Add context when rendering labels or emojis (#23281)

This branch continues the work of #23092 and attempts to rid the
codebase of any `nil` contexts when using a `RenderContext`.

Anything that renders markdown or does post processing may call
`markup.sha1CurrentPatternProcessor()`, and this runs
`git.OpenRepository()`, which needs a context. It will panic if the
context is `nil`. This branch attempts to _always_ include a context
when creating a `RenderContext` to prevent future crashes.

Co-authored-by: Kyle D <kdumontnu@gmail.com>

23 files changed, 136 insertions, 76 deletions

diff --git a/modules/csv/csv_test.go b/modules/csv/csv_test.go
index c627597fa3..6b91a81fc4 100644
--- a/modules/csv/csv_test.go
+++ b/modules/csv/csv_test.go
@@ -11,6 +11,7 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/markup"
 
 	"github.com/stretchr/testify/assert"
@@ -229,7 +230,10 @@ John Doe	john@doe.com	This,note,had,a,lot,of,commas,to,test,delimiters`,
 	}
 
 	for n, c := range cases {
-		delimiter := determineDelimiter(&markup.RenderContext{RelativePath: c.filename}, []byte(decodeSlashes(t, c.csv)))
+		delimiter := determineDelimiter(&markup.RenderContext{
+			Ctx:          git.DefaultContext,
+			RelativePath: c.filename,
+		}, []byte(decodeSlashes(t, c.csv)))
 		assert.EqualValues(t, c.expectedDelimiter, delimiter, "case %d: delimiter should be equal, expected '%c' got '%c'", n, c.expectedDelimiter, delimiter)
 	}
 }
diff --git a/modules/markup/console/console_test.go b/modules/markup/console/console_test.go
index 506f86194c..2337d91ac5 100644
--- a/modules/markup/console/console_test.go
+++ b/modules/markup/console/console_test.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/markup"
 
 	"github.com/stretchr/testify/assert"
@@ -23,7 +24,8 @@ func TestRenderConsole(t *testing.T) {
 		canRender := render.CanRender("test", strings.NewReader(k))
 		assert.True(t, canRender)
 
-		err := render.Render(&markup.RenderContext{}, strings.NewReader(k), &buf)
+		err := render.Render(&markup.RenderContext{Ctx: git.DefaultContext},
+			strings.NewReader(k), &buf)
 		assert.NoError(t, err)
 		assert.EqualValues(t, v, buf.String())
 	}
diff --git a/modules/markup/csv/csv_test.go b/modules/markup/csv/csv_test.go
index b9f5769be2..8c07184b21 100644
--- a/modules/markup/csv/csv_test.go
+++ b/modules/markup/csv/csv_test.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/markup"
 
 	"github.com/stretchr/testify/assert"
@@ -23,7 +24,8 @@ func TestRenderCSV(t *testing.T) {
 
 	for k, v := range kases {
 		var buf strings.Builder
-		err := render.Render(&markup.RenderContext{}, strings.NewReader(k), &buf)
+		err := render.Render(&markup.RenderContext{Ctx: git.DefaultContext},
+			strings.NewReader(k), &buf)
 		assert.NoError(t, err)
 		assert.EqualValues(t, v, buf.String())
 	}
diff --git a/modules/markup/html.go b/modules/markup/html.go
index bcb38f99eb..76fc54cf46 100644
--- a/modules/markup/html.go
+++ b/modules/markup/html.go
@@ -291,9 +291,10 @@ func RenderDescriptionHTML(
 // RenderEmoji for when we want to just process emoji and shortcodes
 // in various places it isn't already run through the normal markdown processor
 func RenderEmoji(
+	ctx *RenderContext,
 	content string,
 ) (string, error) {
-	return renderProcessString(&RenderContext{}, emojiProcessors, content)
+	return renderProcessString(ctx, emojiProcessors, content)
 }
 
 var (
diff --git a/modules/markup/html_internal_test.go b/modules/markup/html_internal_test.go
index 6746c40d18..a048f1f527 100644
--- a/modules/markup/html_internal_test.go
+++ b/modules/markup/html_internal_test.go
@@ -9,6 +9,7 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
 
@@ -70,8 +71,13 @@ var localMetas = map[string]string{
 func TestRender_IssueIndexPattern(t *testing.T) {
 	// numeric: render inputs without valid mentions
 	test := func(s string) {
-		testRenderIssueIndexPattern(t, s, s, &RenderContext{})
-		testRenderIssueIndexPattern(t, s, s, &RenderContext{Metas: numericMetas})
+		testRenderIssueIndexPattern(t, s, s, &RenderContext{
+			Ctx: git.DefaultContext,
+		})
+		testRenderIssueIndexPattern(t, s, s, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: numericMetas,
+		})
 	}
 
 	// should not render anything when there are no mentions
@@ -119,7 +125,10 @@ func TestRender_IssueIndexPattern2(t *testing.T) {
 			links[i] = numericIssueLink(util.URLJoin(TestRepoURL, path), "ref-issue", index, marker)
 		}
 		expectedNil := fmt.Sprintf(expectedFmt, links...)
-		testRenderIssueIndexPattern(t, s, expectedNil, &RenderContext{Metas: localMetas})
+		testRenderIssueIndexPattern(t, s, expectedNil, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: localMetas,
+		})
 
 		class := "ref-issue"
 		if isExternal {
@@ -130,7 +139,10 @@ func TestRender_IssueIndexPattern2(t *testing.T) {
 			links[i] = numericIssueLink(prefix, class, index, marker)
 		}
 		expectedNum := fmt.Sprintf(expectedFmt, links...)
-		testRenderIssueIndexPattern(t, s, expectedNum, &RenderContext{Metas: numericMetas})
+		testRenderIssueIndexPattern(t, s, expectedNum, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: numericMetas,
+		})
 	}
 
