Replace to gopkg.in/yaml with github.com/goccy/go-yaml (note)

Fixes #8822
Fixes #13043

commands/gen.go

@@ -27,6 +27,7 @@ import (
 	"github.com/alecthomas/chroma/v2/formatters/html"
 	"github.com/alecthomas/chroma/v2/styles"
 	"github.com/bep/simplecobra"
+	"github.com/goccy/go-yaml"
 	"github.com/gohugoio/hugo/common/hugo"
 	"github.com/gohugoio/hugo/docshelper"
 	"github.com/gohugoio/hugo/helpers"
@@ -35,7 +36,6 @@ import (
 	"github.com/gohugoio/hugo/parser"
 	"github.com/spf13/cobra"
 	"github.com/spf13/cobra/doc"
-	"gopkg.in/yaml.v2"
 )
 
 func newGenCommand() *genCommand {

commands/server.go

@@ -1160,7 +1160,6 @@ func chmodFilter(dst, src os.FileInfo) bool {
 }
 
 func cleanErrorLog(content string) string {
-	content = strings.ReplaceAll(content, "\n", " ")
 	content = logReplacer.Replace(content)
 	content = logDuplicateTemplateExecuteRe.ReplaceAllString(content, "")
 	content = logDuplicateTemplateParseRe.ReplaceAllString(content, "")

common/herrors/file_error.go

@@ -112,11 +112,11 @@ func (fe *fileError) UpdateContent(r io.Reader, linematcher LineMatcherFn) FileE
 
 	fe.errorContext = ectx
 
-	if ectx.Position.LineNumber > 0 {
+	if ectx.Position.LineNumber > 0 && ectx.Position.LineNumber > fe.position.LineNumber {
 		fe.position.LineNumber = ectx.Position.LineNumber
 	}
 
-	if ectx.Position.ColumnNumber > 0 {
+	if ectx.Position.ColumnNumber > 0 && ectx.Position.ColumnNumber > fe.position.ColumnNumber {
 		fe.position.ColumnNumber = ectx.Position.ColumnNumber
 	}
 
@@ -181,6 +181,7 @@ func NewFileErrorFromName(err error, name string) FileError {
 	// Filetype is used to determine the Chroma lexer to use.
 	fileType, pos := extractFileTypePos(err)
 	pos.Filename = name
+
 	if fileType == "" {
 		_, fileType = paths.FileAndExtNoDelimiter(filepath.Clean(name))
 	}
@@ -238,7 +239,9 @@ func NewFileErrorFromFile(err error, filename string, fs afero.Fs, linematcher L
 		return NewFileErrorFromName(err, realFilename)
 	}
 	defer f.Close()
-	return NewFileErrorFromName(err, realFilename).UpdateContent(f, linematcher)
+	fe := NewFileErrorFromName(err, realFilename)
+	fe = fe.UpdateContent(f, linematcher)
+	return fe
 }
 
 func openFile(filename string, fs afero.Fs) (afero.File, string, error) {
@@ -306,13 +309,9 @@ func extractFileTypePos(err error) (string, text.Position) {
 	}
 
 	// Look in the error message for the line number.
-	for _, handle := range lineNumberExtractors {
+	if lno, col := commonLineNumberExtractor(err); lno > 0 {
-		lno, col := handle(err)
+		pos.ColumnNumber = col
-		if lno > 0 {
+		pos.LineNumber = lno
-			pos.ColumnNumber = col
-			pos.LineNumber = lno
-			break
-		}
 	}
 
 	if fileType == "" && pos.Filename != "" {

common/herrors/line_number_extractors.go

@@ -19,17 +19,27 @@ import (
 )
 
 var lineNumberExtractors = []lineNumberExtractor{
+	// YAML parse errors.
+	newLineNumberErrHandlerFromRegexp(`\[(\d+):(\d+)\]`),
+
 	// Template/shortcode parse errors
 	newLineNumberErrHandlerFromRegexp(`:(\d+):(\d*):`),
 	newLineNumberErrHandlerFromRegexp(`:(\d+):`),
 
