Fix and refactor markdown rendering (#32522)

models/repo/repo.go

@@ -7,6 +7,7 @@ import (
 	"context"
 	"fmt"
 	"html/template"
+	"maps"
 	"net"
 	"net/url"
 	"path/filepath"
@@ -165,10 +166,10 @@ type Repository struct {
 
 	Status RepositoryStatus `xorm:"NOT NULL DEFAULT 0"`
 
-	RenderingMetas         map[string]string `xorm:"-"`
+	commonRenderingMetas map[string]string `xorm:"-"`
-	DocumentRenderingMetas map[string]string `xorm:"-"`
+
-	Units                  []*RepoUnit       `xorm:"-"`
+	Units           []*RepoUnit   `xorm:"-"`
-	PrimaryLanguage        *LanguageStat     `xorm:"-"`
+	PrimaryLanguage *LanguageStat `xorm:"-"`
 
 	IsFork                          bool               `xorm:"INDEX NOT NULL DEFAULT false"`
 	ForkID                          int64              `xorm:"INDEX"`
@@ -473,9 +474,8 @@ func (repo *Repository) MustOwner(ctx context.Context) *user_model.User {
 	return repo.Owner
 }
 
-// ComposeMetas composes a map of metas for properly rendering issue links and external issue trackers.
+func (repo *Repository) composeCommonMetas(ctx context.Context) map[string]string {
-func (repo *Repository) ComposeMetas(ctx context.Context) map[string]string {
+	if len(repo.commonRenderingMetas) == 0 {
-	if len(repo.RenderingMetas) == 0 {
 		metas := map[string]string{
 			"user": repo.OwnerName,
 			"repo": repo.Name,
@@ -508,21 +508,34 @@ func (repo *Repository) ComposeMetas(ctx context.Context) map[string]string {
 			metas["org"] = strings.ToLower(repo.OwnerName)
 		}
 
-		repo.RenderingMetas = metas
+		repo.commonRenderingMetas = metas
 	}
-	return repo.RenderingMetas
+	return repo.commonRenderingMetas
 }
 
-// ComposeDocumentMetas composes a map of metas for properly rendering documents
+// ComposeMetas composes a map of metas for properly rendering comments or comment-like contents (commit message)
+func (repo *Repository) ComposeMetas(ctx context.Context) map[string]string {
+	metas := maps.Clone(repo.composeCommonMetas(ctx))
+	metas["markdownLineBreakStyle"] = "comment"
+	metas["markupAllowShortIssuePattern"] = "true"
+	return metas
+}
+
+// ComposeWikiMetas composes a map of metas for properly rendering wikis
+func (repo *Repository) ComposeWikiMetas(ctx context.Context) map[string]string {
+	// does wiki need the "teams" and "org" from common metas?
+	metas := maps.Clone(repo.composeCommonMetas(ctx))
+	metas["markdownLineBreakStyle"] = "document"
+	metas["markupAllowShortIssuePattern"] = "true"
+	return metas
+}
+
+// ComposeDocumentMetas composes a map of metas for properly rendering documents (repo files)
 func (repo *Repository) ComposeDocumentMetas(ctx context.Context) map[string]string {
-	if len(repo.DocumentRenderingMetas) == 0 {
+	// does document(file) need the "teams" and "org" from common metas?
-		metas := map[string]string{}
+	metas := maps.Clone(repo.composeCommonMetas(ctx))
-		for k, v := range repo.ComposeMetas(ctx) {
+	metas["markdownLineBreakStyle"] = "document"
-			metas[k] = v
+	return metas
-		}
-		repo.DocumentRenderingMetas = metas
-	}
-	return repo.DocumentRenderingMetas
 }
 
 // GetBaseRepo populates repo.BaseRepo for a fork repository and

models/repo/repo_test.go

@@ -1,13 +1,12 @@
 // Copyright 2017 The Gitea Authors. All rights reserved.
 // SPDX-License-Identifier: MIT
 
-package repo_test
+package repo
 
 import (
 	"testing"
 
 	"code.gitea.io/gitea/models/db"
-	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unit"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
@@ -20,18 +19,18 @@ import (
 )
 
 var (
-	countRepospts        = repo_model.CountRepositoryOptions{OwnerID: 10}
+	countRepospts        = CountRepositoryOptions{OwnerID: 10}
-	countReposptsPublic  = repo_model.CountRepositoryOptions{OwnerID: 10, Private: optional.Some(false)}
+	countReposptsPublic  = CountRepositoryOptions{OwnerID: 10, Private: optional.Some(false)}
-	countReposptsPrivate = repo_model.CountRepositoryOptions{OwnerID: 10, Private: optional.Some(true)}
+	countReposptsPrivate = CountRepositoryOptions{OwnerID: 10, Private: optional.Some(true)}
 )
 
 func TestGetRepositoryCount(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
 	ctx := db.DefaultContext
-	count, err1 := repo_model.CountRepositories(ctx, countRepospts)
+	count, err1 := CountRepositories(ctx, countRepospts)
-	privateCount, err2 := repo_model.CountRepositories(ctx, countReposptsPrivate)
+	privateCount, err2 := CountRepositories(ctx, countReposptsPrivate)
-	publicCount, err3 := repo_model.CountRepositories(ctx, countReposptsPublic)
+	publicCount, err3 := CountRepositories(ctx, countReposptsPublic)
 	assert.NoError(t, err1)
 	assert.NoError(t, err2)
 	assert.NoError(t, err3)
@@ -42,7 +41,7 @@ func TestGetRepositoryCount(t *testing.T) {
 func TestGetPublicRepositoryCount(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	count, err := repo_model.CountRepositories(db.DefaultContext, countReposptsPublic)
+	count, err := CountRepositories(db.DefaultContext, countReposptsPublic)
 	assert.NoError(t, err)
 	assert.Equal(t, int64(1), count)
 }
@@ -50,14 +49,14 @@ func TestGetPublicRepositoryCount(t *testing.T) {
 func TestGetPrivateRepositoryCount(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	count, err := repo_model.CountRepositories(db.DefaultContext, countReposptsPrivate)
+	count, err := CountRepositories(db.DefaultContext, countReposptsPrivate)
 	assert.NoError(t, err)
 	assert.Equal(t, int64(2), count)
 }
 
 func TestRepoAPIURL(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
-	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 10})
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 10})
 
 	assert.Equal(t, "https://try.gitea.io/api/v1/repos/user12/repo10", repo.APIURL())
 }
@@ -65,22 +64,22 @@ func TestRepoAPIURL(t *testing.T) {
 func TestWatchRepo(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 3})
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 3})
 	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
 
-	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, user, repo, true))
+	assert.NoError(t, WatchRepo(db.DefaultContext, user, repo, true))
-	unittest.AssertExistsAndLoadBean(t, &repo_model.Watch{RepoID: repo.ID, UserID: user.ID})
+	unittest.AssertExistsAndLoadBean(t, &Watch{RepoID: repo.ID, UserID: user.ID})
-	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
+	unittest.CheckConsistencyFor(t, &Repository{ID: repo.ID})
 
-	assert.NoError(t, repo_model.WatchRepo(db.DefaultContext, user, repo, false))
+	assert.NoError(t, WatchRepo(db.DefaultContext, user, repo, false))
-	unittest.AssertNotExistsBean(t, &repo_model.Watch{RepoID: repo.ID, UserID: user.ID})
+	unittest.AssertNotExistsBean(t, &Watch{RepoID: repo.ID, UserID: user.ID})
-	unittest.CheckConsistencyFor(t, &repo_model.Repository{ID: repo.ID})
+	unittest.CheckConsistencyFor(t, &Repository{ID: repo.ID})
 }
 
 func TestMetas(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
-	repo := &repo_model.Repository{Name: "testRepo"}
+	repo := &Repository{Name: "testRepo"}
 	repo.Owner = &user_model.User{Name: "testOwner"}
 	repo.OwnerName = repo.Owner.Name
 