 	// should render freestanding mentions
@@ -164,7 +176,10 @@ func TestRender_IssueIndexPattern3(t *testing.T) {
 
 	// alphanumeric: render inputs without valid mentions
 	test := func(s string) {
-		testRenderIssueIndexPattern(t, s, s, &RenderContext{Metas: alphanumericMetas})
+		testRenderIssueIndexPattern(t, s, s, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: alphanumericMetas,
+		})
 	}
 	test("")
 	test("this is a test")
@@ -194,7 +209,10 @@ func TestRender_IssueIndexPattern4(t *testing.T) {
 			links[i] = externalIssueLink("https://someurl.com/someUser/someRepo/", "ref-issue ref-external-issue", name)
 		}
 		expected := fmt.Sprintf(expectedFmt, links...)
-		testRenderIssueIndexPattern(t, s, expected, &RenderContext{Metas: alphanumericMetas})
+		testRenderIssueIndexPattern(t, s, expected, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: alphanumericMetas,
+		})
 	}
 	test("OTT-1234 test", "%s test", "OTT-1234")
 	test("test T-12 issue", "test %s issue", "T-12")
@@ -214,7 +232,10 @@ func TestRender_IssueIndexPattern5(t *testing.T) {
 		}
 
 		expected := fmt.Sprintf(expectedFmt, links...)
-		testRenderIssueIndexPattern(t, s, expected, &RenderContext{Metas: metas})
+		testRenderIssueIndexPattern(t, s, expected, &RenderContext{
+			Ctx:   git.DefaultContext,
+			Metas: metas,
+		})
 	}
 
 	test("abc ISSUE-123 def", "abc %s def",
@@ -235,7 +256,10 @@ func TestRender_IssueIndexPattern5(t *testing.T) {
 		[]string{"ISSUE-123"},
 	)
 
-	testRenderIssueIndexPattern(t, "will not match", "will not match", &RenderContext{Metas: regexpMetas})
+	testRenderIssueIndexPattern(t, "will not match", "will not match", &RenderContext{
+		Ctx:   git.DefaultContext,
+		Metas: regexpMetas,
+	})
 }
 
 func testRenderIssueIndexPattern(t *testing.T, input, expected string, ctx *RenderContext) {
@@ -255,6 +279,7 @@ func TestRender_AutoLink(t *testing.T) {
 	test := func(input, expected string) {
 		var buffer strings.Builder
 		err := PostProcess(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: TestRepoURL,
 			Metas:     localMetas,
 		}, strings.NewReader(input), &buffer)
@@ -263,6 +288,7 @@ func TestRender_AutoLink(t *testing.T) {
 
 		buffer.Reset()
 		err = PostProcess(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: TestRepoURL,
 			Metas:     localMetas,
 			IsWiki:    true,
@@ -292,6 +318,7 @@ func TestRender_FullIssueURLs(t *testing.T) {
 	test := func(input, expected string) {
 		var result strings.Builder
 		err := postProcess(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: TestRepoURL,
 			Metas:     localMetas,
 		}, []processor{fullIssuePatternProcessor}, strings.NewReader(input), &result)
diff --git a/modules/markup/html_test.go b/modules/markup/html_test.go
index aea1d92676..f8b84485c0 100644
--- a/modules/markup/html_test.go
+++ b/modules/markup/html_test.go
@@ -91,6 +91,7 @@ func TestRender_CrossReferences(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&RenderContext{
+			Ctx:          git.DefaultContext,
 			RelativePath: "a.md",
 			URLPrefix:    setting.AppSubURL,
 			Metas:        localMetas,
@@ -135,6 +136,7 @@ func TestRender_links(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&RenderContext{
+			Ctx:          git.DefaultContext,
 			RelativePath: "a.md",
 			URLPrefix:    TestRepoURL,
 		}, input)
@@ -234,6 +236,7 @@ func TestRender_email(t *testing.T) {
 
 	test := func(input, expected string) {
 		res, err := RenderString(&RenderContext{
+			Ctx:          git.DefaultContext,
 			RelativePath: "a.md",
 			URLPrefix:    TestRepoURL,
 		}, input)
@@ -292,6 +295,7 @@ func TestRender_emoji(t *testing.T) {
 	test := func(input, expected string) {
 		expected = strings.ReplaceAll(expected, "&", "&")
 		buffer, err := RenderString(&RenderContext{
+			Ctx:          git.DefaultContext,
 			RelativePath: "a.md",
 			URLPrefix:    TestRepoURL,
 		}, input)
@@ -355,11 +359,13 @@ func TestRender_ShortLinks(t *testing.T) {
 
 	test := func(input, expected, expectedWiki string) {
 		buffer, err := markdown.RenderString(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: tree,
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 		buffer, err = markdown.RenderString(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: TestRepoURL,
 			Metas:     localMetas,
 			IsWiki:    true,
@@ -461,12 +467,14 @@ func TestRender_RelativeImages(t *testing.T) {
 
 	test := func(input, expected, expectedWiki string) {
 		buffer, err := markdown.RenderString(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: tree,
 			Metas:     localMetas,
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 		buffer, err = markdown.RenderString(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: TestRepoURL,
 			Metas:     localMetas,
 			IsWiki:    true,
@@ -501,6 +509,7 @@ func Test_ParseClusterFuzz(t *testing.T) {
 
 	var res strings.Builder
 	err := PostProcess(&RenderContext{
+		Ctx:       git.DefaultContext,
 		URLPrefix: "https://example.com",
 		Metas:     localMetas,
 	}, strings.NewReader(data), &res)
@@ -511,6 +520,7 @@ func Test_ParseClusterFuzz(t *testing.T) {
 
