReload", false)
+	viper.SetDefault("pluralizeListTitles", true)
+	viper.SetDefault("preserveTaxonomyNames", false)
+	viper.SetDefault("forceSyncStatic", false)
+	viper.SetDefault("footnoteAnchorPrefix", "")
+	viper.SetDefault("footnoteReturnLinkContents", "")
+	viper.SetDefault("newContentEditor", "")
+	viper.SetDefault("paginate", 10)
+	viper.SetDefault("paginatePath", "page")
+	viper.SetDefault("blackfriday", helpers.NewBlackfriday(viper.GetViper()))
+	viper.SetDefault("rSSUri", "index.xml")
+	viper.SetDefault("sectionPagesMenu", "")
+	viper.SetDefault("disablePathToLower", false)
+	viper.SetDefault("hasCJKLanguage", false)
+	viper.SetDefault("enableEmoji", false)
+	viper.SetDefault("pygmentsCodeFencesGuessSyntax", false)
+	viper.SetDefault("useModTimeAsFallback", false)
+	viper.SetDefault("currentContentLanguage", helpers.NewDefaultLanguage())
+	viper.SetDefault("defaultContentLanguage", "en")
+	viper.SetDefault("defaultContentLanguageInSubdir", false)
+	viper.SetDefault("enableMissingTranslationPlaceholders", false)
 }
diff --git a/hugolib/config_test.go b/hugolib/config_test.go
index 8c307bd25..6a2325fc9 100644
--- a/hugolib/config_test.go
+++ b/hugolib/config_test.go
@@ -35,5 +35,5 @@ func TestLoadGlobalConfig(t *testing.T) {
 	require.NoError(t, LoadGlobalConfig("", "hugo.toml"))
 	assert.Equal(t, "side", helpers.Config().GetString("paginatePath"))
 	// default
-	assert.Equal(t, "layouts", viper.GetString("LayoutDir"))
+	assert.Equal(t, "layouts", viper.GetString("layoutDir"))
 }
diff --git a/hugolib/embedded_shortcodes_test.go b/hugolib/embedded_shortcodes_test.go
index e2d2f6d2e..f5f4d1eeb 100644
--- a/hugolib/embedded_shortcodes_test.go
+++ b/hugolib/embedded_shortcodes_test.go
@@ -81,8 +81,8 @@ func TestShortcodeHighlight(t *testing.T) {
 	if !helpers.HasPygments() {
 		t.Skip("Skip test as Pygments is not installed")
 	}
-	viper.Set("PygmentsStyle", "bw")
-	viper.Set("PygmentsUseClasses", false)
+	viper.Set("pygmentsStyle", "bw")
+	viper.Set("pygmentsUseClasses", false)
 
 	for i, this := range []struct {
 		in, expected string
@@ -311,7 +311,7 @@ func TestShortcodeTweet(t *testing.T) {
 		templ.Lookup("").Funcs(tweetFuncMap)
 
 		p, _ := pageFromString(simplePage, "simple.md")
-		cacheFileID := viper.GetString("CacheDir") + url.QueryEscape("https://api.twitter.com/1/statuses/oembed.json?id=666616452582129664")
+		cacheFileID := viper.GetString("cacheDir") + url.QueryEscape("https://api.twitter.com/1/statuses/oembed.json?id=666616452582129664")
 		defer os.Remove(cacheFileID)
 		output, err := HandleShortcodes(this.in, p, templ)
 
diff --git a/hugolib/handler_page.go b/hugolib/handler_page.go
index c1f83d716..c71936954 100644
--- a/hugolib/handler_page.go
+++ b/hugolib/handler_page.go
@@ -114,7 +114,7 @@ func commonConvert(p *Page, t tpl.Template) HandledResult {
 
 	// TODO(bep) these page handlers need to be re-evaluated, as it is hard to
 	// process a page in isolation. See the new preRender func.
-	if viper.GetBool("EnableEmoji") {
+	if viper.GetBool("enableEmoji") {
 		p.rawContent = helpers.Emojify(p.rawContent)
 	}
 
diff --git a/hugolib/handler_test.go b/hugolib/handler_test.go
index 0e59510d3..ba5daa8c2 100644
--- a/hugolib/handler_test.go
+++ b/hugolib/handler_test.go
@@ -40,7 +40,7 @@ func TestDefaultHandler(t *testing.T) {
 		{Name: filepath.FromSlash("sect/doc8.html"), Content: []byte("---\nmarkup: md\n---\n# title\nsome *content*")},
 	}
 