-	// YAML parse errors
-	newLineNumberErrHandlerFromRegexp(`line (\d+):`),
-
 	// i18n bundle errors
 	newLineNumberErrHandlerFromRegexp(`\((\d+),\s(\d*)`),
 }
 
+func commonLineNumberExtractor(e error) (int, int) {
+	for _, handler := range lineNumberExtractors {
+		lno, col := handler(e)
+		if lno > 0 {
+			return lno, col
+		}
+	}
+	return 0, 0
+}
+
 type lineNumberExtractor func(e error) (int, int)
 
 func newLineNumberErrHandlerFromRegexp(expression string) lineNumberExtractor {

common/herrors/line_number_extractors_test.go

@@ -0,0 +1,31 @@
+// Copyright 2024 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 herrors
+
+import (
+	"errors"
+	"testing"
+
+	qt "github.com/frankban/quicktest"
+)
+
+func TestCommonLineNumberExtractor(t *testing.T) {
+	t.Parallel()
+
+	c := qt.New(t)
+
+	lno, col := commonLineNumberExtractor(errors.New("[4:9] value is not allowed in this context"))
+	c.Assert(lno, qt.Equals, 4)
+	c.Assert(col, qt.Equals, 9)
+}

go.mod

@@ -36,6 +36,7 @@ require (
 	github.com/ghodss/yaml v1.0.0
 	github.com/gobuffalo/flect v1.0.3
 	github.com/gobwas/glob v0.2.3
+	github.com/goccy/go-yaml v1.14.0
 	github.com/gohugoio/go-i18n/v2 v2.1.3-0.20230805085216-e63c13218d0e
 	github.com/gohugoio/hashstructure v0.1.0
 	github.com/gohugoio/httpcache v0.7.0
@@ -83,7 +84,6 @@ require (
 	golang.org/x/text v0.19.0
 	golang.org/x/tools v0.26.0
 	google.golang.org/api v0.191.0
-	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
@@ -164,6 +164,7 @@ require (
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240812133136-8ffd90a71988 // indirect
 	google.golang.org/grpc v1.65.0 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	howett.net/plist v1.0.0 // indirect
 	software.sslmate.com/src/go-pkcs12 v0.2.0 // indirect

go.sum

@@ -227,6 +227,8 @@ github.com/gobuffalo/flect v1.0.3 h1:xeWBM2nui+qnVvNM4S3foBhCAL2XgPU+a7FdpelbTq4
 github.com/gobuffalo/flect v1.0.3/go.mod h1:A5msMlrHtLqh9umBSnvabjsMrCcCpAyzglnDvkbYKHs=
 github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
 github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
+github.com/goccy/go-yaml v1.14.0 h1:G/NDXJvf1CX0FshjxKn2AOL0MnrxsSJNpY9FpvMRblw=
+github.com/goccy/go-yaml v1.14.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/gohugoio/go-i18n/v2 v2.1.3-0.20230805085216-e63c13218d0e h1:QArsSubW7eDh8APMXkByjQWvuljwPGAGQpJEFn0F0wY=
 github.com/gohugoio/go-i18n/v2 v2.1.3-0.20230805085216-e63c13218d0e/go.mod h1:3Ltoo9Banwq0gOtcOwxuHG6omk+AwsQPADyw2vQYOJQ=
 github.com/gohugoio/hashstructure v0.1.0 h1:kBSTMLMyTXbrJVAxaKI+wv30MMJJxn9Q8kfQtJaZ400=

hugolib/frontmatter_test.go

@@ -40,7 +40,7 @@ Strings: {{ printf "%T" .Params.strings }} {{ range .Params.strings }}Strings: {
 
 	b.Build()
 