 	res.Reset()
 	err = PostProcess(&RenderContext{
+		Ctx:       git.DefaultContext,
 		URLPrefix: "https://example.com",
 		Metas:     localMetas,
 	}, strings.NewReader(data), &res)
@@ -531,6 +541,7 @@ func TestIssue16020(t *testing.T) {
 
 	var res strings.Builder
 	err := PostProcess(&RenderContext{
+		Ctx:       git.DefaultContext,
 		URLPrefix: "https://example.com",
 		Metas:     localMetas,
 	}, strings.NewReader(data), &res)
@@ -547,6 +558,7 @@ func BenchmarkEmojiPostprocess(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		var res strings.Builder
 		err := PostProcess(&RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: "https://example.com",
 			Metas:     localMetas,
 		}, strings.NewReader(data), &res)
@@ -557,6 +569,7 @@ func BenchmarkEmojiPostprocess(b *testing.B) {
 func TestFuzz(t *testing.T) {
 	s := "t/l/issues/8#/../../a"
 	renderContext := RenderContext{
+		Ctx:       git.DefaultContext,
 		URLPrefix: "https://example.com/go-gitea/gitea",
 		Metas: map[string]string{
 			"user": "go-gitea",
@@ -574,6 +587,7 @@ func TestIssue18471(t *testing.T) {
 
 	var res strings.Builder
 	err := PostProcess(&RenderContext{
+		Ctx:       git.DefaultContext,
 		URLPrefix: "https://example.com",
 		Metas:     localMetas,
 	}, strings.NewReader(data), &res)
diff --git a/modules/markup/markdown/markdown_test.go b/modules/markup/markdown/markdown_test.go
index bb458a65c1..0c7650a5ff 100644
--- a/modules/markup/markdown/markdown_test.go
+++ b/modules/markup/markdown/markdown_test.go
@@ -52,12 +52,14 @@ func TestRender_StandardLinks(t *testing.T) {
 
 	test := func(input, expected, expectedWiki string) {
 		buffer, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 		}, input)
 		assert.NoError(t, err)
 		assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer))
 
 		buffer, err = RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 			IsWiki:    true,
 		}, input)
@@ -81,6 +83,7 @@ func TestRender_Images(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 		}, input)
 		assert.NoError(t, err)
@@ -311,6 +314,7 @@ func TestTotal_RenderWiki(t *testing.T) {
 
 	for i := 0; i < len(testCases); i += 2 {
 		line, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: AppSubURL,
 			IsWiki:    true,
 		}, testCases[i])
@@ -339,6 +343,7 @@ func TestTotal_RenderString(t *testing.T) {
 
 	for i := 0; i < len(testCases); i += 2 {
 		line, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: AppSubURL,
 		}, testCases[i])
 		assert.NoError(t, err)
@@ -348,17 +353,17 @@ func TestTotal_RenderString(t *testing.T) {
 
 func TestRender_RenderParagraphs(t *testing.T) {
 	test := func(t *testing.T, str string, cnt int) {
-		res, err := RenderRawString(&markup.RenderContext{}, str)
+		res, err := RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, str)
 		assert.NoError(t, err)
 		assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for unix should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
 
 		mac := strings.ReplaceAll(str, "\n", "\r")
-		res, err = RenderRawString(&markup.RenderContext{}, mac)
+		res, err = RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, mac)
 		assert.NoError(t, err)
 		assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for mac should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
 
 		dos := strings.ReplaceAll(str, "\n", "\r\n")
-		res, err = RenderRawString(&markup.RenderContext{}, dos)
+		res, err = RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, dos)
 		assert.NoError(t, err)
 		assert.Equal(t, cnt, strings.Count(res, "<p"), "Rendered result for windows should have %d paragraph(s) but has %d:\n%s\n", cnt, strings.Count(res, "<p"), res)
 	}
@@ -386,7 +391,7 @@ func TestMarkdownRenderRaw(t *testing.T) {
 
 	for _, testcase := range testcases {
 		log.Info("Test markdown render error with fuzzy data: %x, the following errors can be recovered", testcase)
-		_, err := RenderRawString(&markup.RenderContext{}, string(testcase))
+		_, err := RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, string(testcase))
 		assert.NoError(t, err)
 	}
 }
@@ -398,7 +403,7 @@ func TestRenderSiblingImages_Issue12925(t *testing.T) {
 	expected := `<p><a href="/image1" target="_blank" rel="nofollow noopener"><img src="/image1" alt="image1"></a><br>
 <a href="/image2" target="_blank" rel="nofollow noopener"><img src="/image2" alt="image2"></a></p>
 `
-	res, err := RenderRawString(&markup.RenderContext{}, testcase)
+	res, err := RenderRawString(&markup.RenderContext{Ctx: git.DefaultContext}, testcase)
 	assert.NoError(t, err)
 	assert.Equal(t, expected, res)
 }
@@ -407,7 +412,7 @@ func TestRenderEmojiInLinks_Issue12331(t *testing.T) {
 	testcase := `[Link with emoji :moon: in text](https://gitea.io)`
 	expected := `<p><a href="https://gitea.io" rel="nofollow">Link with emoji <span class="emoji" aria-label="waxing gibbous moon">🌔</span> in text</a></p>
 `
-	res, err := RenderString(&markup.RenderContext{}, testcase)
+	res, err := RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, testcase)
 	assert.NoError(t, err)
 	assert.Equal(t, expected, res)
 }
@@ -441,7 +446,7 @@ func TestColorPreview(t *testing.T) {
 	}
 
 	for _, test := range positiveTests {
-		res, err := RenderString(&markup.RenderContext{}, test.testcase)
+		res, err := RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test.testcase)
 		assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
 		assert.Equal(t, test.expected, res, "Unexpected result in testcase %q", test.testcase)
 