-	viper.Set("DefaultExtension", "html")
+	viper.Set("defaultExtension", "html")
 	viper.Set("verbose", true)
 
 	s := &Site{
diff --git a/hugolib/hugo_sites.go b/hugolib/hugo_sites.go
index ae31132c3..b96a13bbf 100644
--- a/hugolib/hugo_sites.go
+++ b/hugolib/hugo_sites.go
@@ -73,7 +73,7 @@ func NewHugoSitesFromConfiguration() (*HugoSites, error) {
 
 func createSitesFromConfig() ([]*Site, error) {
 	var sites []*Site
-	multilingual := viper.GetStringMap("Languages")
+	multilingual := viper.GetStringMap("languages")
 	if len(multilingual) == 0 {
 		sites = append(sites, newSite(helpers.NewDefaultLanguage()))
 	}
@@ -339,12 +339,12 @@ func (h *HugoSites) render() error {
 		return nil
 	}
 
-	if viper.GetBool("DisableSitemap") {
+	if viper.GetBool("disableSitemap") {
 		return nil
 	}
 
 	// TODO(bep) DRY
-	sitemapDefault := parseSitemap(viper.GetStringMap("Sitemap"))
+	sitemapDefault := parseSitemap(viper.GetStringMap("sitemap"))
 
 	s := h.Sites[0]
 
diff --git a/hugolib/hugo_sites_test.go b/hugolib/hugo_sites_test.go
index dbbcd0277..66c818acf 100644
--- a/hugolib/hugo_sites_test.go
+++ b/hugolib/hugo_sites_test.go
@@ -40,7 +40,7 @@ func testCommonResetState() {
 	loadDefaultSettings()
 
 	// Default is false, but true is easier to use as default in tests
-	viper.Set("DefaultContentLanguageInSubdir", true)
+	viper.Set("defaultContentLanguageInSubdir", true)
 
 	if err := hugofs.Source().Mkdir("content", 0755); err != nil {
 		panic("Content folder creation failed.")
@@ -56,7 +56,7 @@ func TestMultiSitesMainLangInRoot(t *testing.T) {
 
 func doTestMultiSitesMainLangInRoot(t *testing.T, defaultInSubDir bool) {
 	testCommonResetState()
-	viper.Set("DefaultContentLanguageInSubdir", defaultInSubDir)
+	viper.Set("defaultContentLanguageInSubdir", defaultInSubDir)
 	siteConfig := testSiteConfig{DefaultContentLanguage: "fr"}
 
 	sites := createMultiTestSites(t, siteConfig, multiSiteTOMLConfigTemplate)
@@ -155,7 +155,7 @@ func doTestMultiSitesMainLangInRoot(t *testing.T, defaultInSubDir bool) {
 }
 
 func replaceDefaultContentLanguageValue(value string, defaultInSubDir bool) string {
-	replace := viper.GetString("DefaultContentLanguage") + "/"
+	replace := viper.GetString("defaultContentLanguage") + "/"
 	if !defaultInSubDir {
 		value = strings.Replace(value, replace, "", 1)
 
@@ -639,7 +639,7 @@ title = "Svenska"
 
 func TestChangeDefaultLanguage(t *testing.T) {
 	testCommonResetState()
-	viper.Set("DefaultContentLanguageInSubdir", false)
+	viper.Set("defaultContentLanguageInSubdir", false)
 
 	sites := createMultiTestSites(t, testSiteConfig{DefaultContentLanguage: "fr"}, multiSiteTOMLConfigTemplate)
 	cfg := BuildCfg{}
@@ -771,14 +771,14 @@ var tocPageWithShortcodesInHeadingsExpected = `<nav id="TableOfContents">
 </nav>`
 
 var multiSiteTOMLConfigTemplate = `
-DefaultExtension = "html"
-baseurl = "http://example.com/blog"
-DisableSitemap = false
-DisableRSS = false
-RSSUri = "index.xml"
+defaultExtension = "html"
+baseURL = "http://example.com/blog"
+disableSitemap = false
+disableRSS = false
+rssURI = "index.xml"
 
 paginate = 1
-DefaultContentLanguage = "{{ .DefaultContentLanguage }}"
+defaultContentLanguage = "{{ .DefaultContentLanguage }}"
 