@@ -90,16 +89,16 @@ func TestMetas(t *testing.T) {
 	assert.Equal(t, "testRepo", metas["repo"])
 	assert.Equal(t, "testOwner", metas["user"])
 
-	externalTracker := repo_model.RepoUnit{
+	externalTracker := RepoUnit{
 		Type: unit.TypeExternalTracker,
-		Config: &repo_model.ExternalTrackerConfig{
+		Config: &ExternalTrackerConfig{
 			ExternalTrackerFormat: "https://someurl.com/{user}/{repo}/{issue}",
 		},
 	}
 
 	testSuccess := func(expectedStyle string) {
-		repo.Units = []*repo_model.RepoUnit{&externalTracker}
+		repo.Units = []*RepoUnit{&externalTracker}
-		repo.RenderingMetas = nil
+		repo.commonRenderingMetas = nil
 		metas := repo.ComposeMetas(db.DefaultContext)
 		assert.Equal(t, expectedStyle, metas["style"])
 		assert.Equal(t, "testRepo", metas["repo"])
@@ -118,7 +117,7 @@ func TestMetas(t *testing.T) {
 	externalTracker.ExternalTrackerConfig().ExternalTrackerStyle = markup.IssueNameStyleRegexp
 	testSuccess(markup.IssueNameStyleRegexp)
 
-	repo, err := repo_model.GetRepositoryByID(db.DefaultContext, 3)
+	repo, err := GetRepositoryByID(db.DefaultContext, 3)
 	assert.NoError(t, err)
 
 	metas = repo.ComposeMetas(db.DefaultContext)
@@ -132,7 +131,7 @@ func TestGetRepositoryByURL(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 
 	t.Run("InvalidPath", func(t *testing.T) {
-		repo, err := repo_model.GetRepositoryByURL(db.DefaultContext, "something")
+		repo, err := GetRepositoryByURL(db.DefaultContext, "something")
 
 		assert.Nil(t, repo)
 		assert.Error(t, err)
@@ -140,7 +139,7 @@ func TestGetRepositoryByURL(t *testing.T) {
 
 	t.Run("ValidHttpURL", func(t *testing.T) {
 		test := func(t *testing.T, url string) {
-			repo, err := repo_model.GetRepositoryByURL(db.DefaultContext, url)
+			repo, err := GetRepositoryByURL(db.DefaultContext, url)
 
 			assert.NotNil(t, repo)
 			assert.NoError(t, err)
@@ -155,7 +154,7 @@ func TestGetRepositoryByURL(t *testing.T) {
 
 	t.Run("ValidGitSshURL", func(t *testing.T) {
 		test := func(t *testing.T, url string) {
-			repo, err := repo_model.GetRepositoryByURL(db.DefaultContext, url)
+			repo, err := GetRepositoryByURL(db.DefaultContext, url)
 
 			assert.NotNil(t, repo)
 			assert.NoError(t, err)
@@ -173,7 +172,7 @@ func TestGetRepositoryByURL(t *testing.T) {
 
 	t.Run("ValidImplicitSshURL", func(t *testing.T) {
 		test := func(t *testing.T, url string) {
-			repo, err := repo_model.GetRepositoryByURL(db.DefaultContext, url)
+			repo, err := GetRepositoryByURL(db.DefaultContext, url)
 
 			assert.NotNil(t, repo)
 			assert.NoError(t, err)
@@ -200,21 +199,21 @@ func TestComposeSSHCloneURL(t *testing.T) {
 	setting.SSH.Domain = "domain"
 	setting.SSH.Port = 22
 	setting.Repository.UseCompatSSHURI = false
-	assert.Equal(t, "git@domain:user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "git@domain:user/repo.git", ComposeSSHCloneURL("user", "repo"))
 	setting.Repository.UseCompatSSHURI = true
-	assert.Equal(t, "ssh://git@domain/user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "ssh://git@domain/user/repo.git", ComposeSSHCloneURL("user", "repo"))
 	// test SSH_DOMAIN while use non-standard SSH port
 	setting.SSH.Port = 123
 	setting.Repository.UseCompatSSHURI = false
-	assert.Equal(t, "ssh://git@domain:123/user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "ssh://git@domain:123/user/repo.git", ComposeSSHCloneURL("user", "repo"))
 	setting.Repository.UseCompatSSHURI = true
-	assert.Equal(t, "ssh://git@domain:123/user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "ssh://git@domain:123/user/repo.git", ComposeSSHCloneURL("user", "repo"))
 
 	// test IPv6 SSH_DOMAIN
 	setting.Repository.UseCompatSSHURI = false
 	setting.SSH.Domain = "::1"
 	setting.SSH.Port = 22
-	assert.Equal(t, "git@[::1]:user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "git@[::1]:user/repo.git", ComposeSSHCloneURL("user", "repo"))
 	setting.SSH.Port = 123
-	assert.Equal(t, "ssh://git@[::1]:123/user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
+	assert.Equal(t, "ssh://git@[::1]:123/user/repo.git", ComposeSSHCloneURL("user", "repo"))
 }

modules/markup/html.go

@@ -7,11 +7,11 @@ import (
 	"bytes"
 	"io"
 	"regexp"
+	"slices"
 	"strings"
 	"sync"
 
 	"code.gitea.io/gitea/modules/markup/common"
-	"code.gitea.io/gitea/modules/setting"
 
 	"golang.org/x/net/html"
 	"golang.org/x/net/html/atom"
@@ -25,7 +25,27 @@ const (
 	IssueNameStyleRegexp       = "regexp"
 )
 
-var (
+// CSS class for action keywords (e.g. "closes: #1")
+const keywordClass = "issue-keyword"
+
+type globalVarsType struct {
+	hashCurrentPattern      *regexp.Regexp
+	shortLinkPattern        *regexp.Regexp
+	anyHashPattern          *regexp.Regexp
+	comparePattern          *regexp.Regexp
+	fullURLPattern          *regexp.Regexp
+	emailRegex              *regexp.Regexp
+	blackfridayExtRegex     *regexp.Regexp
+	emojiShortCodeRegex     *regexp.Regexp
+	issueFullPattern        *regexp.Regexp
+	filesChangedFullPattern *regexp.Regexp
+
+	tagCleaner *regexp.Regexp
+	nulCleaner *strings.Replacer
+}
+
+var globalVars = sync.OnceValue[*globalVarsType](func() *globalVarsType {
+	v := &globalVarsType{}
 	// NOTE: All below regex matching do not perform any extra validation.
 	// Thus a link is produced even if the linked entity does not exist.
 	// While fast, this is also incorrect and lead to false positives.
@@ -36,79 +56,56 @@ var (
 	// hashCurrentPattern matches string that represents a commit SHA, e.g. d8a994ef243349f321568f9e36d5c3f444b99cae
 	// Although SHA1 hashes are 40 chars long, SHA256 are 64, the regex matches the hash from 7 to 64 chars in length
 	// so that abbreviated hash links can be used as well. This matches git and GitHub usability.
-	hashCurrentPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-f]{7,64})(?:\s|$|\)|\]|[.,:](\s|$))`)
+	v.hashCurrentPattern = regexp.MustCompile(`(?:\s|^|\(|\[)([0-9a-f]{7,64})(?:\s|$|\)|\]|[.,:](\s|$))`)
 
 	// shortLinkPattern matches short but difficult to parse [[name|link|arg=test]] syntax
-	shortLinkPattern = regexp.MustCompile(`\[\[(.*?)\]\](\w*)`)
+	v.shortLinkPattern = regexp.MustCompile(`\[\[(.*?)\]\](\w*)`)
 