@@ -461,7 +466,7 @@ func TestColorPreview(t *testing.T) {
 	}
 
 	for _, test := range negativeTests {
-		res, err := RenderString(&markup.RenderContext{}, test)
+		res, err := RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test)
 		assert.NoError(t, err, "Unexpected error in testcase: %q", test)
 		assert.NotContains(t, res, `<span class="color-preview" style="background-color: `, "Unexpected result in testcase %q", test)
 	}
@@ -508,7 +513,7 @@ func TestMathBlock(t *testing.T) {
 	}
 
 	for _, test := range testcases {
-		res, err := RenderString(&markup.RenderContext{}, test.testcase)
+		res, err := RenderString(&markup.RenderContext{Ctx: git.DefaultContext}, test.testcase)
 		assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
 		assert.Equal(t, test.expected, res, "Unexpected result in testcase %q", test.testcase)
 
diff --git a/modules/markup/orgmode/orgmode_test.go b/modules/markup/orgmode/orgmode_test.go
index 4acb678cd7..d6467c36f7 100644
--- a/modules/markup/orgmode/orgmode_test.go
+++ b/modules/markup/orgmode/orgmode_test.go
@@ -7,6 +7,7 @@ import (
 	"strings"
 	"testing"
 
+	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/markup"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/util"
@@ -26,6 +27,7 @@ func TestRender_StandardLinks(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 		}, input)
 		assert.NoError(t, err)
@@ -46,6 +48,7 @@ func TestRender_Images(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 		}, input)
 		assert.NoError(t, err)
@@ -65,6 +68,7 @@ func TestRender_Source(t *testing.T) {
 
 	test := func(input, expected string) {
 		buffer, err := RenderString(&markup.RenderContext{
+			Ctx:       git.DefaultContext,
 			URLPrefix: setting.AppSubURL,
 		}, input)
 		assert.NoError(t, err)
diff --git a/modules/templates/helper.go b/modules/templates/helper.go
index 17ac68dc6b..19893c7c9d 100644
--- a/modules/templates/helper.go
+++ b/modules/templates/helper.go
@@ -385,10 +385,10 @@ func NewFuncMap() []template.FuncMap {
 			// the table is NOT sorted with this header
 			return ""
 		},
-		"RenderLabel": func(label *issues_model.Label) template.HTML {
-			return template.HTML(RenderLabel(label))
+		"RenderLabel": func(ctx context.Context, label *issues_model.Label) template.HTML {
+			return template.HTML(RenderLabel(ctx, label))
 		},
-		"RenderLabels": func(labels []*issues_model.Label, repoLink string) template.HTML {
+		"RenderLabels": func(ctx context.Context, labels []*issues_model.Label, repoLink string) template.HTML {
 			htmlCode := `<span class="labels-list">`
 			for _, label := range labels {
 				// Protect against nil value in labels - shouldn't happen but would cause a panic if so
@@ -396,7 +396,7 @@ func NewFuncMap() []template.FuncMap {
 					continue
 				}
 				htmlCode += fmt.Sprintf("<a href='%s/issues?labels=%d'>%s</a> ",
-					repoLink, label.ID, RenderLabel(label))
+					repoLink, label.ID, RenderLabel(ctx, label))
 			}
 			htmlCode += "</span>"
 			return template.HTML(htmlCode)
@@ -808,7 +808,7 @@ func RenderIssueTitle(ctx context.Context, text, urlPrefix string, metas map[str
 }
 
 // RenderLabel renders a label
-func RenderLabel(label *issues_model.Label) string {
+func RenderLabel(ctx context.Context, label *issues_model.Label) string {
 	labelScope := label.ExclusiveScope()
 
 	textColor := "#111"
@@ -821,12 +821,12 @@ func RenderLabel(label *issues_model.Label) string {
 	if labelScope == "" {
 		// Regular label
 		return fmt.Sprintf("<div class='ui label' style='color: %s !important; background-color: %s !important' title='%s'>%s</div>",
-			textColor, label.Color, description, RenderEmoji(label.Name))
+			textColor, label.Color, description, RenderEmoji(ctx, label.Name))
 	}
 
 	// Scoped label
-	scopeText := RenderEmoji(labelScope)
-	itemText := RenderEmoji(label.Name[len(labelScope)+1:])
+	scopeText := RenderEmoji(ctx, labelScope)
+	itemText := RenderEmoji(ctx, label.Name[len(labelScope)+1:])
 
 	itemColor := label.Color
 	scopeColor := label.Color
@@ -869,8 +869,9 @@ func RenderLabel(label *issues_model.Label) string {
 }
 