 [permalinks]
 other = "/somewhere/else/:filename"
@@ -830,14 +830,14 @@ lag = "lag"
 `
 
 var multiSiteYAMLConfig = `
-DefaultExtension: "html"
-baseurl: "http://example.com/blog"
-DisableSitemap: false
-DisableRSS: false
-RSSUri: "index.xml"
+defaultExtension: "html"
+baseURL: "http://example.com/blog"
+disableSitemap: false
+disableRSS: false
+rssURI: "index.xml"
 
 paginate: 1
-DefaultContentLanguage: "fr"
+defaultContentLanguage: "fr"
 
 permalinks:
     other: "/somewhere/else/:filename"
@@ -890,13 +890,13 @@ Languages:
 
 var multiSiteJSONConfig = `
 {
-  "DefaultExtension": "html",
-  "baseurl": "http://example.com/blog",
-  "DisableSitemap": false,
-  "DisableRSS": false,
-  "RSSUri": "index.xml",
+  "defaultExtension": "html",
+  "baseURL": "http://example.com/blog",
+  "disableSitemap": false,
+  "disableRSS": false,
+  "rssURI": "index.xml",
   "paginate": 1,
-  "DefaultContentLanguage": "fr",
+  "defaultContentLanguage": "fr",
   "permalinks": {
     "other": "/somewhere/else/:filename"
   },
@@ -1080,7 +1080,7 @@ publishdate: "2000-01-05"
 ---
 # doc4
 *du contenu francophone*
-NOTE: should use the DefaultContentLanguage and mark this doc as 'fr'.
+NOTE: should use the defaultContentLanguage and mark this doc as 'fr'.
 NOTE: doesn't have any corresponding translation in 'en'
 `)},
 		{Name: filepath.FromSlash("other/doc5.fr.md"), Content: []byte(`---
diff --git a/hugolib/menu_test.go b/hugolib/menu_test.go
index 5ca8af8e5..38bcd1c05 100644
--- a/hugolib/menu_test.go
+++ b/hugolib/menu_test.go
@@ -376,7 +376,7 @@ func TestMenuWithUnicodeURLs(t *testing.T) {
 func doTestMenuWithUnicodeURLs(t *testing.T, canonifyURLs bool) {
 	testCommonResetState()
 
-	viper.Set("CanonifyURLs", canonifyURLs)
+	viper.Set("canonifyURLs", canonifyURLs)
 
 	s := setupMenuTests(t, menuPageSources)
 
@@ -398,12 +398,12 @@ func TestSectionPagesMenu(t *testing.T) {
 	doTestSectionPagesMenu(false, t)
 }
 
-func doTestSectionPagesMenu(canonifyUrls bool, t *testing.T) {
+func doTestSectionPagesMenu(canonifyURLs bool, t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("SectionPagesMenu", "spm")
+	viper.Set("sectionPagesMenu", "spm")
 
-	viper.Set("CanonifyURLs", canonifyUrls)
+	viper.Set("canonifyURLs", canonifyURLs)
 	s := setupMenuTests(t, menuPageSectionsSources)
 
 	assert.Equal(t, 3, len(s.Sections))
@@ -459,7 +459,7 @@ func doTestSectionPagesMenu(canonifyUrls bool, t *testing.T) {
 func TestTaxonomyNodeMenu(t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("CanonifyURLs", true)
+	viper.Set("canonifyURLs", true)
 	s := setupMenuTests(t, menuPageSources)
 
 	for i, this := range []struct {
@@ -544,8 +544,8 @@ func TestMenuSortByN(t *testing.T) {
 func TestHomeNodeMenu(t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("CanonifyURLs", true)
-	viper.Set("UglyURLs", true)
+	viper.Set("canonifyURLs", true)
+	viper.Set("uglyURLs", true)
 
 	s := setupMenuTests(t, menuPageSources)
 
