mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
565 lines
16 KiB
Go
565 lines
16 KiB
Go
// Copyright 2023 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 allconfig contains the full configuration for Hugo.
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package allconfig
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"github.com/gobwas/glob"
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"github.com/gohugoio/hugo/common/herrors"
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"github.com/gohugoio/hugo/common/hexec"
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"github.com/gohugoio/hugo/common/hugo"
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"github.com/gohugoio/hugo/common/loggers"
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"github.com/gohugoio/hugo/common/maps"
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"github.com/gohugoio/hugo/common/paths"
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"github.com/gohugoio/hugo/common/types"
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"github.com/gohugoio/hugo/config"
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"github.com/gohugoio/hugo/helpers"
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hglob "github.com/gohugoio/hugo/hugofs/glob"
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"github.com/gohugoio/hugo/modules"
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"github.com/gohugoio/hugo/parser/metadecoders"
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"github.com/spf13/afero"
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)
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var ErrNoConfigFile = errors.New("Unable to locate config file or config directory. Perhaps you need to create a new site.\n Run `hugo help new` for details.\n")
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func LoadConfig(d ConfigSourceDescriptor) (*Configs, error) {
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if len(d.Environ) == 0 && !hugo.IsRunningAsTest() {
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d.Environ = os.Environ()
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}
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l := &configLoader{ConfigSourceDescriptor: d, cfg: config.New()}
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// Make sure we always do this, even in error situations,
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// as we have commands (e.g. "hugo mod init") that will
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// use a partial configuration to do its job.
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defer l.deleteMergeStrategies()
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res, _, err := l.loadConfigMain(d)
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if err != nil {
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return nil, fmt.Errorf("failed to load config: %w", err)
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}
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configs, err := FromLoadConfigResult(d.Fs, res)
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if err != nil {
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return nil, fmt.Errorf("failed to create config from result: %w", err)
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}
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moduleConfig, modulesClient, err := l.loadModules(configs)
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if err != nil {
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return nil, fmt.Errorf("failed to load modules: %w", err)
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}
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if len(l.ModulesConfigFiles) > 0 {
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// Config merged in from modules.
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// Re-read the config.
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configs, err = FromLoadConfigResult(d.Fs, res)
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if err != nil {
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return nil, fmt.Errorf("failed to create config from modules config: %w", err)
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}
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if err := configs.transientErr(); err != nil {
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return nil, fmt.Errorf("failed to create config from modules config: %w", err)
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}
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} else if err := configs.transientErr(); err != nil {
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return nil, fmt.Errorf("failed to create config: %w", err)
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}
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configs.Modules = moduleConfig.ActiveModules
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configs.ModulesClient = modulesClient
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if err := configs.Init(); err != nil {
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return nil, fmt.Errorf("failed to init config: %w", err)
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}
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return configs, nil
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}
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// ConfigSourceDescriptor describes where to find the config (e.g. config.toml etc.).
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type ConfigSourceDescriptor struct {
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Fs afero.Fs
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Logger loggers.Logger
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// Config received from the command line.
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// These will override any config file settings.
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Flags config.Provider
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// Path to the config file to use, e.g. /my/project/config.toml
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Filename string
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// The (optional) directory for additional configuration files.
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ConfigDir string
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// production, development
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Environment string
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// Defaults to os.Environ if not set.
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Environ []string
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}
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func (d ConfigSourceDescriptor) configFilenames() []string {
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if d.Filename == "" {
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return nil
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}
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return strings.Split(d.Filename, ",")
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}
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type configLoader struct {
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cfg config.Provider
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BaseConfig config.BaseConfig
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ConfigSourceDescriptor
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// collected
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ModulesConfig modules.ModulesConfig
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ModulesConfigFiles []string
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}
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// Handle some legacy values.