-	b.AssertFileContent("public/post/one/index.html", "Ints: []interface {} Int: 1 (int)|Int: 2 (int)|Int: 3 (int)|")
+	b.AssertFileContent("public/post/one/index.html", "Ints: []interface {} Int: 1 (uint64)|Int: 2 (uint64)|Int: 3 (uint64)|")
-	b.AssertFileContent("public/post/one/index.html", "Mixed: []interface {} Mixed: 1 (string)|Mixed: 2 (int)|Mixed: 3 (int)|")
+	b.AssertFileContent("public/post/one/index.html", "Mixed: []interface {} Mixed: 1 (string)|Mixed: 2 (uint64)|Mixed: 3 (uint64)|")
 	b.AssertFileContent("public/post/one/index.html", "Strings: []string Strings: 1 (string)|Strings: 2 (string)|Strings: 3 (string)|")
 }

hugolib/hugo_sites_build_errors_test.go

@@ -476,7 +476,7 @@ line 5
 	errors := herrors.UnwrapFileErrorsWithErrorContext(err)
 
 	b.Assert(errors, qt.HasLen, 3)
-	b.Assert(errors[0].Error(), qt.Contains, filepath.FromSlash(`"/content/_index.md:1:1": "/layouts/_default/_markup/render-heading.html:2:5": execute of template failed`))
+	b.Assert(errors[0].Error(), qt.Contains, filepath.FromSlash(`"/content/_index.md:2:5": "/layouts/_default/_markup/render-heading.html:2:5": execute of template failed`))
 }
 
 func TestErrorRenderHookCodeblock(t *testing.T) {
@@ -645,3 +645,35 @@ Home.
 	b.Assert(err.Error(), qt.Contains, filepath.FromSlash(`/layouts/index.html:2:3`))
 	b.Assert(err.Error(), qt.Contains, `can't evaluate field ThisDoesNotExist`)
 }
+
+func TestErrorFrontmatterYAMLSyntax(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+-- content/_index.md --
+
+
+
+
+
+---
+line1: 'value1'
+x
+line2: 'value2'
+line3: 'value3'
+---	
+`
+
+	b, err := TestE(t, files)
+
+	b.Assert(err, qt.Not(qt.IsNil))
+	b.Assert(err.Error(), qt.Contains, ">  3 |")
+	fe := herrors.UnwrapFileError(err)
+	b.Assert(fe, qt.Not(qt.IsNil))
+	pos := fe.Position()
+	b.Assert(pos.Filename, qt.Contains, filepath.FromSlash("content/_index.md"))
+	b.Assert(fe.ErrorContext(), qt.Not(qt.IsNil))
+	b.Assert(pos.LineNumber, qt.Equals, 9)
+	b.Assert(pos.ColumnNumber, qt.Equals, 1)
+}

hugolib/page__content.go

@@ -283,23 +283,20 @@ func (c *contentParseInfo) parseFrontMatter(it pageparser.Item, iter *pageparser
 	var err error
 	c.frontMatter, err = metadecoders.Default.UnmarshalToMap(it.Val(source), f)
 	if err != nil {
-		if fe, ok := err.(herrors.FileError); ok {
+		fe := herrors.UnwrapFileError(err)
-			pos := fe.Position()
+		if fe == nil {
-
+			fe = herrors.NewFileError(err)
-			// Offset the starting position of front matter.
-			offset := iter.LineNumber(source) - 1
-			if f == metadecoders.YAML {
-				offset -= 1
-			}
-			pos.LineNumber += offset
-
-			fe.UpdatePosition(pos)
-			fe.SetFilename("") // It will be set later.
-
-			return fe
-		} else {
-			return err
 		}
+		pos := fe.Position()
+
+		// Offset the starting position of front matter.
+		offset := iter.LineNumber(source) - 1
+
+		pos.LineNumber += offset
+
+		fe.UpdatePosition(pos)
+		fe.SetFilename("") // It will be set later.
+		return fe
 	}
 
 	return nil

hugolib/pages_capture.go

@@ -123,7 +123,7 @@ func (c *pagesCollector) Collect() (collectErr error) {
 		Handle: func(ctx context.Context, fi hugofs.FileMetaInfo) error {
 			numPages, numResources, err := c.m.AddFi(fi, c.buildConfig)
 			if err != nil {
-				return hugofs.AddFileInfoToError(err, fi, c.fs)
+				return hugofs.AddFileInfoToError(err, fi, c.h.SourceFs)
 			}
 			numFilesProcessedTotal.Add(1)
 			numPagesProcessedTotal.Add(numPages)

langs/i18n/translationProvider.go

@@ -20,9 +20,9 @@ import (
 
 	"github.com/gohugoio/hugo/common/paths"
 