@@ -660,11 +660,11 @@ func setupTestMenuState(t *testing.T) {
 	menus, err := tomlToMap(confMenu1)
 
 	if err != nil {
-		t.Fatalf("Unable to Read menus: %v", err)
+		t.Fatalf("Unable to read menus: %v", err)
 	}
 
 	viper.Set("menu", menus["menu"])
-	viper.Set("baseurl", "http://foo.local/Zoo/")
+	viper.Set("baseURL", "http://foo.local/Zoo/")
 }
 
 func setupMenuTests(t *testing.T, pageSources []source.ByteSource) *Site {
diff --git a/hugolib/page.go b/hugolib/page.go
index 484425697..f16e5ea33 100644
--- a/hugolib/page.go
+++ b/hugolib/page.go
@@ -588,10 +588,10 @@ func (p *Page) permalink() (*url.URL, error) {
 		// fmt.Printf("have a section override for %q in section %s → %s\n", p.Title, p.Section, permalink)
 	} else {
 		if len(pSlug) > 0 {
-			permalink = helpers.URLPrep(viper.GetBool("UglyURLs"), path.Join(dir, p.Slug+"."+p.Extension()))
+			permalink = helpers.URLPrep(viper.GetBool("uglyURLs"), path.Join(dir, p.Slug+"."+p.Extension()))
 		} else {
 			t := p.Source.TranslationBaseName()
-			permalink = helpers.URLPrep(viper.GetBool("UglyURLs"), path.Join(dir, helpers.ReplaceExtension(strings.TrimSpace(t), p.Extension())))
+			permalink = helpers.URLPrep(viper.GetBool("uglyURLs"), path.Join(dir, helpers.ReplaceExtension(strings.TrimSpace(t), p.Extension())))
 		}
 	}
 
@@ -604,7 +604,7 @@ func (p *Page) Extension() string {
 	if p.extension != "" {
 		return p.extension
 	}
-	return viper.GetString("DefaultExtension")
+	return viper.GetString("defaultExtension")
 }
 
 // AllTranslations returns all translations, including the current Page.
@@ -637,8 +637,8 @@ func (p *Page) LinkTitle() string {
 }
 
 func (p *Page) shouldBuild() bool {
-	return shouldBuild(viper.GetBool("BuildFuture"), viper.GetBool("BuildExpired"),
-		viper.GetBool("BuildDrafts"), p.Draft, p.PublishDate, p.ExpiryDate)
+	return shouldBuild(viper.GetBool("buildFuture"), viper.GetBool("buildExpired"),
+		viper.GetBool("buildDrafts"), p.Draft, p.PublishDate, p.ExpiryDate)
 }
 
 func shouldBuild(buildFuture bool, buildExpired bool, buildDrafts bool, Draft bool,
@@ -697,7 +697,7 @@ func (p *Page) RelPermalink() (string, error) {
 		return "", err
 	}
 
-	if viper.GetBool("CanonifyURLs") {
+	if viper.GetBool("canonifyURLs") {
 		// replacements for relpermalink with baseURL on the form http://myhost.com/sub/ will fail later on
 		// have to return the URL relative from baseURL
 		relpath, err := helpers.GetRelativePath(link.String(), string(p.Site.BaseURL))
@@ -842,8 +842,8 @@ func (p *Page) update(f interface{}) error {
 		p.Draft = !*published
 	}
 
-	if p.Date.IsZero() && viper.GetBool("UseModTimeAsFallback") {
-		fi, err := hugofs.Source().Stat(filepath.Join(helpers.AbsPathify(viper.GetString("ContentDir")), p.File.Path()))
+	if p.Date.IsZero() && viper.GetBool("useModTimeAsFallback") {
+		fi, err := hugofs.Source().Stat(filepath.Join(helpers.AbsPathify(viper.GetString("contentDir")), p.File.Path()))
 		if err == nil {
 			p.Date = fi.ModTime()
 		}
@@ -855,7 +855,7 @@ func (p *Page) update(f interface{}) error {
 
 	if isCJKLanguage != nil {
 		p.isCJKLanguage = *isCJKLanguage
-	} else if viper.GetBool("HasCJKLanguage") {
+	} else if viper.GetBool("hasCJKLanguage") {
 		if cjk.Match(p.rawContent) {
 			p.isCJKLanguage = true
 		} else {
diff --git a/hugolib/page_permalink_test.go b/hugolib/page_permalink_test.go
index eb3a6c878..fd8f11dda 100644
--- a/hugolib/page_permalink_test.go
+++ b/hugolib/page_permalink_test.go
@@ -59,10 +59,10 @@ func TestPermalink(t *testing.T) {
 		{"x/y/z/boofar.md", "", "", "/z/y/q/", false, false, "/z/y/q/", "/z/y/q/"},
 	}
 
