Fix material icon & diff highlight (#33844)

Author: wxiaoguang

modules/fileicon/material.go

@@ -18,13 +18,9 @@ import (
 )
 
 type materialIconRulesData struct {
-	IconDefinitions map[string]*struct {
-		IconPath string `json:"iconPath"`
-	} `json:"iconDefinitions"`
 	FileNames      map[string]string `json:"fileNames"`
 	FolderNames    map[string]string `json:"folderNames"`
 	FileExtensions map[string]string `json:"fileExtensions"`
-	LanguageIDs    map[string]string `json:"languageIds"`
 }
 
 type MaterialIconProvider struct {
@@ -36,6 +32,7 @@ type MaterialIconProvider struct {
 var materialIconProvider MaterialIconProvider
 
 func DefaultMaterialIconProvider() *MaterialIconProvider {
+	materialIconProvider.once.Do(materialIconProvider.loadData)
 	return &materialIconProvider
 }
 
@@ -88,8 +85,6 @@ func (m *MaterialIconProvider) renderFileIconSVG(ctx reqctx.RequestContext, name
 }
 
 func (m *MaterialIconProvider) FileIcon(ctx reqctx.RequestContext, entry *git.TreeEntry) template.HTML {
-	m.once.Do(m.loadData)
-
 	if m.rules == nil {
 		return BasicThemeIcon(entry)
 	}
@@ -101,7 +96,7 @@ func (m *MaterialIconProvider) FileIcon(ctx reqctx.RequestContext, entry *git.Tr
 		return svg.RenderHTML("octicon-file-symlink-file") // TODO: find some better icons for them
 	}
 
-	name := m.findIconName(entry)
+	name := m.findIconNameByGit(entry)
 	if name == "folder" {
 		// the material icon pack's "folder" icon doesn't look good, so use our built-in one
 		return svg.RenderHTML("material-folder-generic")
@@ -112,34 +107,23 @@ func (m *MaterialIconProvider) FileIcon(ctx reqctx.RequestContext, entry *git.Tr
 	return svg.RenderHTML("octicon-file")
 }
 
-func (m *MaterialIconProvider) findIconName(entry *git.TreeEntry) string {
-	if entry.IsSubModule() {
-		return "folder-git"
-	}
-
+func (m *MaterialIconProvider) FindIconName(name string, isDir bool) string {
 	iconsData := m.rules
-	fileName := path.Base(entry.Name())
-
-	if entry.IsDir() {
-		if s, ok := iconsData.FolderNames[fileName]; ok {
-			return s
-		}
-		if s, ok := iconsData.FolderNames[strings.ToLower(fileName)]; ok {
+	fileNameLower := strings.ToLower(path.Base(name))
+	if isDir {
+		if s, ok := iconsData.FolderNames[fileNameLower]; ok {
 			return s
 		}
 		return "folder"
 	}
 
-	if s, ok := iconsData.FileNames[fileName]; ok {
-		return s
-	}
-	if s, ok := iconsData.FileNames[strings.ToLower(fileName)]; ok {
+	if s, ok := iconsData.FileNames[fileNameLower]; ok {
 		return s
 	}
 
-	for i := len(fileName) - 1; i >= 0; i-- {
-		if fileName[i] == '.' {
-			ext := fileName[i+1:]
+	for i := len(fileNameLower) - 1; i >= 0; i-- {
+		if fileNameLower[i] == '.' {
+			ext := fileNameLower[i+1:]
 			if s, ok := iconsData.FileExtensions[ext]; ok {
 				return s
 			}
@@ -148,3 +132,10 @@ func (m *MaterialIconProvider) findIconName(entry *git.TreeEntry) string {
 
 	return "file"
 }
+
+func (m *MaterialIconProvider) findIconNameByGit(entry *git.TreeEntry) string {
+	if entry.IsSubModule() {
+		return "folder-git"
+	}
+	return m.FindIconName(entry.Name(), entry.IsDir())
+}

modules/fileicon/material_test.go

@@ -0,0 +1,24 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package fileicon_test
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	"code.gitea.io/gitea/modules/fileicon"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMain(m *testing.M) {
+	unittest.MainTest(m, &unittest.TestOptions{FixtureFiles: []string{}})
+}
+
+func TestFindIconName(t *testing.T) {
+	unittest.PrepareTestEnv(t)
+	p := fileicon.DefaultMaterialIconProvider()
+	assert.Equal(t, "php", p.FindIconName("foo.php", false))
+	assert.Equal(t, "php", p.FindIconName("foo.PHP", false))
+}

modules/git/commit_info_nogogit.go

@@ -65,7 +65,7 @@ func (tes Entries) GetCommitsInfo(ctx context.Context, commit *Commit, treePath
 			log.Debug("missing commit for %s", entry.Name())
 		}
 
-		// If the entry if a submodule add a submodule file for this
+		// If the entry is a submodule add a submodule file for this
 		if entry.IsSubModule() {
 			subModuleURL := ""
 			var fullPath string
@@ -85,8 +85,8 @@ func (tes Entries) GetCommitsInfo(ctx context.Context, commit *Commit, treePath
 	}
 
 	// Retrieve the commit for the treePath itself (see above). We basically
-	// get it for free during the tree traversal and it's used for listing
-	// pages to display information about newest commit for a given path.
+	// get it for free during the tree traversal, and it's used for listing
+	// pages to display information about the newest commit for a given path.
 	var treeCommit *Commit
 	var ok bool
 	if treePath == "" {