 	// anyHashPattern splits url containing SHA into parts
-	anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~%./\w]+)?(\?[-+~%.\w&=]+)?(#[-+~%.\w]+)?`)
+	v.anyHashPattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{40,64})(/[-+~%./\w]+)?(\?[-+~%.\w&=]+)?(#[-+~%.\w]+)?`)
 
 	// comparePattern matches "http://domain/org/repo/compare/COMMIT1...COMMIT2#hash"
-	comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,64})(\.\.\.?)([0-9a-f]{7,64})?(#[-+~_%.a-zA-Z0-9]+)?`)
+	v.comparePattern = regexp.MustCompile(`https?://(?:\S+/){4,5}([0-9a-f]{7,64})(\.\.\.?)([0-9a-f]{7,64})?(#[-+~_%.a-zA-Z0-9]+)?`)
 
 	// fullURLPattern matches full URL like "mailto:...", "https://..." and "ssh+git://..."
-	fullURLPattern = regexp.MustCompile(`^[a-z][-+\w]+:`)
+	v.fullURLPattern = regexp.MustCompile(`^[a-z][-+\w]+:`)
 
 	// emailRegex is definitely not perfect with edge cases,
 	// it is still accepted by the CommonMark specification, as well as the HTML5 spec:
 	//   http://spec.commonmark.org/0.28/#email-address
 	//   https://html.spec.whatwg.org/multipage/input.html#e-mail-state-(type%3Demail)
-	emailRegex = regexp.MustCompile("(?:\\s|^|\\(|\\[)([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9]{2,}(?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+)(?:\\s|$|\\)|\\]|;|,|\\?|!|\\.(\\s|$))")
+	v.emailRegex = regexp.MustCompile("(?:\\s|^|\\(|\\[)([a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9]{2,}(?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+)(?:\\s|$|\\)|\\]|;|,|\\?|!|\\.(\\s|$))")
 
 	// blackfridayExtRegex is for blackfriday extensions create IDs like fn:user-content-footnote
-	blackfridayExtRegex = regexp.MustCompile(`[^:]*:user-content-`)
+	v.blackfridayExtRegex = regexp.MustCompile(`[^:]*:user-content-`)
 
 	// emojiShortCodeRegex find emoji by alias like :smile:
-	emojiShortCodeRegex = regexp.MustCompile(`:[-+\w]+:`)
+	v.emojiShortCodeRegex = regexp.MustCompile(`:[-+\w]+:`)
-)
 
-// CSS class for action keywords (e.g. "closes: #1")
+	// example: https://domain/org/repo/pulls/27#hash
-const keywordClass = "issue-keyword"
+	v.issueFullPattern = regexp.MustCompile(`https?://(?:\S+/)[\w_.-]+/[\w_.-]+/(?:issues|pulls)/((?:\w{1,10}-)?[1-9][0-9]*)([\?|#](\S+)?)?\b`)
+
+	// example: https://domain/org/repo/pulls/27/files#hash
+	v.filesChangedFullPattern = regexp.MustCompile(`https?://(?:\S+/)[\w_.-]+/[\w_.-]+/pulls/((?:\w{1,10}-)?[1-9][0-9]*)/files([\?|#](\S+)?)?\b`)
+
+	v.tagCleaner = regexp.MustCompile(`<((?:/?\w+/\w+)|(?:/[\w ]+/)|(/?[hH][tT][mM][lL]\b)|(/?[hH][eE][aA][dD]\b))`)
+	v.nulCleaner = strings.NewReplacer("\000", "")
+	return v
+})
 
 // IsFullURLBytes reports whether link fits valid format.
 func IsFullURLBytes(link []byte) bool {
-	return fullURLPattern.Match(link)
+	return globalVars().fullURLPattern.Match(link)
 }
 
 func IsFullURLString(link string) bool {
-	return fullURLPattern.MatchString(link)
+	return globalVars().fullURLPattern.MatchString(link)
 }
 
 func IsNonEmptyRelativePath(link string) bool {
 	return link != "" && !IsFullURLString(link) && link[0] != '/' && link[0] != '?' && link[0] != '#'
 }
 
-// regexp for full links to issues/pulls
-var issueFullPattern *regexp.Regexp
-
-// Once for to prevent races
-var issueFullPatternOnce sync.Once
-
-// regexp for full links to hash comment in pull request files changed tab
-var filesChangedFullPattern *regexp.Regexp
-
-// Once for to prevent races
-var filesChangedFullPatternOnce sync.Once
-
-func getIssueFullPattern() *regexp.Regexp {
-	issueFullPatternOnce.Do(func() {
-		// example: https://domain/org/repo/pulls/27#hash
-		issueFullPattern = regexp.MustCompile(regexp.QuoteMeta(setting.AppURL) +
-			`[\w_.-]+/[\w_.-]+/(?:issues|pulls)/((?:\w{1,10}-)?[1-9][0-9]*)([\?|#](\S+)?)?\b`)
-	})
-	return issueFullPattern
-}
-
-func getFilesChangedFullPattern() *regexp.Regexp {
-	filesChangedFullPatternOnce.Do(func() {
-		// example: https://domain/org/repo/pulls/27/files#hash
-		filesChangedFullPattern = regexp.MustCompile(regexp.QuoteMeta(setting.AppURL) +
-			`[\w_.-]+/[\w_.-]+/pulls/((?:\w{1,10}-)?[1-9][0-9]*)/files([\?|#](\S+)?)?\b`)
-	})
-	return filesChangedFullPattern
-}
-
 // CustomLinkURLSchemes allows for additional schemes to be detected when parsing links within text
 func CustomLinkURLSchemes(schemes []string) {
 	schemes = append(schemes, "http", "https")
@@ -197,13 +194,6 @@ func RenderCommitMessage(
 	content string,
 ) (string, error) {
 	procs := commitMessageProcessors
-	if ctx.DefaultLink != "" {
-		// we don't have to fear data races, because being
-		// commitMessageProcessors of fixed len and cap, every time we append
-		// something to it the slice is realloc+copied, so append always
-		// generates the slice ex-novo.
-		procs = append(procs, genDefaultLinkProcessor(ctx.DefaultLink))
-	}
 	return renderProcessString(ctx, procs, content)
 }
 
@@ -231,16 +221,17 @@ var emojiProcessors = []processor{
 // which changes every text node into a link to the passed default link.
 func RenderCommitMessageSubject(
 	ctx *RenderContext,
-	content string,
+	defaultLink, content string,
 ) (string, error) {
-	procs := commitMessageSubjectProcessors
+	procs := slices.Clone(commitMessageSubjectProcessors)
-	if ctx.DefaultLink != "" {
+	procs = append(procs, func(ctx *RenderContext, node *html.Node) {
-		// we don't have to fear data races, because being
+		ch := &html.Node{Parent: node, Type: html.TextNode, Data: node.Data}
-		// commitMessageSubjectProcessors of fixed len and cap, every time we
+		node.Type = html.ElementNode
-		// append something to it the slice is realloc+copied, so append always
+		node.Data = "a"
-		// generates the slice ex-novo.
+		node.DataAtom = atom.A
-		procs = append(procs, genDefaultLinkProcessor(ctx.DefaultLink))
+		node.Attr = []html.Attribute{{Key: "href", Val: defaultLink}, {Key: "class", Val: "muted"}}
-	}
+		node.FirstChild, node.LastChild = ch, ch
+	})
 	return renderProcessString(ctx, procs, content)
 }
 