-	viper.Set("DefaultExtension", "html")
+	viper.Set("defaultExtension", "html")
 	for i, test := range tests {
-		viper.Set("uglyurls", test.uglyURLs)
-		viper.Set("canonifyurls", test.canonifyURLs)
+		viper.Set("uglyURLs", test.uglyURLs)
+		viper.Set("canonifyURLs", test.canonifyURLs)
 		info := newSiteInfo(siteBuilderCfg{baseURL: string(test.base), language: helpers.NewDefaultLanguage()})
 
 		p := &Page{
diff --git a/hugolib/page_test.go b/hugolib/page_test.go
index 342ff3bd5..16437d0f3 100644
--- a/hugolib/page_test.go
+++ b/hugolib/page_test.go
@@ -830,7 +830,7 @@ func TestWordCountWithAllCJKRunesWithoutHasCJKLanguage(t *testing.T) {
 
 func TestWordCountWithAllCJKRunesHasCJKLanguage(t *testing.T) {
 	testCommonResetState()
-	viper.Set("HasCJKLanguage", true)
+	viper.Set("hasCJKLanguage", true)
 
 	assertFunc := func(t *testing.T, ext string, pages Pages) {
 		p := pages[0]
@@ -844,7 +844,7 @@ func TestWordCountWithAllCJKRunesHasCJKLanguage(t *testing.T) {
 func TestWordCountWithMainEnglishWithCJKRunes(t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("HasCJKLanguage", true)
+	viper.Set("hasCJKLanguage", true)
 
 	assertFunc := func(t *testing.T, ext string, pages Pages) {
 		p := pages[0]
@@ -863,7 +863,7 @@ func TestWordCountWithMainEnglishWithCJKRunes(t *testing.T) {
 
 func TestWordCountWithIsCJKLanguageFalse(t *testing.T) {
 	testCommonResetState()
-	viper.Set("HasCJKLanguage", true)
+	viper.Set("hasCJKLanguage", true)
 
 	assertFunc := func(t *testing.T, ext string, pages Pages) {
 		p := pages[0]
@@ -1099,7 +1099,7 @@ func TestSliceToLower(t *testing.T) {
 func TestPagePaths(t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("DefaultExtension", "html")
+	viper.Set("defaultExtension", "html")
 	siteParmalinksSetting := PermalinkOverrides{
 		"post": ":year/:month/:day/:title/",
 	}
diff --git a/hugolib/pagination_test.go b/hugolib/pagination_test.go
index 7bbc38058..7b599a80b 100644
--- a/hugolib/pagination_test.go
+++ b/hugolib/pagination_test.go
@@ -195,7 +195,7 @@ func doTestPagerNoPages(t *testing.T, paginator *paginator) {
 func TestPaginationURLFactory(t *testing.T) {
 	testCommonResetState()
 
-	viper.Set("PaginatePath", "zoo")
+	viper.Set("paginatePath", "zoo")
 	unicode := newPaginationURLFactory("новости проекта")
 	fooBar := newPaginationURLFactory("foo", "bar")
 
diff --git a/hugolib/robotstxt_test.go b/hugolib/robotstxt_test.go
index 5b6c90826..2faabda7b 100644
--- a/hugolib/robotstxt_test.go
+++ b/hugolib/robotstxt_test.go
@@ -34,7 +34,7 @@ func TestRobotsTXTOutput(t *testing.T) {
 
 	hugofs.InitMemFs()
 
-	viper.Set("baseurl", "http://auth/bub/")
+	viper.Set("baseURL", "http://auth/bub/")
 	viper.Set("enableRobotsTXT", true)
 
 	s := &Site{
@@ -54,6 +54,6 @@ func TestRobotsTXTOutput(t *testing.T) {
 
 	robots := helpers.ReaderToBytes(robotsFile)
 	if !bytes.HasPrefix(robots, []byte("User-agent: Googlebot")) {
-		t.Errorf("Robots file should start with 'User-agentL Googlebot'. %s", robots)
+		t.Errorf("Robots file should start with 'User-agent: Googlebot'. %s", robots)
 	}
 }
diff --git a/hugolib/rss_test.go b/hugolib/rss_test.go
index f0ab1c2c3..2bf849f9e 100644
--- a/hugolib/rss_test.go
+++ b/hugolib/rss_test.go
@@ -45,8 +45,8 @@ func TestRSSOutput(t *testing.T) {
 	testCommonResetState()
 