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func (l configLoader) applyConfigAliases() error {
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aliases := []types.KeyValueStr{{Key: "taxonomies", Value: "indexes"}}
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for _, alias := range aliases {
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if l.cfg.IsSet(alias.Key) {
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vv := l.cfg.Get(alias.Key)
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l.cfg.Set(alias.Value, vv)
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}
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}
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return nil
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}
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func (l configLoader) applyDefaultConfig() error {
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defaultSettings := maps.Params{
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"baseURL": "",
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"cleanDestinationDir": false,
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"watch": false,
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"contentDir": "content",
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"resourceDir": "resources",
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"publishDir": "public",
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"publishDirOrig": "public",
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"themesDir": "themes",
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"assetDir": "assets",
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"layoutDir": "layouts",
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"i18nDir": "i18n",
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"dataDir": "data",
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"archetypeDir": "archetypes",
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"configDir": "config",
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"staticDir": "static",
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"buildDrafts": false,
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"buildFuture": false,
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"buildExpired": false,
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"params": maps.Params{},
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"environment": hugo.EnvironmentProduction,
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"uglyURLs": false,
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"verbose": false,
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"ignoreCache": false,
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"canonifyURLs": false,
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"relativeURLs": false,
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"removePathAccents": false,
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"titleCaseStyle": "AP",
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"taxonomies": maps.Params{"tag": "tags", "category": "categories"},
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"permalinks": maps.Params{},
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"sitemap": maps.Params{"priority": -1, "filename": "sitemap.xml"},
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"menus": maps.Params{},
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"disableLiveReload": false,
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"pluralizeListTitles": true,
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"forceSyncStatic": false,
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"footnoteAnchorPrefix": "",
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"footnoteReturnLinkContents": "",
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"newContentEditor": "",
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"paginate": 10,
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"paginatePath": "page",
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"summaryLength": 70,
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"rssLimit": -1,
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"sectionPagesMenu": "",
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"disablePathToLower": false,
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"hasCJKLanguage": false,
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"enableEmoji": false,
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"defaultContentLanguage": "en",
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"defaultContentLanguageInSubdir": false,
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"enableMissingTranslationPlaceholders": false,
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"enableGitInfo": false,
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"ignoreFiles": make([]string, 0),
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"disableAliases": false,
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"debug": false,
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"disableFastRender": false,
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"timeout": "30s",
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"timeZone": "",
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"enableInlineShortcodes": false,
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}
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l.cfg.SetDefaults(defaultSettings)
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return nil
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}
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func (l configLoader) normalizeCfg(cfg config.Provider) error {
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minify := cfg.Get("minify")
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if b, ok := minify.(bool); ok && b {
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cfg.Set("minify", maps.Params{"minifyOutput": true})
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}
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// Simplify later merge.
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languages := cfg.GetStringMap("languages")
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for _, v := range languages {
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switch m := v.(type) {
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case maps.Params:
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// params have merge strategy deep by default.
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// The languages config key has strategy none by default.
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// This means that if these two sections does not exist on the left side,
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// they will not get merged in, so just create some empty maps.
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if _, ok := m["params"]; !ok {
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m["params"] = maps.Params{}
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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 (l configLoader) cleanExternalConfig(cfg config.Provider) error {
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if cfg.IsSet("internal") {
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cfg.Set("internal", nil)
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}
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return nil
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}
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func (l configLoader) applyFlagsOverrides(cfg config.Provider) error {
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for _, k := range cfg.Keys() {
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l.cfg.Set(k, cfg.Get(k))
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}
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return nil
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}
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func (l configLoader) applyOsEnvOverrides(environ []string) error {
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if len(environ) == 0 {
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return nil
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}
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const delim = "__env__delim"
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// Extract all that start with the HUGO prefix.
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// The delimiter is the following rune, usually "_".
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const hugoEnvPrefix = "HUGO"
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var hugoEnv []types.KeyValueStr
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for _, v := range environ {
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key, val := config.SplitEnvVar(v)
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if strings.HasPrefix(key, hugoEnvPrefix) {
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delimiterAndKey := strings.TrimPrefix(key, hugoEnvPrefix)
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if len(delimiterAndKey) < 2 {
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continue
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}
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// Allow delimiters to be case sensitive.
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// It turns out there isn't that many allowed special
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// chars in environment variables when used in Bash and similar,
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// so variables on the form HUGOxPARAMSxFOO=bar is one option.
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key := strings.ReplaceAll(delimiterAndKey[1:], delimiterAndKey[:1], delim)
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key = strings.ToLower(key)
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hugoEnv = append(hugoEnv, types.KeyValueStr{
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Key: key,
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Value: val,
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})
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}
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}
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for _, env := range hugoEnv {
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existing, nestedKey, owner, err := maps.GetNestedParamFn(env.Key, delim, l.cfg.Get)
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if err != nil {
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return err
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}
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if existing != nil {
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val, err := metadecoders.Default.UnmarshalStringTo(env.Value, existing)
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if err != nil {
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continue
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}
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if owner != nil {
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owner[nestedKey] = val
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} else {
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l.cfg.Set(env.Key, val)
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}
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} else if nestedKey != "" {
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owner[nestedKey] = env.Value
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} else {
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// The container does not exist yet.