@@ -249,10 +240,8 @@ func RenderIssueTitle(
 	ctx *RenderContext,
 	title string,
 ) (string, error) {
+	// do not render other issue/commit links in an issue's title - which in most cases is already a link.
 	return renderProcessString(ctx, []processor{
-		issueIndexPatternProcessor,
-		commitCrossReferencePatternProcessor,
-		hashCurrentPatternProcessor,
 		emojiShortCodeProcessor,
 		emojiProcessor,
 	}, title)
@@ -288,11 +277,6 @@ func RenderEmoji(
 	return renderProcessString(ctx, emojiProcessors, content)
 }
 
-var (
-	tagCleaner = regexp.MustCompile(`<((?:/?\w+/\w+)|(?:/[\w ]+/)|(/?[hH][tT][mM][lL]\b)|(/?[hH][eE][aA][dD]\b))`)
-	nulCleaner = strings.NewReplacer("\000", "")
-)
-
 func postProcess(ctx *RenderContext, procs []processor, input io.Reader, output io.Writer) error {
 	defer ctx.Cancel()
 	// FIXME: don't read all content to memory
@@ -306,7 +290,7 @@ func postProcess(ctx *RenderContext, procs []processor, input io.Reader, output
 		// prepend "<html><body>"
 		strings.NewReader("<html><body>"),
 		// Strip out nuls - they're always invalid
-		bytes.NewReader(tagCleaner.ReplaceAll([]byte(nulCleaner.Replace(string(rawHTML))), []byte("&lt;$1"))),
+		bytes.NewReader(globalVars().tagCleaner.ReplaceAll([]byte(globalVars().nulCleaner.Replace(string(rawHTML))), []byte("&lt;$1"))),
 		// close the tags
 		strings.NewReader("</body></html>"),
 	))
@@ -353,7 +337,7 @@ func visitNode(ctx *RenderContext, procs []processor, node *html.Node) *html.Nod
 	// Add user-content- to IDs and "#" links if they don't already have them
 	for idx, attr := range node.Attr {
 		val := strings.TrimPrefix(attr.Val, "#")
-		notHasPrefix := !(strings.HasPrefix(val, "user-content-") || blackfridayExtRegex.MatchString(val))
+		notHasPrefix := !(strings.HasPrefix(val, "user-content-") || globalVars().blackfridayExtRegex.MatchString(val))
 
 		if attr.Key == "id" && notHasPrefix {
 			node.Attr[idx].Val = "user-content-" + attr.Val

modules/markup/html_commit.go

@@ -54,7 +54,7 @@ func createCodeLink(href, content, class string) *html.Node {
 }
 
 func anyHashPatternExtract(s string) (ret anyHashPatternResult, ok bool) {
-	m := anyHashPattern.FindStringSubmatchIndex(s)
+	m := globalVars().anyHashPattern.FindStringSubmatchIndex(s)
 	if m == nil {
 		return ret, false
 	}
@@ -120,7 +120,7 @@ func comparePatternProcessor(ctx *RenderContext, node *html.Node) {
 			node = node.NextSibling
 			continue
 		}
-		m := comparePattern.FindStringSubmatchIndex(node.Data)
+		m := globalVars().comparePattern.FindStringSubmatchIndex(node.Data)
 		if m == nil || slices.Contains(m[:8], -1) { // ensure that every group (m[0]...m[7]) has a match
 			node = node.NextSibling
 			continue
@@ -173,7 +173,7 @@ func hashCurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
 		ctx.ShaExistCache = make(map[string]bool)
 	}
 	for node != nil && node != next && start < len(node.Data) {
-		m := hashCurrentPattern.FindStringSubmatchIndex(node.Data[start:])
+		m := globalVars().hashCurrentPattern.FindStringSubmatchIndex(node.Data[start:])
 		if m == nil {
 			return
 		}

modules/markup/html_email.go

@@ -9,7 +9,7 @@ import "golang.org/x/net/html"
 func emailAddressProcessor(ctx *RenderContext, node *html.Node) {
 	next := node.NextSibling
 	for node != nil && node != next {
-		m := emailRegex.FindStringSubmatchIndex(node.Data)
+		m := globalVars().emailRegex.FindStringSubmatchIndex(node.Data)
 		if m == nil {
 			return
 		}

modules/markup/html_emoji.go

@@ -62,7 +62,7 @@ func emojiShortCodeProcessor(ctx *RenderContext, node *html.Node) {
 	start := 0
 	next := node.NextSibling
 	for node != nil && node != next && start < len(node.Data) {
-		m := emojiShortCodeRegex.FindStringSubmatchIndex(node.Data[start:])
+		m := globalVars().emojiShortCodeRegex.FindStringSubmatchIndex(node.Data[start:])
 		if m == nil {
 			return
 		}

modules/markup/html_internal_test.go

@@ -40,17 +40,19 @@ func link(href, class, contents string) string {
 }
 
 var numericMetas = map[string]string{
-	"format": "https://someurl.com/{user}/{repo}/{index}",
+	"format":                       "https://someurl.com/{user}/{repo}/{index}",
-	"user":   "someUser",
+	"user":                         "someUser",
-	"repo":   "someRepo",
+	"repo":                         "someRepo",
-	"style":  IssueNameStyleNumeric,
+	"style":                        IssueNameStyleNumeric,
+	"markupAllowShortIssuePattern": "true",
 }
 
 var alphanumericMetas = map[string]string{
-	"format": "https://someurl.com/{user}/{repo}/{index}",
+	"format":                       "https://someurl.com/{user}/{repo}/{index}",
-	"user":   "someUser",
+	"user":                         "someUser",
-	"repo":   "someRepo",
+	"repo":                         "someRepo",
-	"style":  IssueNameStyleAlphanumeric,
+	"style":                        IssueNameStyleAlphanumeric,
+	"markupAllowShortIssuePattern": "true",
 }
 
 var regexpMetas = map[string]string{
@@ -62,8 +64,15 @@ var regexpMetas = map[string]string{
 
 // these values should match the TestOrgRepo const above
 var localMetas = map[string]string{
-	"user": "test-owner",
+	"user":                         "test-owner",
-	"repo": "test-repo",
+	"repo":                         "test-repo",
+	"markupAllowShortIssuePattern": "true",
+}
+
+var localWikiMetas = map[string]string{
+	"user":              "test-owner",
+	"repo":              "test-repo",
+	"markupContentMode": "wiki",
 }
 
 func TestRender_IssueIndexPattern(t *testing.T) {
@@ -124,9 +133,8 @@ func TestRender_IssueIndexPattern2(t *testing.T) {
 		}
 		expectedNil := fmt.Sprintf(expectedFmt, links...)
 		testRenderIssueIndexPattern(t, s, expectedNil, &RenderContext{
-			Ctx:         git.DefaultContext,
+			Ctx:   git.DefaultContext,
-			Metas:       localMetas,
+			Metas: localMetas,
-			ContentMode: RenderContentAsComment,
 		})
 
 		class := "ref-issue"
@@ -139,9 +147,8 @@ func TestRender_IssueIndexPattern2(t *testing.T) {
 		}
 		expectedNum := fmt.Sprintf(expectedFmt, links...)
 		testRenderIssueIndexPattern(t, s, expectedNum, &RenderContext{
-			Ctx:         git.DefaultContext,
+			Ctx:   git.DefaultContext,
-			Metas:       numericMetas,
+			Metas: numericMetas,
-			ContentMode: RenderContentAsComment,
 		})
 	}
 
@@ -262,7 +269,7 @@ func TestRender_IssueIndexPattern5(t *testing.T) {
 	})
 }
 
-func TestRender_IssueIndexPattern_Document(t *testing.T) {
+func TestRender_IssueIndexPattern_NoShortPattern(t *testing.T) {
 	setting.AppURL = TestAppURL
 	metas := map[string]string{
 		"format": "https://someurl.com/{user}/{repo}/{index}",
@@ -285,6 +292,22 @@ func TestRender_IssueIndexPattern_Document(t *testing.T) {
 	})
 }
 