 	rssURI := "public/customrss.xml"
-	viper.Set("baseurl", "http://auth/bub/")
-	viper.Set("RSSUri", rssURI)
+	viper.Set("baseURL", "http://auth/bub/")
+	viper.Set("rssURI", rssURI)
 
 	for _, s := range weightedSources {
 		writeSource(t, filepath.Join("content", s.Name), string(s.Content))
diff --git a/hugolib/shortcode_test.go b/hugolib/shortcode_test.go
index 54abdecd9..b2685e2ec 100644
--- a/hugolib/shortcode_test.go
+++ b/hugolib/shortcode_test.go
@@ -305,8 +305,8 @@ func TestHighlight(t *testing.T) {
 	if !helpers.HasPygments() {
 		t.Skip("Skip test as Pygments is not installed")
 	}
-	viper.Set("PygmentsStyle", "bw")
-	viper.Set("PygmentsUseClasses", false)
+	viper.Set("pygmentsStyle", "bw")
+	viper.Set("pygmentsUseClasses", false)
 
 	templ := tpl.New()
 
@@ -455,14 +455,14 @@ func TestShortcodesInSite(t *testing.T) {
 	testCommonResetState()
 
 	baseURL := "http://foo/bar"
-	viper.Set("DefaultExtension", "html")
-	viper.Set("DefaultContentLanguage", "en")
-	viper.Set("baseurl", baseURL)
-	viper.Set("UglyURLs", false)
+	viper.Set("defaultExtension", "html")
+	viper.Set("defaultContentLanguage", "en")
+	viper.Set("baseURL", baseURL)
+	viper.Set("uglyURLs", false)
 	viper.Set("verbose", true)
 
-	viper.Set("pygmentsuseclasses", true)
-	viper.Set("pygmentscodefences", true)
+	viper.Set("pygmentsUseClasses", true)
+	viper.Set("pygmentsCodefences", true)
 
 	tests := []struct {
 		contentPath string
diff --git a/hugolib/site.go b/hugolib/site.go
index 7f96bb5aa..b094142af 100644
--- a/hugolib/site.go
+++ b/hugolib/site.go
@@ -819,8 +819,8 @@ func (s *Site) setupPrevNext() {
 
 func (s *Site) setCurrentLanguageConfig() error {
 	// There are sadly some global template funcs etc. that need the language information.
-	viper.Set("Multilingual", s.multilingualEnabled())
-	viper.Set("CurrentContentLanguage", s.Language)
+	viper.Set("multilingual", s.multilingualEnabled())
+	viper.Set("currentContentLanguage", s.Language)
 	// Cache the current config.
 	helpers.InitConfigProviderForCurrentContentLanguage()
 	return tpl.SetTranslateLang(s.Language)
@@ -886,7 +886,7 @@ func (s *Site) initialize() (err error) {
 		return err
 	}
 
-	staticDir := helpers.AbsPathify(viper.GetString("StaticDir") + "/")
+	staticDir := helpers.AbsPathify(viper.GetString("staticDir") + "/")
 
 	s.Source = &source.Filesystem{
 		AvoidPaths: []string{staticDir},
@@ -907,7 +907,7 @@ func (s *SiteInfo) HomeAbsURL() string {
 
 // SitemapAbsURL is a convenience method giving the absolute URL to the sitemap.
 func (s *SiteInfo) SitemapAbsURL() string {
-	sitemapDefault := parseSitemap(viper.GetStringMap("Sitemap"))
+	sitemapDefault := parseSitemap(viper.GetStringMap("sitemap"))
 	p := s.HomeAbsURL()
 	if !strings.HasSuffix(p, "/") {
 		p += "/"
@@ -930,12 +930,12 @@ func (s *Site) initializeSiteInfo() {
 	params := lang.Params()
 
 	permalinks := make(PermalinkOverrides)
-	for k, v := range viper.GetStringMapString("Permalinks") {
+	for k, v := range viper.GetStringMapString("permalinks") {
 		permalinks[k] = pathPattern(v)
 	}
 
-	defaultContentInSubDir := viper.GetBool("DefaultContentLanguageInSubdir")
-	defaultContentLanguage := viper.GetString("DefaultContentLanguage")
+	defaultContentInSubDir := viper.GetBool("defaultContentLanguageInSubdir")
+	defaultContentLanguage := viper.GetString("defaultContentLanguage")
 
 	languagePrefix := ""
 	if s.multilingualEnabled() && (defaultContentIn