 // RenderEmoji renders html text with emoji post processors
-func RenderEmoji(text string) template.HTML {
-	renderedText, err := markup.RenderEmoji(template.HTMLEscapeString(text))
+func RenderEmoji(ctx context.Context, text string) template.HTML {
+	renderedText, err := markup.RenderEmoji(&markup.RenderContext{Ctx: ctx},
+		template.HTMLEscapeString(text))
 	if err != nil {
 		log.Error("RenderEmoji: %v", err)
 		return template.HTML("")
diff --git a/templates/projects/view.tmpl b/templates/projects/view.tmpl
index 3d0bea35d5..074c5315ab 100644
--- a/templates/projects/view.tmpl
+++ b/templates/projects/view.tmpl
@@ -234,7 +234,7 @@
 						{{if or .Labels .Assignees}}
 						<div class="extra content labels-list gt-p-0 gt-pt-2">
 							{{range .Labels}}
-								<a target="_blank" href="{{$.RepoLink}}/issues?labels={{.ID}}">{{RenderLabel .}}</a>
+								<a target="_blank" href="{{$.RepoLink}}/issues?labels={{.ID}}">{{RenderLabel $.Context .}}</a>
 							{{end}}
 							<div class="right floated">
 								{{range .Assignees}}
diff --git a/templates/repo/activity.tmpl b/templates/repo/activity.tmpl
index 255951824d..ae1d426bc0 100644
--- a/templates/repo/activity.tmpl
+++ b/templates/repo/activity.tmpl
@@ -129,7 +129,7 @@
 						<span class="ui green label">{{$.locale.Tr "repo.activity.published_release_label"}}</span>
 						{{.TagName}}
 						{{if not .IsTag}}
-							<a class="title" href="{{$.RepoLink}}/src/{{.TagName | PathEscapeSegments}}">{{.Title | RenderEmoji}}</a>
+							<a class="title" href="{{$.RepoLink}}/src/{{.TagName | PathEscapeSegments}}">{{.Title | RenderEmoji $.Context}}</a>
 						{{end}}
 						{{TimeSinceUnix .CreatedUnix $.locale}}
 					</p>
@@ -149,7 +149,7 @@
 				{{range .Activity.MergedPRs}}
 					<p class="desc">
 						<span class="ui purple label">{{$.locale.Tr "repo.activity.merged_prs_label"}}</span>
-						#{{.Index}} <a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Issue.Title | RenderEmoji}}</a>
+						#{{.Index}} <a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Issue.Title | RenderEmoji $.Context}}</a>
 						{{TimeSinceUnix .MergedUnix $.locale}}
 					</p>
 				{{end}}
@@ -168,7 +168,7 @@
 				{{range .Activity.OpenedPRs}}
 					<p class="desc">
 						<span class="ui green label">{{$.locale.Tr "repo.activity.opened_prs_label"}}</span>
-						#{{.Index}} <a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Issue.Title | RenderEmoji}}</a>
+						#{{.Index}} <a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Issue.Title | RenderEmoji $.Context}}</a>
 						{{TimeSinceUnix .Issue.CreatedUnix $.locale}}
 					</p>
 				{{end}}
@@ -187,7 +187,7 @@
 				{{range .Activity.ClosedIssues}}
 					<p class="desc">
 						<span class="ui red label">{{$.locale.Tr "repo.activity.closed_issue_label"}}</span>
-						#{{.Index}} <a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji}}</a>
+						#{{.Index}} <a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji $.Context}}</a>
 						{{TimeSinceUnix .ClosedUnix $.locale}}
 					</p>
 				{{end}}
@@ -206,7 +206,7 @@
 				{{range .Activity.OpenedIssues}}
 					<p class="desc">
 						<span class="ui green label">{{$.locale.Tr "repo.activity.new_issue_label"}}</span>
-						#{{.Index}} <a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji}}</a>
+						#{{.Index}} <a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji $.Context}}</a>
 						{{TimeSinceUnix .CreatedUnix $.locale}}
 					</p>
 				{{end}}
@@ -227,9 +227,9 @@
 						<span class="ui green label">{{$.locale.Tr "repo.activity.unresolved_conv_label"}}</span>
 						#{{.Index}}
 						{{if .IsPull}}
-						<a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Title | RenderEmoji}}</a>
+						<a class="title" href="{{$.RepoLink}}/pulls/{{.Index}}">{{.Title | RenderEmoji $.Context}}</a>
 						{{else}}
-						<a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji}}</a>
+						<a class="title" href="{{$.RepoLink}}/issues/{{.Index}}">{{.Title | RenderEmoji $.Context}}</a>
 						{{end}}
 						{{TimeSinceUnix .UpdatedUnix $.locale}}
 					</p>
diff --git a/templates/repo/commits_list.tmpl b/templates/repo/commits_list.tmpl
index eaf86ab4e1..36333c5540 100644
--- a/templates/repo/commits_list.tmpl
+++ b/templates/repo/commits_list.tmpl
@@ -61,7 +61,7 @@
 						<td class="message">
 							<span class="message-wrapper">
 							{{if $.PageIsWiki}}
-								<span class="commit-summary {{if gt .ParentCount 1}} grey text{{end}}" title="{{.Summary}}">{{.Summary | RenderEmoji}}</span>
+								<span class="commit-summary {{if gt .ParentCount 1}} grey text{{end}}" title="{{.Summary}}">{{.Summary | RenderEmoji $.Context}}</span>
 							{{else}}
 								{{$commitLink:= printf "%s/commit/%s" $commitRepoLink (PathEscape .ID.String)}}
 								<span class="commit-summary {{if gt .ParentCount 1}} grey text{{end}}" title="{{.Summary}}">{{RenderCommitMessageLinkSubject $.Context .Message $commitRepoLink $commitLink $.Repository.ComposeMetas}}</span>
diff --git a/templates/repo/issue/labels/label.tmpl b/templates/repo/issue/labels/label.tmpl
index 6e9177aec2..01016281ad 100644
--- a/templates/repo/issue/labels/label.tmpl
+++ b/templates/repo/issue/labels/label.tmpl
@@ -3,5 +3,5 @@
 	id="label_{{.label.ID}}"