+func TestRender_RenderIssueTitle(t *testing.T) {
+	setting.AppURL = TestAppURL
+	metas := map[string]string{
+		"format": "https://someurl.com/{user}/{repo}/{index}",
+		"user":   "someUser",
+		"repo":   "someRepo",
+		"style":  IssueNameStyleNumeric,
+	}
+	actual, err := RenderIssueTitle(&RenderContext{
+		Ctx:   git.DefaultContext,
+		Metas: metas,
+	}, "#1")
+	assert.NoError(t, err)
+	assert.Equal(t, "#1", actual)
+}
+
 func testRenderIssueIndexPattern(t *testing.T, input, expected string, ctx *RenderContext) {
 	ctx.Links.AbsolutePrefix = true
 	if ctx.Links.Base == "" {
@@ -318,8 +341,7 @@ func TestRender_AutoLink(t *testing.T) {
 			Links: Links{
 				Base: TestRepoURL,
 			},
-			Metas:       localMetas,
+			Metas: localWikiMetas,
-			ContentMode: RenderContentAsWiki,
 		}, strings.NewReader(input), &buffer)
 		assert.Equal(t, err, nil)
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer.String()))
@@ -391,10 +413,10 @@ func TestRegExp_sha1CurrentPattern(t *testing.T) {
 	}
 
 	for _, testCase := range trueTestCases {
-		assert.True(t, hashCurrentPattern.MatchString(testCase))
+		assert.True(t, globalVars().hashCurrentPattern.MatchString(testCase))
 	}
 	for _, testCase := range falseTestCases {
-		assert.False(t, hashCurrentPattern.MatchString(testCase))
+		assert.False(t, globalVars().hashCurrentPattern.MatchString(testCase))
 	}
 }
 
@@ -474,9 +496,9 @@ func TestRegExp_shortLinkPattern(t *testing.T) {
 	}
 
 	for _, testCase := range trueTestCases {
-		assert.True(t, shortLinkPattern.MatchString(testCase))
+		assert.True(t, globalVars().shortLinkPattern.MatchString(testCase))
 	}
 	for _, testCase := range falseTestCases {
-		assert.False(t, shortLinkPattern.MatchString(testCase))
+		assert.False(t, globalVars().shortLinkPattern.MatchString(testCase))
 	}
 }

modules/markup/html_issue.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/httplib"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/references"
 	"code.gitea.io/gitea/modules/regexplru"
@@ -23,18 +24,21 @@ func fullIssuePatternProcessor(ctx *RenderContext, node *html.Node) {
 	}
 	next := node.NextSibling
 	for node != nil && node != next {
-		m := getIssueFullPattern().FindStringSubmatchIndex(node.Data)
+		m := globalVars().issueFullPattern.FindStringSubmatchIndex(node.Data)
 		if m == nil {
 			return
 		}
 
-		mDiffView := getFilesChangedFullPattern().FindStringSubmatchIndex(node.Data)
+		mDiffView := globalVars().filesChangedFullPattern.FindStringSubmatchIndex(node.Data)
 		// leave it as it is if the link is from "Files Changed" tab in PR Diff View https://domain/org/repo/pulls/27/files
 		if mDiffView != nil {
 			return
 		}
 
 		link := node.Data[m[0]:m[1]]
+		if !httplib.IsCurrentGiteaSiteURL(ctx.Ctx, link) {
+			return
+		}
 		text := "#" + node.Data[m[2]:m[3]]
 		// if m[4] and m[5] is not -1, then link is to a comment
 		// indicate that in the text by appending (comment)
@@ -67,8 +71,10 @@ func issueIndexPatternProcessor(ctx *RenderContext, node *html.Node) {
 		return
 	}
 
-	// crossLinkOnly if not comment and not wiki
+	// crossLinkOnly: do not parse "#123", only parse "owner/repo#123"
-	crossLinkOnly := ctx.ContentMode != RenderContentAsTitle && ctx.ContentMode != RenderContentAsComment && ctx.ContentMode != RenderContentAsWiki
+	// if there is no repo in the context, then the "#123" format can't be parsed
+	// old logic: crossLinkOnly := ctx.Metas["mode"] == "document" && !ctx.IsWiki
+	crossLinkOnly := ctx.Metas["markupAllowShortIssuePattern"] != "true"
 
 	var (
 		found bool

modules/markup/html_link.go

@@ -20,9 +20,9 @@ func ResolveLink(ctx *RenderContext, link, userContentAnchorPrefix string) (resu
 	isAnchorFragment := link != "" && link[0] == '#'
 	if !isAnchorFragment && !IsFullURLString(link) {
 		linkBase := ctx.Links.Base
-		if ctx.ContentMode == RenderContentAsWiki {
+		if ctx.IsMarkupContentWiki() {
 			// no need to check if the link should be resolved as a wiki link or a wiki raw link
-			// just use wiki link here and it will be redirected to a wiki raw link if necessary
+			// just use wiki link here, and it will be redirected to a wiki raw link if necessary
 			linkBase = ctx.Links.WikiLink()
 		} else if ctx.Links.BranchPath != "" || ctx.Links.TreePath != "" {
 			// if there is no BranchPath, then the link will be something like "/owner/repo/src/{the-file-path}"
@@ -40,7 +40,7 @@ func ResolveLink(ctx *RenderContext, link, userContentAnchorPrefix string) (resu
 func shortLinkProcessor(ctx *RenderContext, node *html.Node) {
 	next := node.NextSibling
 	for node != nil && node != next {
-		m := shortLinkPattern.FindStringSubmatchIndex(node.Data)
+		m := globalVars().shortLinkPattern.FindStringSubmatchIndex(node.Data)
 		if m == nil {
 			return
 		}
@@ -147,7 +147,7 @@ func shortLinkProcessor(ctx *RenderContext, node *html.Node) {
 		}
 		if image {
 			if !absoluteLink {
-				link = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.ContentMode == RenderContentAsWiki), link)
+				link = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.IsMarkupContentWiki()), link)
 			}
 			title := props["title"]
 			if title == "" {
@@ -200,25 +200,6 @@ func linkProcessor(ctx *RenderContext, node *html.Node) {
 	}
 }
 
-func genDefaultLinkProcessor(defaultLink string) processor {
-	return func(ctx *RenderContext, node *html.Node) {
-		ch := &html.Node{
-			Parent: node,
-			Type:   html.TextNode,
-			Data:   node.Data,
-		}
-
-		node.Type = html.ElementNode
-		node.Data = "a"
-		node.DataAtom = atom.A
-		node.Attr = []html.Attribute{
-			{Key: "href", Val: defaultLink},
-			{Key: "class", Val: "default-link muted"},
-		}
-		node.FirstChild, node.LastChild = ch, ch
-	}
-}
-
 // descriptionLinkProcessor creates links for DescriptionHTML
 func descriptionLinkProcessor(ctx *RenderContext, node *html.Node) {
 	next := node.NextSibling

modules/markup/html_node.go

@@ -17,7 +17,7 @@ func visitNodeImg(ctx *RenderContext, img *html.Node) (next *html.Node) {
 		}
 
 		if IsNonEmptyRelativePath(attr.Val) {
-			attr.Val = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.ContentMode == RenderContentAsWiki), attr.Val)
+			attr.Val = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.IsMarkupContentWiki()), attr.Val)
 