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l.cfg.Set(strings.ReplaceAll(env.Key, delim, "."), env.Value)
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}
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}
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return nil
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}
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func (l *configLoader) loadConfigMain(d ConfigSourceDescriptor) (config.LoadConfigResult, modules.ModulesConfig, error) {
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var res config.LoadConfigResult
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if d.Flags != nil {
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if err := l.normalizeCfg(d.Flags); err != nil {
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return res, l.ModulesConfig, err
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}
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}
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if d.Fs == nil {
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return res, l.ModulesConfig, errors.New("no filesystem provided")
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}
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if d.Flags != nil {
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if err := l.applyFlagsOverrides(d.Flags); err != nil {
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return res, l.ModulesConfig, err
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}
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workingDir := filepath.Clean(l.cfg.GetString("workingDir"))
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l.BaseConfig = config.BaseConfig{
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WorkingDir: workingDir,
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ThemesDir: paths.AbsPathify(workingDir, l.cfg.GetString("themesDir")),
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}
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}
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names := d.configFilenames()
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if names != nil {
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for _, name := range names {
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var filename string
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filename, err := l.loadConfig(name)
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if err == nil {
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res.ConfigFiles = append(res.ConfigFiles, filename)
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} else if err != ErrNoConfigFile {
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return res, l.ModulesConfig, l.wrapFileError(err, filename)
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}
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}
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} else {
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for _, name := range config.DefaultConfigNames {
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var filename string
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filename, err := l.loadConfig(name)
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if err == nil {
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res.ConfigFiles = append(res.ConfigFiles, filename)
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break
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} else if err != ErrNoConfigFile {
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return res, l.ModulesConfig, l.wrapFileError(err, filename)
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}
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}
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}
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if d.ConfigDir != "" {
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absConfigDir := paths.AbsPathify(l.BaseConfig.WorkingDir, d.ConfigDir)
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dcfg, dirnames, err := config.LoadConfigFromDir(l.Fs, absConfigDir, l.Environment)
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if err == nil {
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if len(dirnames) > 0 {
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if err := l.normalizeCfg(dcfg); err != nil {
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return res, l.ModulesConfig, err
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}
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if err := l.cleanExternalConfig(dcfg); err != nil {
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return res, l.ModulesConfig, err
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}
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l.cfg.Set("", dcfg.Get(""))
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res.ConfigFiles = append(res.ConfigFiles, dirnames...)
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}
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} else if err != ErrNoConfigFile {
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if len(dirnames) > 0 {
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return res, l.ModulesConfig, l.wrapFileError(err, dirnames[0])
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}
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return res, l.ModulesConfig, err
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}
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}
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res.Cfg = l.cfg
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if err := l.applyDefaultConfig(); err != nil {
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return res, l.ModulesConfig, err
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}
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// Some settings are used before we're done collecting all settings,
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// so apply OS environment both before and after.
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if err := l.applyOsEnvOverrides(d.Environ); err != nil {
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return res, l.ModulesConfig, err
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}
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workingDir := filepath.Clean(l.cfg.GetString("workingDir"))
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l.BaseConfig = config.BaseConfig{
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WorkingDir: workingDir,
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CacheDir: l.cfg.GetString("cacheDir"),
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ThemesDir: paths.AbsPathify(workingDir, l.cfg.GetString("themesDir")),
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}
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var err error
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l.BaseConfig.CacheDir, err = helpers.GetCacheDir(l.Fs, l.BaseConfig.CacheDir)
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if err != nil {
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return res, l.ModulesConfig, err
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}
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res.BaseConfig = l.BaseConfig
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l.cfg.SetDefaultMergeStrategy()
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res.ConfigFiles = append(res.ConfigFiles, l.ModulesConfigFiles...)