+	yaml "github.com/goccy/go-yaml"
 	"github.com/gohugoio/hugo/common/herrors"
 	"golang.org/x/text/language"
-	yaml "gopkg.in/yaml.v2"
 
 	"github.com/gohugoio/go-i18n/v2/i18n"
 	"github.com/gohugoio/hugo/helpers"

parser/frontmatter.go

@@ -22,8 +22,6 @@ import (
 
 	toml "github.com/pelletier/go-toml/v2"
 
-	yaml "gopkg.in/yaml.v2"
-
 	xml "github.com/clbanning/mxj/v2"
 )
 
@@ -39,7 +37,7 @@ func InterfaceToConfig(in any, format metadecoders.Format, w io.Writer) error {
 
 	switch format {
 	case metadecoders.YAML:
-		b, err := yaml.Marshal(in)
+		b, err := metadecoders.MarshalYAML(in)
 		if err != nil {
 			return err
 		}

parser/metadecoders/decoder.go

@@ -1,4 +1,4 @@
-// Copyright 2018 The Hugo Authors. All rights reserved.
+// Copyright 2024 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.
@@ -28,10 +28,10 @@ import (
 	"github.com/niklasfasching/go-org/org"
 
 	xml "github.com/clbanning/mxj/v2"
+	yaml "github.com/goccy/go-yaml"
 	toml "github.com/pelletier/go-toml/v2"
 	"github.com/spf13/afero"
 	"github.com/spf13/cast"
-	yaml "gopkg.in/yaml.v2"
 )
 
 // Decoder provides some configuration options for the decoders.
@@ -164,35 +164,7 @@ func (d Decoder) UnmarshalTo(data []byte, f Format, v any) error {
 	case TOML:
 		err = toml.Unmarshal(data, v)
 	case YAML:
-		err = yaml.Unmarshal(data, v)
+		return yaml.Unmarshal(data, v)
-		if err != nil {
-			return toFileError(f, data, fmt.Errorf("failed to unmarshal YAML: %w", err))
-		}
-
-		// To support boolean keys, the YAML package unmarshals maps to
-		// map[interface{}]interface{}. Here we recurse through the result
-		// and change all maps to map[string]interface{} like we would've
-		// gotten from `json`.
-		var ptr any
-		switch vv := v.(type) {
-		case *map[string]any:
-			ptr = *vv
-		case *any:
-			ptr = *vv
-		default:
-			// Not a map.
-		}
-
-		if ptr != nil {
-			if mm, changed := stringifyMapKeys(ptr); changed {
-				switch vv := v.(type) {
-				case *map[string]any:
-					*vv = mm.(map[string]any)
-				case *any:
-					*vv = mm
-				}
-			}
-		}
 	case CSV:
 		return d.unmarshalCSV(data, v)
 
@@ -269,50 +241,3 @@ func (d Decoder) unmarshalORG(data []byte, v any) error {
 func toFileError(f Format, data []byte, err error) error {
 	return herrors.NewFileErrorFromName(err, fmt.Sprintf("_stream.%s", f)).UpdateContent(bytes.NewReader(data), nil)
 }
-
-// stringifyMapKeys recurses into in and changes all instances of
-// map[interface{}]interface{} to map[string]interface{}. This is useful to
-// work around the impedance mismatch between JSON and YAML unmarshaling that's
-// described here: https://github.com/go-yaml/yaml/issues/139
-//
-// Inspired by https://github.com/stripe/stripe-mock, MIT licensed
-func stringifyMapKeys(in any) (any, bool) {
-	switch in := in.(type) {
-	case []any:
-		for i, v := range in {
-			if vv, replaced := stringifyMapKeys(v); replaced {
-				in[i] = vv
-			}
-		}
-	case map[string]any:
-		for k, v := range in {
-			if vv, changed := stringifyMapKeys(v); changed {
-				in[k] = vv
-			}
-		}
-	case map[any]any:
-		res := make(map[string]any)
-		var (
-			ok  bool
-			err error
-		)
-		for k, v := range in {
-			var ks string
-
-			if ks, ok = k.(string); !ok {
-				ks, err = cast.ToStringE(k)
-				if err != nil {
-					ks = fmt.Sprintf("%v", k)
-				}
-			}
-			if vv, replaced := stringifyMapKeys(v); replaced {
-				res[ks] = vv
-			} else {
-				res[ks] = v
-			}
-		}
-		return res, true
-	}
-
-	return nil, false
-}