 			// By default, the "<img>" tag should also be clickable,
 			// because frontend use `<img>` to paste the re-scaled image into the markdown,
@@ -53,7 +53,7 @@ func visitNodeVideo(ctx *RenderContext, node *html.Node) (next *html.Node) {
 			continue
 		}
 		if IsNonEmptyRelativePath(attr.Val) {
-			attr.Val = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.ContentMode == RenderContentAsWiki), attr.Val)
+			attr.Val = util.URLJoin(ctx.Links.ResolveMediaLink(ctx.IsMarkupContentWiki()), attr.Val)
 		}
 		attr.Val = camoHandleLink(attr.Val)
 		node.Attr[i] = attr

modules/markup/html_test.go

@@ -27,6 +27,11 @@ var (
 		"user": testRepoOwnerName,
 		"repo": testRepoName,
 	}
+	localWikiMetas = map[string]string{
+		"user":              testRepoOwnerName,
+		"repo":              testRepoName,
+		"markupContentMode": "wiki",
+	}
 )
 
 type mockRepo struct {
@@ -413,8 +418,7 @@ func TestRender_ShortLinks(t *testing.T) {
 			Links: markup.Links{
 				Base: markup.TestRepoURL,
 			},
-			Metas:       localMetas,
+			Metas: localWikiMetas,
-			ContentMode: markup.RenderContentAsWiki,
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(string(buffer)))
@@ -526,10 +530,9 @@ func TestRender_ShortLinks(t *testing.T) {
 func TestRender_RelativeMedias(t *testing.T) {
 	render := func(input string, isWiki bool, links markup.Links) string {
 		buffer, err := markdown.RenderString(&markup.RenderContext{
-			Ctx:         git.DefaultContext,
+			Ctx:   git.DefaultContext,
-			Links:       links,
+			Links: links,
-			Metas:       localMetas,
+			Metas: util.Iif(isWiki, localWikiMetas, localMetas),
-			ContentMode: util.Iif(isWiki, markup.RenderContentAsWiki, markup.RenderContentAsComment),
 		}, input)
 		assert.NoError(t, err)
 		return strings.TrimSpace(string(buffer))

modules/markup/markdown/goldmark.go

@@ -75,11 +75,12 @@ func (g *ASTTransformer) Transform(node *ast.Document, reader text.Reader, pc pa
 				// TODO: this was a quite unclear part, old code: `if metas["mode"] != "document" { use comment link break setting }`
 				// many places render non-comment contents with no mode=document, then these contents also use comment's hard line break setting
 				// especially in many tests.
+				markdownLineBreakStyle := ctx.Metas["markdownLineBreakStyle"]
 				if markup.RenderBehaviorForTesting.ForceHardLineBreak {
 					v.SetHardLineBreak(true)
-				} else if ctx.ContentMode == markup.RenderContentAsComment {
+				} else if markdownLineBreakStyle == "comment" {
 					v.SetHardLineBreak(setting.Markdown.EnableHardLineBreakInComments)
-				} else {
+				} else if markdownLineBreakStyle == "document" {
 					v.SetHardLineBreak(setting.Markdown.EnableHardLineBreakInDocuments)
 				}
 			}

modules/markup/markdown/markdown_test.go

@@ -37,6 +37,12 @@ var localMetas = map[string]string{
 	"repo": testRepoName,
 }
 
+var localWikiMetas = map[string]string{
+	"user":              testRepoOwnerName,
+	"repo":              testRepoName,
+	"markupContentMode": "wiki",
+}
+
 type mockRepo struct {
 	OwnerName string
 	RepoName  string
@@ -75,7 +81,7 @@ func TestRender_StandardLinks(t *testing.T) {
 			Links: markup.Links{
 				Base: FullURL,
 			},
-			ContentMode: markup.RenderContentAsWiki,
+			Metas: localWikiMetas,
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expectedWiki), strings.TrimSpace(string(buffer)))
@@ -307,9 +313,8 @@ func TestTotal_RenderWiki(t *testing.T) {
 			Links: markup.Links{
 				Base: FullURL,
 			},
-			Repo:        newMockRepo(testRepoOwnerName, testRepoName),
+			Repo:  newMockRepo(testRepoOwnerName, testRepoName),
-			Metas:       localMetas,
+			Metas: localWikiMetas,
-			ContentMode: markup.RenderContentAsWiki,
 		}, sameCases[i])
 		assert.NoError(t, err)
 		assert.Equal(t, answers[i], string(line))
@@ -334,7 +339,7 @@ func TestTotal_RenderWiki(t *testing.T) {
 			Links: markup.Links{
 				Base: FullURL,
 			},
-			ContentMode: markup.RenderContentAsWiki,
+			Metas: localWikiMetas,
 		}, testCases[i])
 		assert.NoError(t, err)
 		assert.EqualValues(t, testCases[i+1], string(line))
@@ -657,9 +662,9 @@ mail@domain.com
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/image.jpg" rel="nofollow"><img src="/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -684,9 +689,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/wiki/raw/image.jpg" rel="nofollow"><img src="/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -713,9 +718,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="https://gitea.io/image.jpg" rel="nofollow"><img src="https://gitea.io/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -742,9 +747,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="https://gitea.io/wiki/raw/image.jpg" rel="nofollow"><img src="https://gitea.io/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -771,9 +776,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/relative/path/image.jpg" rel="nofollow"><img src="/relative/path/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -800,9 +805,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/relative/path/wiki/raw/image.jpg" rel="nofollow"><img src="/relative/path/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -830,9 +835,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/user/repo/media/branch/main/image.jpg" rel="nofollow"><img src="/user/repo/media/branch/main/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -860,9 +865,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/relative/path/wiki/raw/image.jpg" rel="nofollow"><img src="/relative/path/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -890,9 +895,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/user/repo/image.jpg" rel="nofollow"><img src="/user/repo/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -920,9 +925,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/relative/path/wiki/raw/image.jpg" rel="nofollow"><img src="/relative/path/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -951,9 +956,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/user/repo/media/branch/main/sub/folder/image.jpg" rel="nofollow"><img src="/user/repo/media/branch/main/sub/folder/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -982,9 +987,9 @@ space</p>
 <a href="https://example.com/image.jpg" target="_blank" rel="nofollow noopener"><img src="https://example.com/image.jpg" alt="remote image"/></a><br/>
 <a href="/relative/path/wiki/raw/image.jpg" rel="nofollow"><img src="/relative/path/wiki/raw/image.jpg" title="local image" alt="local image"/></a><br/>
 <a href="https://example.com/image.jpg" rel="nofollow"><img src="https://example.com/image.jpg" title="remote link" alt="remote link"/></a><br/>
-<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow">https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash</a><br/>
+<a href="https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash" rel="nofollow"><code>88fc37a3c0...12fc37a3c0 (hash)</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare<br/>
-<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow">https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb</a><br/>
+<a href="https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb" rel="nofollow"><code>88fc37a3c0</code></a><br/>
 com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit<br/>
 <span class="emoji" aria-label="thumbs up">👍</span><br/>
 <a href="mailto:mail@domain.com" rel="nofollow">mail@domain.com</a><br/>
@@ -999,9 +1004,9 @@ space</p>
 	defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableInternalAttributes, true)()
 	for i, c := range cases {
 		result, err := markdown.RenderString(&markup.RenderContext{
-			Ctx:         context.Background(),
+			Ctx:   context.Background(),
-			Links:       c.Links,
+			Links: c.Links,
-			ContentMode: util.Iif(c.IsWiki, markup.RenderContentAsWiki, markup.RenderContentAsDefault),
+			Metas: util.Iif(c.IsWiki, map[string]string{"markupContentMode": "wiki"}, map[string]string{}),
 		}, input)
 		assert.NoError(t, err, "Unexpected error in testcase: %v", i)
 		assert.Equal(t, c.Expected, string(result), "Unexpected result in testcase %v", i)