 	href="{{.root.RepoLink}}/{{if or .root.IsPull .root.Issue.IsPull}}pulls{{else}}issues{{end}}?labels={{.label.ID}}"{{/* FIXME: use .root.Issue.Link or create .root.Link */}}
 >
-	{{RenderLabel .label}}
+	{{RenderLabel $.Context .label}}
 </a>
diff --git a/templates/repo/issue/labels/label_list.tmpl b/templates/repo/issue/labels/label_list.tmpl
index e8f00fa256..2c8ace8d75 100644
--- a/templates/repo/issue/labels/label_list.tmpl
+++ b/templates/repo/issue/labels/label_list.tmpl
@@ -31,8 +31,8 @@
 			<li class="item">
 			<div class="ui grid middle aligned">
 				<div class="nine wide column">
-					{{RenderLabel .}}
-					{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}
+					{{RenderLabel $.Context .}}
+					{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}
 				</div>
 				<div class="four wide column">
 					{{if $.PageIsOrgSettingsLabels}}
@@ -70,8 +70,8 @@
 					<li class="item">
 					<div class="ui grid middle aligned">
 						<div class="nine wide column">
-							{{RenderLabel .}}
-							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}
+							{{RenderLabel $.Context .}}
+							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}
 						</div>
 						<div class="four wide column">
 							<a class="ui left open-issues" href="{{$.RepoLink}}/issues?labels={{.ID}}">{{svg "octicon-issue-opened"}} {{$.locale.Tr "repo.issues.label_open_issues" .NumOpenRepoIssues}}</a>
diff --git a/templates/repo/issue/list.tmpl b/templates/repo/issue/list.tmpl
index 23a8a1d0e1..ca05264e77 100644
--- a/templates/repo/issue/list.tmpl
+++ b/templates/repo/issue/list.tmpl
@@ -57,7 +57,7 @@
 									<div class="ui divider"></div>
 								{{end}}
 								{{$previousExclusiveScope = $exclusiveScope}}
-								<a class="item label-filter-item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.QueryString}}&milestone={{$.MilestoneID}}&project={{$.ProjectID}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}" data-label-id="{{.ID}}">{{if .IsExcluded}}{{svg "octicon-circle-slash"}}{{else if .IsSelected}}{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}{{end}} {{RenderLabel .}}</a>
+								<a class="item label-filter-item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.QueryString}}&milestone={{$.MilestoneID}}&project={{$.ProjectID}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}" data-label-id="{{.ID}}">{{if .IsExcluded}}{{svg "octicon-circle-slash"}}{{else if .IsSelected}}{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}{{end}} {{RenderLabel $.Context .}}</a>
 							{{end}}
 						</div>
 					</div>
@@ -232,7 +232,7 @@
 								{{end}}
 								{{$previousExclusiveScope = $exclusiveScope}}
 								<div class="item issue-action" data-action="toggle" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/labels">
-									{{if contain $.SelLabelIDs .ID}}{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}{{end}} {{RenderLabel .}}
+									{{if contain $.SelLabelIDs .ID}}{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}{{end}} {{RenderLabel $.Context .}}
 								</div>
 							{{end}}
 						</div>
diff --git a/templates/repo/issue/milestone_issues.tmpl b/templates/repo/issue/milestone_issues.tmpl
index d73fb56fbc..2918c4359f 100644
--- a/templates/repo/issue/milestone_issues.tmpl
+++ b/templates/repo/issue/milestone_issues.tmpl
@@ -58,7 +58,7 @@
 							<span class="info">{{.locale.Tr "repo.issues.filter_label_exclude" | Safe}}</span>
 							<a class="item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{.locale.Tr "repo.issues.filter_label_no_select"}}</a>
 							{{range .Labels}}
-								<a class="item label-filter-item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.QueryString}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}" data-label-id="{{.ID}}">{{if .IsExcluded}}{{svg "octicon-circle-slash"}}{{else if contain $.SelLabelIDs .ID}}{{svg "octicon-check"}}{{end}} {{RenderLabel .}}</a>
+								<a class="item label-filter-item" href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&sort={{$.SortType}}&state={{$.State}}&labels={{.QueryString}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}" data-label-id="{{.ID}}">{{if .IsExcluded}}{{svg "octicon-circle-slash"}}{{else if contain $.SelLabelIDs .ID}}{{svg "octicon-check"}}{{end}} {{RenderLabel $.Context .}}</a>
 							{{end}}
 						</div>
 					</div>
@@ -162,7 +162,7 @@
 						<div class="menu">
 							{{range .Labels}}
 								<div class="item issue-action" data-action="toggle" data-element-id="{{.ID}}" data-url="{{$.RepoLink}}/issues/labels">
-									{{if contain $.SelLabelIDs .ID}}{{svg "octicon-check"}}{{end}} {{RenderLabel .}}
+									{{if contain $.SelLabelIDs .ID}}{{svg "octicon-check"}}{{end}} {{RenderLabel $.Context .}}
 								</div>
 							{{end}}
 						</div>
diff --git a/templates/repo/issue/new_form.tmpl b/templates/repo/issue/new_form.tmpl
index 1c95dfac3a..24c7ac7e4e 100644
--- a/templates/repo/issue/new_form.tmpl
+++ b/templates/repo/issue/new_form.tmpl
@@ -60,8 +60,8 @@
 								<div class="ui divider"></div>
 							{{end}}
 							{{$previousExclusiveScope = $exclusiveScope}}
-							<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel .}}
-							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}</a>
+							<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel $.Context .}}
+							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}</a>
 						{{end}}
 