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if d.Flags != nil {
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if err := l.applyFlagsOverrides(d.Flags); err != nil {
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return res, l.ModulesConfig, err
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}
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}
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if err := l.applyOsEnvOverrides(d.Environ); err != nil {
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return res, l.ModulesConfig, err
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}
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if err = l.applyConfigAliases(); err != nil {
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return res, l.ModulesConfig, err
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}
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return res, l.ModulesConfig, err
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}
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func (l *configLoader) loadModules(configs *Configs) (modules.ModulesConfig, *modules.Client, error) {
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bcfg := configs.LoadingInfo.BaseConfig
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conf := configs.Base
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workingDir := bcfg.WorkingDir
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themesDir := bcfg.ThemesDir
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cfg := configs.LoadingInfo.Cfg
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var ignoreVendor glob.Glob
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if s := conf.IgnoreVendorPaths; s != "" {
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ignoreVendor, _ = hglob.GetGlob(hglob.NormalizePath(s))
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}
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ex := hexec.New(conf.Security)
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hook := func(m *modules.ModulesConfig) error {
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for _, tc := range m.ActiveModules {
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if len(tc.ConfigFilenames()) > 0 {
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if tc.Watch() {
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l.ModulesConfigFiles = append(l.ModulesConfigFiles, tc.ConfigFilenames()...)
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}
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// Merge in the theme config using the configured
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// merge strategy.
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cfg.Merge("", tc.Cfg().Get(""))
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}
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}
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return nil
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}
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modulesClient := modules.NewClient(modules.ClientConfig{
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Fs: l.Fs,
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Logger: l.Logger,
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Exec: ex,
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HookBeforeFinalize: hook,
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WorkingDir: workingDir,
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ThemesDir: themesDir,
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Environment: l.Environment,
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CacheDir: conf.Caches.CacheDirModules(),
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ModuleConfig: conf.Module,
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IgnoreVendor: ignoreVendor,
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})
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moduleConfig, err := modulesClient.Collect()
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// We want to watch these for changes and trigger rebuild on version
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// changes etc.
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if moduleConfig.GoModulesFilename != "" {
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l.ModulesConfigFiles = append(l.ModulesConfigFiles, moduleConfig.GoModulesFilename)
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}
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if moduleConfig.GoWorkspaceFilename != "" {
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l.ModulesConfigFiles = append(l.ModulesConfigFiles, moduleConfig.GoWorkspaceFilename)
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}
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return moduleConfig, modulesClient, err
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}
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func (l configLoader) loadConfig(configName string) (string, error) {
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baseDir := l.BaseConfig.WorkingDir
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var baseFilename string
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if filepath.IsAbs(configName) {
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baseFilename = configName
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} else {
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baseFilename = filepath.Join(baseDir, configName)
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}
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var filename string
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if paths.ExtNoDelimiter(configName) != "" {
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exists, _ := helpers.Exists(baseFilename, l.Fs)
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if exists {
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filename = baseFilename
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}
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} else {
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for _, ext := range config.ValidConfigFileExtensions {
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filenameToCheck := baseFilename + "." + ext
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exists, _ := helpers.Exists(filenameToCheck, l.Fs)
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if exists {
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filename = filenameToCheck
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break
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}
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}
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}
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if filename == "" {
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return "", ErrNoConfigFile
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}
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m, err := config.FromFileToMap(l.Fs, filename)
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if err != nil {
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return filename, err
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}
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// Set overwrites keys of the same name, recursively.
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l.cfg.Set("", m)
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if err := l.normalizeCfg(l.cfg); err != nil {
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return filename, err
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}
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if err := l.cleanExternalConfig(l.cfg); err != nil {
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return filename, err
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}
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return filename, nil
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}
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func (l configLoader) deleteMergeStrategies() {
|
|
l.cfg.WalkParams(func(params ...maps.KeyParams) bool {
|
|
params[len(params)-1].Params.DeleteMergeStrategy()
|
|
return false
|
|
})
|
|
}
|
|
|
|
func (l configLoader) loadModulesConfig() (modules.Config, error) {
|
|
modConfig, err := modules.DecodeConfig(l.cfg)
|
|
if err != nil {
|
|
return modules.Config{}, err
|
|
}
|
|
|
|
return modConfig, nil
|
|
}
|
|
|
|
func (l configLoader) wrapFileError(err error, filename string) error {
|
|
fe := herrors.UnwrapFileError(err)
|
|
if fe != nil {
|
|
pos := fe.Position()
|
|
pos.Filename = filename
|
|
fe.UpdatePosition(pos)
|
|
return err
|
|
}
|
|
return herrors.NewFileErrorFromFile(err, filename, l.Fs, nil)
|
|
}
|