modules/markup/markdown/transform_image.go

@@ -21,7 +21,7 @@ func (g *ASTTransformer) transformImage(ctx *markup.RenderContext, v *ast.Image)
 	// Check if the destination is a real link
 	if len(v.Destination) > 0 && !markup.IsFullURLBytes(v.Destination) {
 		v.Destination = []byte(giteautil.URLJoin(
-			ctx.Links.ResolveMediaLink(ctx.ContentMode == markup.RenderContentAsWiki),
+			ctx.Links.ResolveMediaLink(ctx.IsMarkupContentWiki()),
 			strings.TrimLeft(string(v.Destination), "/"),
 		))
 	}

modules/markup/orgmode/orgmode.go

@@ -144,15 +144,14 @@ func (r *Writer) resolveLink(kind, link string) string {
 		}
 
 		base := r.Ctx.Links.Base
-		isWiki := r.Ctx.ContentMode == markup.RenderContentAsWiki
+		if r.Ctx.IsMarkupContentWiki() {
-		if isWiki {
 			base = r.Ctx.Links.WikiLink()
 		} else if r.Ctx.Links.HasBranchInfo() {
 			base = r.Ctx.Links.SrcLink()
 		}
 
 		if kind == "image" || kind == "video" {
-			base = r.Ctx.Links.ResolveMediaLink(isWiki)
+			base = r.Ctx.Links.ResolveMediaLink(r.Ctx.IsMarkupContentWiki())
 		}
 
 		link = util.URLJoin(base, link)

modules/markup/orgmode/orgmode_test.go

@@ -27,7 +27,7 @@ func TestRender_StandardLinks(t *testing.T) {
 				Base:       "/relative-path",
 				BranchPath: "branch/main",
 			},
-			ContentMode: util.Iif(isWiki, markup.RenderContentAsWiki, markup.RenderContentAsDefault),
+			Metas: map[string]string{"markupContentMode": util.Iif(isWiki, "wiki", "")},
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))

modules/markup/render.go

@@ -27,15 +27,6 @@ const (
 	RenderMetaAsTable   RenderMetaMode = "table"
 )
 
-type RenderContentMode string
-
-const (
-	RenderContentAsDefault RenderContentMode = "" // empty means "default", no special handling, maybe just a simple "document"
-	RenderContentAsComment RenderContentMode = "comment"
-	RenderContentAsTitle   RenderContentMode = "title"
-	RenderContentAsWiki    RenderContentMode = "wiki"
-)
-
 var RenderBehaviorForTesting struct {
 	// Markdown line break rendering has 2 default behaviors:
 	// * Use hard: replace "\n" with "<br>" for comments, setting.Markdown.EnableHardLineBreakInComments=true
@@ -59,12 +50,14 @@ type RenderContext struct {
 	// for file mode, it could be left as empty, and will be detected by file extension in RelativePath
 	MarkupType string
 
-	// what the content will be used for: eg: for comment or for wiki? or just render a file?
+	Links Links // special link references for rendering, especially when there is a branch/tree path
-	ContentMode RenderContentMode
+
+	// user&repo, format&style&regexp (for external issue pattern), teams&org (for mention)
+	// BranchNameSubURL (for iframe&asciicast)
+	// markupAllowShortIssuePattern, markupContentMode (wiki)
+	// markdownLineBreakStyle (comment, document)
+	Metas map[string]string
 
-	Links            Links             // special link references for rendering, especially when there is a branch/tree path
-	Metas            map[string]string // user&repo, format&style&regexp (for external issue pattern), teams&org (for mention), BranchNameSubURL(for iframe&asciicast)
-	DefaultLink      string            // TODO: need to figure out
 	GitRepo          *git.Repository
 	Repo             gitrepo.Repository
 	ShaExistCache    map[string]bool
@@ -102,6 +95,10 @@ func (ctx *RenderContext) AddCancel(fn func()) {
 	}
 }
 
+func (ctx *RenderContext) IsMarkupContentWiki() bool {
+	return ctx.Metas != nil && ctx.Metas["markupContentMode"] == "wiki"
+}
+
 // Render renders markup file to HTML with all specific handling stuff.
 func Render(ctx *RenderContext, input io.Reader, output io.Writer) error {
 	if ctx.MarkupType == "" && ctx.RelativePath != "" {
@@ -232,3 +229,7 @@ func Init(ph *ProcessorHelper) {
 		}
 	}
 }
+
+func ComposeSimpleDocumentMetas() map[string]string {
+	return map[string]string{"markdownLineBreakStyle": "document"}
+}

modules/markup/render_links.go

@@ -10,7 +10,7 @@ import (
 
 type Links struct {
 	AbsolutePrefix bool   // add absolute URL prefix to auto-resolved links like "#issue", but not for pre-provided links and medias
-	Base           string // base prefix for pre-provided links and medias (images, videos)
+	Base           string // base prefix for pre-provided links and medias (images, videos), usually it is the path to the repo
 	BranchPath     string // actually it is the ref path, eg: "branch/features/feat-12", "tag/v1.0"
 	TreePath       string // the dir of the file, eg: "doc" if the file "doc/CHANGE.md" is being rendered
 }

modules/templates/util_render.go

@@ -62,19 +62,18 @@ func (ut *RenderUtils) RenderCommitMessageLinkSubject(msg, urlDefault string, me
 	}
 	msgLine = strings.TrimRightFunc(msgLine, unicode.IsSpace)
 	if len(msgLine) == 0 {
-		return template.HTML("")
+		return ""
 	}
 
 	// we can safely assume that it will not return any error, since there
 	// shouldn't be any special HTML.
 	renderedMessage, err := markup.RenderCommitMessageSubject(&markup.RenderContext{
-		Ctx:         ut.ctx,
+		Ctx:   ut.ctx,
-		DefaultLink: urlDefault,
+		Metas: metas,
-		Metas:       metas,
+	}, urlDefault, template.HTMLEscapeString(msgLine))
-	}, template.HTMLEscapeString(msgLine))
 	if err != nil {
 		log.Error("RenderCommitMessageSubject: %v", err)
-		return template.HTML("")
+		return ""
 	}
 	return renderCodeBlock(template.HTML(renderedMessage))
 }
@@ -94,9 +93,8 @@ func (ut *RenderUtils) RenderCommitBody(msg string, metas map[string]string) tem
 	}
 
 	renderedMessage, err := markup.RenderCommitMessage(&markup.RenderContext{
-		Ctx:         ut.ctx,
+		Ctx:   ut.ctx,
-		Metas:       metas,
+		Metas: metas,
-		ContentMode: markup.RenderContentAsComment,
 	}, template.HTMLEscapeString(msgLine))
 	if err != nil {
 		log.Error("RenderCommitMessage: %v", err)
@@ -117,9 +115,8 @@ func renderCodeBlock(htmlEscapedTextToRender template.HTML) template.HTML {
 // RenderIssueTitle renders issue/pull title with defined post processors
 func (ut *RenderUtils) RenderIssueTitle(text string, metas map[string]string) template.HTML {
 	renderedText, err := markup.RenderIssueTitle(&markup.RenderContext{
-		Ctx:         ut.ctx,
+		Ctx:   ut.ctx,
-		ContentMode: markup.RenderContentAsTitle,
+		Metas: metas,
-		Metas:       metas,
 	}, template.HTMLEscapeString(text))
 	if err != nil {
 		log.Error("RenderIssueTitle: %v", err)
@@ -212,7 +209,7 @@ func reactionToEmoji(reaction string) template.HTML {
 func (ut *RenderUtils) MarkdownToHtml(input string) template.HTML { //nolint:revive
 	output, err := markdown.RenderString(&markup.RenderContext{
 		Ctx:   ut.ctx,
-		Metas: map[string]string{"mode": "document"},
+		Metas: markup.ComposeSimpleDocumentMetas(),
 	}, input)
 	if err != nil {
 		log.Error("RenderString: %v", err)