 						<div class="ui divider"></div>
@@ -72,8 +72,8 @@
 								<div class="ui divider"></div>
 							{{end}}
 							{{$previousExclusiveScope = $exclusiveScope}}
-							<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel .}}
-							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}</a>
+							<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel $.Context .}}
+							{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}</a>
 						{{end}}
 					{{else}}
 						<div class="header" style="text-transform: none;font-size:14px;">{{.locale.Tr "repo.issues.new.no_items"}}</div>
diff --git a/templates/repo/issue/view_content/comments.tmpl b/templates/repo/issue/view_content/comments.tmpl
index 4839e8084b..9f2b7ec2d0 100644
--- a/templates/repo/issue/view_content/comments.tmpl
+++ b/templates/repo/issue/view_content/comments.tmpl
@@ -180,11 +180,11 @@
 					<span class="text grey muted-links">
 						{{template "shared/user/authorlink" .Poster}}
 						{{if and .AddedLabels (not .RemovedLabels)}}
-							{{$.locale.TrN (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels" (RenderLabels .AddedLabels $.RepoLink) $createdStr | Safe}}
+							{{$.locale.TrN (len .AddedLabels) "repo.issues.add_label" "repo.issues.add_labels" (RenderLabels $.Context .AddedLabels $.RepoLink) $createdStr | Safe}}
 						{{else if and (not .AddedLabels) .RemovedLabels}}
-							{{$.locale.TrN (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels" (RenderLabels .RemovedLabels $.RepoLink) $createdStr | Safe}}
+							{{$.locale.TrN (len .RemovedLabels) "repo.issues.remove_label" "repo.issues.remove_labels" (RenderLabels $.Context .RemovedLabels $.RepoLink) $createdStr | Safe}}
 						{{else}}
-							{{$.locale.Tr "repo.issues.add_remove_labels" (RenderLabels .AddedLabels $.RepoLink) (RenderLabels .RemovedLabels $.RepoLink) $createdStr | Safe}}
+							{{$.locale.Tr "repo.issues.add_remove_labels" (RenderLabels $.Context .AddedLabels $.RepoLink) (RenderLabels $.Context .RemovedLabels $.RepoLink) $createdStr | Safe}}
 						{{end}}
 					</span>
 				</div>
@@ -231,7 +231,7 @@
 				{{template "shared/user/avatarlink" Dict "Context" $.Context "user" .Poster}}
 				<span class="text grey muted-links">
 					{{template "shared/user/authorlink" .Poster}}
-					{{$.locale.Tr "repo.issues.change_title_at" (.OldTitle|RenderEmoji) (.NewTitle|RenderEmoji) $createdStr | Safe}}
+					{{$.locale.Tr "repo.issues.change_title_at" (.OldTitle|RenderEmoji $.Context) (.NewTitle|RenderEmoji $.Context) $createdStr | Safe}}
 				</span>
 			</div>
 		{{else if eq .Type 11}}
diff --git a/templates/repo/issue/view_content/sidebar.tmpl b/templates/repo/issue/view_content/sidebar.tmpl
index 3880e66244..29bfac7c27 100644
--- a/templates/repo/issue/view_content/sidebar.tmpl
+++ b/templates/repo/issue/view_content/sidebar.tmpl
@@ -130,8 +130,8 @@
 							<div class="ui divider"></div>
 						{{end}}
 						{{$previousExclusiveScope = $exclusiveScope}}
-						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel .}}
-						{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}</a>
+						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel $.Context .}}
+						{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}</a>
 					{{end}}
 					<div class="ui divider"></div>
 					{{$previousExclusiveScope := "_no_scope"}}
@@ -141,8 +141,8 @@
 							<div class="ui divider"></div>
 						{{end}}
 						{{$previousExclusiveScope = $exclusiveScope}}
-						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel .}}
-						{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji}}</small>{{end}}</a>
+						<a class="{{if .IsChecked}}checked{{end}} item" href="#" data-id="{{.ID}}" data-id-selector="#label_{{.ID}}" data-scope="{{$exclusiveScope}}"><span class="octicon-check {{if not .IsChecked}}invisible{{end}}">{{if $exclusiveScope}}{{svg "octicon-dot-fill"}}{{else}}{{svg "octicon-check"}}{{end}}</span>&nbsp;&nbsp;{{RenderLabel $.Context .}}
+						{{if .Description}}<br><small class="desc">{{.Description | RenderEmoji $.Context}}</small>{{end}}</a>
 					{{end}}
 				{{else}}
 					<div class="header" style="text-transform: none;font-size:14px;">{{.locale.Tr "repo.issues.new.no_items"}}</div>
@@ -487,8 +487,8 @@
 						{{range .BlockingDependencies}}
 							<div class="item dependency{{if .Issue.IsClosed}} is-closed{{end}} gt-df gt-ac gt-sb">
 								<div class="item-left gt-df gt-jc gt-fc gt-f1">
-									<a class="title tooltip" href="{{.Issue.Link}}" data-content="#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}">
-										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}
+									<a class="title tooltip" href="{{.Issue.Link}}" data-content="#{{.Issue.Index}} {{.Issue.Title | RenderEmoji $.Context}}">
+										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji $.Context}}
 									</a>
 									<div class="text small">
 										{{.Repository.OwnerName}}/{{.Repository.Name}}
@@ -514,8 +514,8 @@
 						{{range .BlockedByDependencies}}
 							<div class="item dependency{{if .Issue.IsClosed}} is-closed{{end}} gt-df gt-ac gt-sb">
 								<div class="item-left gt-df gt-jc gt-fc gt-f1">
-									<a class="title tooltip" href="{{.Issue.Link}}" data-content="#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}">
-										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji}}
+									<a class="title tooltip" href="{{.Issue.Link}}" data-content="#{{.Issue.Index}} {{.Issue.Title | RenderEmoji $.Context}}">
+										#{{.Issue.Index}} {{.Issue.Title | RenderEmoji $.Context}}
