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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 (
"errors"
"fmt"
"io"
"strings"
"github.com/gohugoio/hugo/config"
"github.com/gohugoio/hugo/helpers"
"github.com/spf13/afero"
"github.com/spf13/viper"
)
// LoadConfig loads Hugo configuration into a new Viper and then adds
// a set of defaults.
func LoadConfig(fs afero.Fs, relativeSourcePath, configFilename string) (*viper.Viper, error) {
v := viper.New()
v.SetFs(fs)
if relativeSourcePath == "" {
relativeSourcePath = "."
}
configFilenames := strings.Split(configFilename, ",")
v.AutomaticEnv()
v.SetEnvPrefix("hugo")
v.SetConfigFile(configFilenames[0])
// See https://github.com/spf13/viper/issues/73#issuecomment-126970794
if relativeSourcePath == "" {
v.AddConfigPath(".")
} else {
v.AddConfigPath(relativeSourcePath)
}
err := v.ReadInConfig()
if err != nil {
if _, ok := err.(viper.ConfigParseError); ok {
return nil, err
}
return nil, fmt.Errorf("Unable to locate Config file. Perhaps you need to create a new site.\n Run `hugo help new` for details. (%s)\n", err)
}
for _, configFile := range configFilenames[1:] {
var r io.Reader
var err error
if r, err = fs.Open(configFile); err != nil {
return nil, fmt.Errorf("Unable to open Config file.\n (%s)\n", err)
}
if err = v.MergeConfig(r); err != nil {
return nil, fmt.Errorf("Unable to parse/merge Config file (%s).\n (%s)\n", configFile, err)
}
}
v.RegisterAlias("indexes", "taxonomies")
// Remove these in Hugo 0.33.
if v.IsSet("disable404") {
helpers.Deprecated("site config", "disable404", "Use disableKinds=[\"404\"]", true)
}
if v.IsSet("disableRSS") {
helpers.Deprecated("site config", "disableRSS", "Use disableKinds=[\"RSS\"]", true)
}
if v.IsSet("disableSitemap") {
helpers.Deprecated("site config", "disableSitemap", "Use disableKinds= [\"sitemap\"]", true)
}
if v.IsSet("disableRobotsTXT") {
helpers.Deprecated("site config", "disableRobotsTXT", "Use disableKinds= [\"robotsTXT\"]", true)
}
if err := loadDefaultSettingsFor(v); err != nil {
return v, err
}
return v, nil
}
func loadLanguageSettings(cfg config.Provider, oldLangs helpers.Languages) error {
multilingual := cfg.GetStringMap("languages")
var (
langs helpers.Languages
err error
)
if len(multilingual) == 0 {
langs = append(langs, helpers.NewDefaultLanguage(cfg))
} else {
langs, err = toSortedLanguages(cfg, multilingual)
if err != nil {
return fmt.Errorf("Failed to parse multilingual config: %s", err)
}
}
if oldLangs != nil {
// When in multihost mode, the languages are mapped to a server, so
// some structural language changes will need a restart of the dev server.
// The validation below isn't complete, but should cover the most
// important cases.
var invalid bool
if langs.IsMultihost() != oldLangs.IsMultihost() {
invalid = true
} else {
if langs.IsMultihost() && len(langs) != len(oldLangs) {
invalid = true
}
}
if invalid {
return errors.New("language change needing a server restart detected")
}
if langs.IsMultihost() {
// We need to transfer any server baseURL to the new language
for i, ol := range oldLangs {
nl := langs[i]
nl.Set("baseURL", ol.GetString("baseURL"))
}
}
}
cfg.Set("languagesSorted", langs)
cfg.Set("multilingual", len(langs) > 1)
// The baseURL may be provided at the language level. If that is true,
// then every language must have a baseURL. In this case we always render
// to a language sub folder, which is then stripped from all the Permalink URLs etc.
var baseURLFromLang bool
for _, l := range langs {
burl := l.GetLocal("baseURL")
if baseURLFromLang && burl == nil {
return errors.New("baseURL must be set on all or none of the languages")
}
if burl != nil {
baseURLFromLang = true
}
}
if baseURLFromLang {
cfg.Set("defaultContentLanguageInSubdir", true)
cfg.Set("multihost", true)
}
return nil
}
func loadDefaultSettingsFor(v *viper.Viper) error {
c, err := helpers.NewContentSpec(v)
if err != nil {
return err
}
v.SetDefault("cleanDestinationDir", false)
v.SetDefault("watch", false)
v.SetDefault("metaDataFormat", "toml")
v.SetDefault("disable404", false)
v.SetDefault("disableRSS", false)
v.SetDefault("disableSitemap", false)
v.SetDefault("disableRobotsTXT", false)
v.SetDefault("contentDir", "content")
v.SetDefault("layoutDir", "layouts")
v.SetDefault("staticDir", "static")
v.SetDefault("resourceDir", "resources")
v.SetDefault("archetypeDir", "archetypes")
v.SetDefault("publishDir", "public")
v.SetDefault("dataDir", "data")
v.SetDefault("i18nDir", "i18n")
v.SetDefault("themesDir", "themes")
v.SetDefault("defaultLayout", "post")
v.SetDefault("buildDrafts", false)
v.SetDefault("buildFuture", false)
v.SetDefault("buildExpired", false)
v.SetDefault("uglyURLs", false)
v.SetDefault("verbose", false)
v.SetDefault("ignoreCache", false)
v.SetDefault("canonifyURLs", false)
v.SetDefault("relativeURLs", false)
v.SetDefault("removePathAccents", false)
v.SetDefault("titleCaseStyle", "AP")
v.SetDefault("taxonomies", map[string]string{"tag": "tags", "category": "categories"})
v.SetDefault("permalinks", make(PermalinkOverrides, 0))
v.SetDefault("sitemap", Sitemap{Priority: -1, Filename: "sitemap.xml"})
v.SetDefault("pygmentsStyle", "monokai")
v.SetDefault("pygmentsUseClasses", false)
v.SetDefault("pygmentsCodeFences", false)
v.SetDefault("pygmentsUseClassic", false)
v.SetDefault("pygmentsOptions", "")
v.SetDefault("disableLiveReload", false)
v.SetDefault("pluralizeListTitles", true)
v.SetDefault("preserveTaxonomyNames", false)
v.SetDefault("forceSyncStatic", false)
v.SetDefault("footnoteAnchorPrefix", "")
v.SetDefault("footnoteReturnLinkContents", "")
v.SetDefault("newContentEditor", "")
v.SetDefault("paginate", 10)
v.SetDefault("paginatePath", "page")
v.SetDefault("summaryLength", 70)
v.SetDefault("blackfriday", c.BlackFriday)
v.SetDefault("rSSUri", "index.xml")
v.SetDefault("rssLimit", -1)
v.SetDefault("sectionPagesMenu", "")
v.SetDefault("disablePathToLower", false)
v.SetDefault("hasCJKLanguage", false)
v.SetDefault("enableEmoji", false)
v.SetDefault("pygmentsCodeFencesGuessSyntax", false)
v.SetDefault("useModTimeAsFallback", false)
v.SetDefault("defaultContentLanguage", "en")
v.SetDefault("defaultContentLanguageInSubdir", false)
v.SetDefault("enableMissingTranslationPlaceholders", false)
v.SetDefault("enableGitInfo", false)
v.SetDefault("ignoreFiles", make([]string, 0))
v.SetDefault("disableAliases", false)
v.SetDefault("debug", false)
v.SetDefault("disableFastRender", false)
return loadLanguageSettings(v, nil)
}
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