docshelper: Fix some YAML serialization issues with sites matrix configuration

Fixes #14132

commands/gen.go

@@ -249,7 +249,7 @@ url: %s
 					return err
 				}
 				defer f.Close()
-				yamlEnc := yaml.NewEncoder(f, yaml.AutoInt())
+				yamlEnc := yaml.NewEncoder(f, yaml.UseSingleQuote(true), yaml.AutoInt())
 				if err := yamlEnc.Encode(m); err != nil {
 					return err
 				}

hugolib/roles/roles.go

@@ -206,7 +206,7 @@ func DecodeConfig(defaultContentRole string, m map[string]any) (*config.ConfigNa
 		if defaultContentRole, err = roles.init(defaultContentRole); err != nil {
 			return roles, nil, err
 		}
-		return roles, nil, nil
+		return roles, roles.roleConfigs, nil
 	})
 
 	return v, defaultContentRole, err

hugolib/sitesmatrix/sitematrix_integration_test.go

@@ -14,6 +14,7 @@
 package sitesmatrix_test
 
 import (
+	"encoding/json"
 	"fmt"
 	"strings"
 	"testing"
@@ -1100,6 +1101,87 @@ title: "P%d"
 	return b
 }
 
+// See #14132. We recently reworked the config structs for languages, versions, and roles,
+// which made them incomplete when generating the docshelper YAML file.
+// Add a test here to ensure we don't regress.
+func TestUnmarshalSitesMatrixConfig(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+defaultContentLanguage = "en"
+defaultContentLanguageInSubDir = true
+defaultCOntentVersionInSubDir = true
+defaultContentVersion = "v1.0.0"
+defaultContentRole = "guest"
+defaultContentRoleInSubDir = true
+
+[moule.mounts]
+source = 'content'
+target = 'content'
+
+
+[languages]
+[languages.en]
+
+[versions]
+[versions."v1.0.0"]
+
+[roles]
+[roles.guest]
+
+`
+
+	b := hugolib.Test(t, files)
+
+	toJSONAndMap := func(v any) map[string]any {
+		bb, err := json.Marshal(v)
+		b.Assert(err, qt.IsNil)
+		var m map[string]any
+		err = json.Unmarshal(bb, &m)
+		b.Assert(err, qt.IsNil)
+		return m
+	}
+
+	conf := b.H.Configs.Base
+
+	b.Assert(toJSONAndMap(conf.Languages), qt.DeepEquals,
+		map[string]any{
+			"en": map[string]any{
+				"Disabled":          bool(false),
+				"LanguageCode":      "",
+				"LanguageDirection": "",
+				"LanguageName":      "",
+				"Title":             "",
+				"Weight":            float64(0),
+			},
+		})
+
+	b.Assert(toJSONAndMap(conf.Versions), qt.DeepEquals, map[string]any{
+		"v1.0.0": map[string]any{
+			"Weight": float64(0),
+		},
+	})
+
+	b.Assert(toJSONAndMap(conf.Roles), qt.DeepEquals, map[string]any{
+		"guest": map[string]any{
+			"Weight": float64(0),
+		},
+	})
+
+	firstMount := conf.Module.Mounts[0]
+	b.Assert(toJSONAndMap(firstMount.Sites.Matrix), qt.DeepEquals, map[string]any{
+		"languages": nil,
+		"versions":  nil,
+		"roles":     nil,
+	})
+	b.Assert(toJSONAndMap(firstMount.Sites.Complements), qt.DeepEquals, map[string]any{
+		"languages": nil,
+		"versions":  nil,
+		"roles":     nil,
+	})
+}
+
 func TestSitesMatrixContentBenchmark(t *testing.T) {
 	const numPages = 3
 	b := newSitesMatrixContentBenchmarkBuilder(t, numPages, false, true)

hugolib/sitesmatrix/vectorstores.go

@@ -813,9 +813,9 @@ type IntSetsConfig struct {
 // Sites holds configuration about which sites a file/content/page/resource belongs to.
 type Sites struct {
 	// Matrix defines what sites to build this content for.
-	Matrix StringSlices `mapstructure:"matrix" json:"matrix,omitzero"`
+	Matrix StringSlices `mapstructure:"matrix" json:"matrix"`
 	// Complements defines what sites to complement with this content.
-	Complements StringSlices `mapstructure:"complements" json:"complements,omitzero"`
+	Complements StringSlices `mapstructure:"complements" json:"complements"`
 }
 
 func (s *Sites) Equal(other Sites) bool {

hugolib/versions/versions.go

@@ -206,6 +206,6 @@ func DecodeConfig(defaultContentVersion string, m map[string]any) (*config.Confi
 		if err := versions.init(defaultContentVersion); err != nil {
 			return versions, nil, err
 		}
-		return versions, nil, nil
+		return versions, versions.versionConfigs, nil
 	})
 }

langs/config.go

@@ -216,7 +216,7 @@ func DecodeConfig(defaultContentLanguage string, disabledLanguages []string, m m
 		if defaultContentLanguage, err = languages.init(defaultContentLanguage, disabledLanguages); err != nil {
 			return languages, nil, err
 		}
-		return languages, nil, nil
+		return languages, languages.LanguageConfigs, nil
 	})
 
 	return v, defaultContentLanguage, err

modules/config.go

@@ -418,7 +418,8 @@ type Mount struct {
 	Target string
 
 	// Any file in this mount will be associated with this language.
-	Lang string
+	// Deprecated, use Sites instead.
+	Lang string `json:"-"`
 
 	// Sites defines which sites this mount applies to.
 	Sites sitesmatrix.Sites
@@ -429,11 +430,11 @@ type Mount struct {
 
 	// Include only files matching the given Glob patterns (string or slice).
 	// Deprecated, use Files instead.
-	IncludeFiles any
+	IncludeFiles any `json:"-"`
 
 	// Exclude all files matching the given Glob patterns (string or slice).
 	// Deprecated, use Files instead.
-	ExcludeFiles any
+	ExcludeFiles any `json:"-"`
 
 	// Disable watching in watch mode for this mount.
 	DisableWatch bool