parser/metadecoders/decoder_test.go

@@ -14,7 +14,6 @@
 package metadecoders
 
 import (
-	"reflect"
 	"testing"
 
 	qt "github.com/frankban/quicktest"
@@ -91,8 +90,8 @@ func TestUnmarshalToMap(t *testing.T) {
 		{`a = "b"`, TOML, expect},
 		{`a: "b"`, YAML, expect},
 		// Make sure we get all string keys, even for YAML
-		{"a: Easy!\nb:\n  c: 2\n  d: [3, 4]", YAML, map[string]any{"a": "Easy!", "b": map[string]any{"c": 2, "d": []any{3, 4}}}},
+		{"a: Easy!\nb:\n  c: 2\n  d: [3, 4]", YAML, map[string]any{"a": "Easy!", "b": map[string]any{"c": uint64(2), "d": []any{uint64(3), uint64(4)}}}},
-		{"a:\n  true: 1\n  false: 2", YAML, map[string]any{"a": map[string]any{"true": 1, "false": 2}}},
+		{"a:\n  true: 1\n  false: 2", YAML, map[string]any{"a": map[string]any{"true": uint64(1), "false": uint64(2)}}},
 		{`{ "a": "b" }`, JSON, expect},
 		{`<root><a>b</a></root>`, XML, expect},
 		{`#+a: b`, ORG, expect},
@@ -137,7 +136,7 @@ func TestUnmarshalToInterface(t *testing.T) {
 		{[]byte(`a: "b"`), YAML, expect},
 		{[]byte(`<root><a>b</a></root>`), XML, expect},
 		{[]byte(`a,b,c`), CSV, [][]string{{"a", "b", "c"}}},
-		{[]byte("a: Easy!\nb:\n  c: 2\n  d: [3, 4]"), YAML, map[string]any{"a": "Easy!", "b": map[string]any{"c": 2, "d": []any{3, 4}}}},
+		{[]byte("a: Easy!\nb:\n  c: 2\n  d: [3, 4]"), YAML, map[string]any{"a": "Easy!", "b": map[string]any{"c": uint64(2), "d": []any{uint64(3), uint64(4)}}}},
 		// errors
 		{[]byte(`a = "`), TOML, false},
 	} {
@@ -170,7 +169,7 @@ func TestUnmarshalStringTo(t *testing.T) {
 		{"32", int64(1234), int64(32)},
 		{"32", int(1234), int(32)},
 		{"3.14159", float64(1), float64(3.14159)},
-		{"[3,7,9]", []any{}, []any{3, 7, 9}},
+		{"[3,7,9]", []any{}, []any{uint64(3), uint64(7), uint64(9)}},
 		{"[3.1,7.2,9.3]", []any{}, []any{3.1, 7.2, 9.3}},
 	} {
 		msg := qt.Commentf("%d: %T", i, test.to)
@@ -185,128 +184,6 @@ func TestUnmarshalStringTo(t *testing.T) {
 	}
 }
 