 									</a>
 									<div class="text small">
 										{{.Repository.OwnerName}}/{{.Repository.Name}}
diff --git a/templates/repo/projects/view.tmpl b/templates/repo/projects/view.tmpl
index 1450fdac1c..f6bc6e1a42 100644
--- a/templates/repo/projects/view.tmpl
+++ b/templates/repo/projects/view.tmpl
@@ -245,7 +245,7 @@
 						{{if or .Labels .Assignees}}
 						<div class="extra content labels-list gt-p-0 gt-pt-2">
 							{{range .Labels}}
-								<a target="_blank" href="{{$.RepoLink}}/issues?labels={{.ID}}">{{RenderLabel .}}</a>
+								<a target="_blank" href="{{$.RepoLink}}/issues?labels={{.ID}}">{{RenderLabel $.Context .}}</a>
 							{{end}}
 							<div class="right floated">
 								{{range .Assignees}}
diff --git a/templates/repo/settings/lfs_file_find.tmpl b/templates/repo/settings/lfs_file_find.tmpl
index d5983ca1cc..81cb649837 100644
--- a/templates/repo/settings/lfs_file_find.tmpl
+++ b/templates/repo/settings/lfs_file_find.tmpl
@@ -19,7 +19,7 @@
 							<td class="message">
 								<span class="truncate">
 									<a href="{{$.RepoLink}}/commit/{{.SHA}}" title="{{.Summary | RenderEmojiPlain}}">
-										{{.Summary | RenderEmoji}}
+										{{.Summary | RenderEmoji $.Context}}
 									</a>
 								</span>
 							</td>
diff --git a/templates/shared/issuelist.tmpl b/templates/shared/issuelist.tmpl
index a43047c79d..6f3fd0f916 100644
--- a/templates/shared/issuelist.tmpl
+++ b/templates/shared/issuelist.tmpl
@@ -34,7 +34,7 @@
 			</div>
 			<div class="issue-item-main gt-f1 gt-fc gt-df">
 				<div class="issue-item-top-row">
-					<a class="title gt-tdn issue-title" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">{{RenderEmoji .Title | RenderCodeBlock}}</a>
+					<a class="title gt-tdn issue-title" href="{{if .Link}}{{.Link}}{{else}}{{$.Link}}/{{.Index}}{{end}}">{{RenderEmoji $.Context .Title | RenderCodeBlock}}</a>
 					{{if .IsPull}}
 						{{if (index $.CommitStatuses .PullRequest.ID)}}
 							{{template "repo/commit_statuses" dict "Status" (index $.CommitLastStatus .PullRequest.ID) "Statuses" (index $.CommitStatuses .PullRequest.ID) "root" $}}
@@ -42,7 +42,7 @@
 					{{end}}
 					<span class="labels-list gt-ml-2">
 						{{range .Labels}}
-							<a href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}{{if ne $.listType "milestone"}}&milestone={{$.MilestoneID}}{{end}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{RenderLabel .}}</a>
+							<a href="{{$.Link}}?q={{$.Keyword}}&type={{$.ViewType}}&state={{$.State}}&labels={{.ID}}{{if ne $.listType "milestone"}}&milestone={{$.MilestoneID}}{{end}}&assignee={{$.AssigneeID}}&poster={{$.PosterID}}">{{RenderLabel $.Context .}}</a>
 						{{end}}
 					</span>
 				</div>
diff --git a/templates/user/dashboard/feeds.tmpl b/templates/user/dashboard/feeds.tmpl
index 75a76db570..64daf4b2e7 100644
--- a/templates/user/dashboard/feeds.tmpl
+++ b/templates/user/dashboard/feeds.tmpl
@@ -72,7 +72,7 @@
 							{{$index := index .GetIssueInfos 0}}
 							{{$.locale.Tr "action.comment_pull" ((printf "%s/pulls/%s" .GetRepoLink $index) |Escape) $index (.ShortRepoPath|Escape) | Str2html}}
 						{{else if eq .GetOpType 24}}
-							{{$linkText := .Content | RenderEmoji}}
+							{{$linkText := .Content | RenderEmoji $.Context}}
 							{{$.locale.Tr "action.publish_release" (.GetRepoLink|Escape) ((printf "%s/releases/tag/%s" .GetRepoLink .GetTag)|Escape) (.ShortRepoPath|Escape) $linkText | Str2html}}
 						{{else if eq .GetOpType 25}}
 							{{$index := index .GetIssueInfos 0}}
@@ -99,20 +99,20 @@
 							</ul>
 						</div>
 					{{else if eq .GetOpType 6}}
-						<span class="text truncate issue title">{{index .GetIssueInfos 1 | RenderEmoji | RenderCodeBlock}}</span>
+						<span class="text truncate issue title">{{index .GetIssueInfos 1 | RenderEmoji $.Context | RenderCodeBlock}}</span>
 					{{else if eq .GetOpType 7}}
-						<span class="text truncate issue title">{{index .GetIssueInfos 1 | RenderEmoji | RenderCodeBlock}}</span>
+						<span class="text truncate issue title">{{index .GetIssueInfos 1 | RenderEmoji $.Context | RenderCodeBlock}}</span>
 					{{else if or (eq .GetOpType 10) (eq .GetOpType 21) (eq .GetOpType 22) (eq .GetOpType 23)}}
-						<a href="{{.GetCommentLink}}" class="text truncate issue title">{{.GetIssueTitle | RenderEmoji | RenderCodeBlock}}</a>
+						<a href="{{.GetCommentLink}}" class="text truncate issue title">{{.GetIssueTitle | RenderEmoji $.Context | RenderCodeBlock}}</a>
 						{{$comment := index .GetIssueInfos 1}}
-						{{if gt (len $comment) 0}}<p class="text light grey">{{$comment | RenderEmoji}}</p>{{end}}
+						{{if gt (len $comment) 0}}<p class="text light grey">{{$comment | RenderEmoji $.Context}}</p>{{end}}
 					{{else if eq .GetOpType 11}}
 						<p class="text light grey">{{index .GetIssueInfos 1}}</p>
 					{{else if or (eq .GetOpType 12) (eq .GetOpType 13) (eq .GetOpType 14) (eq .GetOpType 15)}}
-						<span class="text truncate issue title">{{.GetIssueTitle | RenderEmoji | RenderCodeBlock}}</span>
+						<span class="text truncate issue title">{{.GetIssueTitle | RenderEmoji $.Context | RenderCodeBlock}}</span>
 					{{else if eq .GetOpType 25}}
 					<p class="text light grey">{{$.locale.Tr "action.review_dismissed_reason"}}</p>
-						<p class="text light grey">{{index .GetIssueInfos 2 | RenderEmoji}}</p>
+						<p class="text light grey">{{index .GetIssueInfos 2 | RenderEmoji $.Context}}</p>
 					{{end}}
 					<p class="text italic light grey">{{TimeSince .GetCreate $.locale}}</p>
 				</div>