modules/templates/util_render_test.go

@@ -47,10 +47,11 @@ mail@domain.com
 }
 
 var testMetas = map[string]string{
-	"user":     "user13",
+	"user":                         "user13",
-	"repo":     "repo11",
+	"repo":                         "repo11",
-	"repoPath": "../../tests/gitea-repositories-meta/user13/repo11.git/",
+	"repoPath":                     "../../tests/gitea-repositories-meta/user13/repo11.git/",
-	"mode":     "comment",
+	"markdownLineBreakStyle":       "comment",
+	"markupAllowShortIssuePattern": "true",
 }
 
 func TestMain(m *testing.M) {
@@ -75,8 +76,7 @@ func newTestRenderUtils() *RenderUtils {
 func TestRenderCommitBody(t *testing.T) {
 	defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableInternalAttributes, true)()
 	type args struct {
-		msg   string
+		msg string
-		metas map[string]string
 	}
 	tests := []struct {
 		name string
@@ -108,7 +108,7 @@ func TestRenderCommitBody(t *testing.T) {
 	ut := newTestRenderUtils()
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			assert.Equalf(t, tt.want, ut.RenderCommitBody(tt.args.msg, tt.args.metas), "RenderCommitBody(%v, %v)", tt.args.msg, tt.args.metas)
+			assert.Equalf(t, tt.want, ut.RenderCommitBody(tt.args.msg, nil), "RenderCommitBody(%v, %v)", tt.args.msg, nil)
 		})
 	}
 
@@ -140,7 +140,7 @@ func TestRenderCommitMessage(t *testing.T) {
 }
 
 func TestRenderCommitMessageLinkSubject(t *testing.T) {
-	expected := `<a href="https://example.com/link" class="default-link muted">space </a><a href="/mention-user" data-markdown-generated-content="" class="mention">@mention-user</a>`
+	expected := `<a href="https://example.com/link" class="muted">space </a><a href="/mention-user" data-markdown-generated-content="" class="mention">@mention-user</a>`
 	assert.EqualValues(t, expected, newTestRenderUtils().RenderCommitMessageLinkSubject(testInput(), "https://example.com/link", testMetas))
 }
 
@@ -164,11 +164,11 @@ com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit
 <span class="emoji" aria-label="thumbs up">👍</span>
 mail@domain.com
 @mention-user test
-<a href="/user13/repo11/issues/123" class="ref-issue">#123</a>
+#123
   space<SPACE><SPACE>
 `
 	expected = strings.ReplaceAll(expected, "<SPACE>", " ")
-	assert.EqualValues(t, expected, string(newTestRenderUtils().RenderIssueTitle(testInput(), testMetas)))
+	assert.EqualValues(t, expected, string(newTestRenderUtils().RenderIssueTitle(testInput(), nil)))
 }
 
 func TestRenderMarkdownToHtml(t *testing.T) {

routers/common/markup.go

@@ -47,11 +47,12 @@ func RenderMarkup(ctx *context.Base, repo *context.Repository, mode, text, urlPa
 	switch mode {
 	case "gfm": // legacy mode, do nothing
 	case "comment":
-		renderCtx.ContentMode = markup.RenderContentAsComment
+		renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "comment"}
 	case "wiki":
-		renderCtx.ContentMode = markup.RenderContentAsWiki
+		renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "document", "markupContentMode": "wiki"}
 	case "file":
 		// render the repo file content by its extension
+		renderCtx.Metas = map[string]string{"markdownLineBreakStyle": "document"}
 		renderCtx.MarkupType = ""
 		renderCtx.RelativePath = filePath
 		renderCtx.InStandalonePage = true
@@ -74,10 +75,12 @@ func RenderMarkup(ctx *context.Base, repo *context.Repository, mode, text, urlPa
 
 	if repo != nil && repo.Repository != nil {
 		renderCtx.Repo = repo.Repository
-		if renderCtx.ContentMode == markup.RenderContentAsComment {
+		if mode == "file" {
-			renderCtx.Metas = repo.Repository.ComposeMetas(ctx)
-		} else {
 			renderCtx.Metas = repo.Repository.ComposeDocumentMetas(ctx)
+		} else if mode == "wiki" {
+			renderCtx.Metas = repo.Repository.ComposeWikiMetas(ctx)
+		} else if mode == "comment" {
+			renderCtx.Metas = repo.Repository.ComposeMetas(ctx)
 		}
 	}
 	if err := markup.Render(renderCtx, strings.NewReader(text), ctx.Resp); err != nil {

routers/web/feed/convert.go

@@ -56,7 +56,7 @@ func renderMarkdown(ctx *context.Context, act *activities_model.Action, content
 		Links: markup.Links{
 			Base: act.GetRepoLink(ctx),
 		},
-		Metas: map[string]string{
+		Metas: map[string]string{ // FIXME: not right here, it should use issue to compose the metas
 			"user": act.GetRepoUserName(ctx),
 			"repo": act.GetRepoName(ctx),
 		},

routers/web/feed/profile.go

@@ -46,9 +46,7 @@ func showUserFeed(ctx *context.Context, formatType string) {
 		Links: markup.Links{
 			Base: ctx.ContextUser.HTMLURL(),
 		},
-		Metas: map[string]string{
+		Metas: markup.ComposeSimpleDocumentMetas(),
-			"user": ctx.ContextUser.GetDisplayName(),
-		},
 	}, ctx.ContextUser.Description)
 	if err != nil {
 		ctx.ServerError("RenderString", err)

routers/web/org/home.go

@@ -189,7 +189,7 @@ func prepareOrgProfileReadme(ctx *context.Context, viewRepositories bool) bool {
 				Base:       profileDbRepo.Link(),
 				BranchPath: path.Join("branch", util.PathEscapeSegments(profileDbRepo.DefaultBranch)),
 			},
-			Metas: map[string]string{"mode": "document"},
+			Metas: markup.ComposeSimpleDocumentMetas(),
 		}, bytes); err != nil {
 			log.Error("failed to RenderString: %v", err)
 		} else {

routers/web/repo/wiki.go

@@ -289,9 +289,8 @@ func renderViewPage(ctx *context.Context) (*git.Repository, *git.TreeEntry) {
 	}
 
 	rctx := &markup.RenderContext{
-		Ctx:         ctx,
+		Ctx:   ctx,
-		ContentMode: markup.RenderContentAsWiki,
+		Metas: ctx.Repo.Repository.ComposeWikiMetas(ctx),
-		Metas:       ctx.Repo.Repository.ComposeDocumentMetas(ctx),
 		Links: markup.Links{
 			Base: ctx.Repo.RepoLink,
 		},

routers/web/shared/user/header.go

@@ -50,7 +50,7 @@ func PrepareContextForProfileBigAvatar(ctx *context.Context) {
 	ctx.Data["OpenIDs"] = openIDs
 	if len(ctx.ContextUser.Description) != 0 {
 		content, err := markdown.RenderString(&markup.RenderContext{
-			Metas: map[string]string{"mode": "document"},
+			Metas: markup.ComposeSimpleDocumentMetas(),
 			Ctx:   ctx,
 		}, ctx.ContextUser.Description)
 		if err != nil {

templates/repo/view_file.tmpl

@@ -29,7 +29,7 @@
 		<div class="file-header-left tw-flex tw-items-center tw-py-2 tw-pr-4">
 			{{if .ReadmeInList}}
 				{{svg "octicon-book" 16 "tw-mr-2"}}
-				<strong><a class="default-link muted" href="#readme">{{.FileName}}</a></strong>
+				<strong><a class="muted" href="#readme">{{.FileName}}</a></strong>
 			{{else}}
 				{{template "repo/file_info" .}}
 			{{end}}