-func TestStringifyYAMLMapKeys(t *testing.T) {
-	cases := []struct {
-		input    any
-		want     any
-		replaced bool
-	}{
-		{
-			map[any]any{"a": 1, "b": 2},
-			map[string]any{"a": 1, "b": 2},
-			true,
-		},
-		{
-			map[any]any{"a": []any{1, map[any]any{"b": 2}}},
-			map[string]any{"a": []any{1, map[string]any{"b": 2}}},
-			true,
-		},
-		{
-			map[any]any{true: 1, "b": false},
-			map[string]any{"true": 1, "b": false},
-			true,
-		},
-		{
-			map[any]any{1: "a", 2: "b"},
-			map[string]any{"1": "a", "2": "b"},
-			true,
-		},
-		{
-			map[any]any{"a": map[any]any{"b": 1}},
-			map[string]any{"a": map[string]any{"b": 1}},
-			true,
-		},
-		{
-			map[string]any{"a": map[string]any{"b": 1}},
-			map[string]any{"a": map[string]any{"b": 1}},
-			false,
-		},
-		{
-			[]any{map[any]any{1: "a", 2: "b"}},
-			[]any{map[string]any{"1": "a", "2": "b"}},
-			false,
-		},
-	}
-
-	for i, c := range cases {
-		res, replaced := stringifyMapKeys(c.input)
-
-		if c.replaced != replaced {
-			t.Fatalf("[%d] Replaced mismatch: %t", i, replaced)
-		}
-		if !c.replaced {
-			res = c.input
-		}
-		if !reflect.DeepEqual(res, c.want) {
-			t.Errorf("[%d] given %q\nwant: %q\n got: %q", i, c.input, c.want, res)
-		}
-	}
-}
-
-func BenchmarkStringifyMapKeysStringsOnlyInterfaceMaps(b *testing.B) {
-	maps := make([]map[any]any, b.N)
-	for i := 0; i < b.N; i++ {
-		maps[i] = map[any]any{
-			"a": map[any]any{
-				"b": 32,
-				"c": 43,
-				"d": map[any]any{
-					"b": 32,
-					"c": 43,
-				},
-			},
-			"b": []any{"a", "b"},
-			"c": "d",
-		}
-	}
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		stringifyMapKeys(maps[i])
-	}
-}
-
-func BenchmarkStringifyMapKeysStringsOnlyStringMaps(b *testing.B) {
-	m := map[string]any{
-		"a": map[string]any{
-			"b": 32,
-			"c": 43,
-			"d": map[string]any{
-				"b": 32,
-				"c": 43,
-			},
-		},
-		"b": []any{"a", "b"},
-		"c": "d",
-	}
-
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		stringifyMapKeys(m)
-	}
-}
-
-func BenchmarkStringifyMapKeysIntegers(b *testing.B) {
-	maps := make([]map[any]any, b.N)
-	for i := 0; i < b.N; i++ {
-		maps[i] = map[any]any{
-			1: map[any]any{
-				4: 32,
-				5: 43,
-				6: map[any]any{
-					7: 32,
-					8: 43,
-				},
-			},
-			2: []any{"a", "b"},
-			3: "d",
-		}
-	}
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		stringifyMapKeys(maps[i])
-	}
-}
-
 func BenchmarkDecodeYAMLToMap(b *testing.B) {
 	d := Default
 

parser/metadecoders/encoder.go

@@ -0,0 +1,25 @@
+// Copyright 2024 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 metadecoders
+
+import yaml "github.com/goccy/go-yaml"
+
+var yamlEncodeOptions = []yaml.EncodeOption{
+	yaml.UseSingleQuote(true),
+}
+
+// MarshalYAML marshals the given value to YAML.
+var MarshalYAML = func(v any) ([]byte, error) {
+	return yaml.MarshalWithOptions(v, yamlEncodeOptions...)
+}

testscripts/commands/server__error_recovery_edit_content.txt

@@ -8,7 +8,7 @@ waitServer
 httpget ${HUGOTEST_BASEURL_0}p1/ 'Title: P1'
 
 replace $WORK/content/p1/index.md 'title:' 'titlecolon'
-httpget ${HUGOTEST_BASEURL_0}p1/ 'failed'
+httpget ${HUGOTEST_BASEURL_0}p1/ 'Error'
 
 replace $WORK/content/p1/index.md 'titlecolon' 'title:'
 httpget ${HUGOTEST_BASEURL_0}p1/ 'Title: P1'