chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/git/languagestats/language_stats_test.go

@@ -0,0 +1,46 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+//go:build !gogit
+
+package languagestats
+
+import (
+	"testing"
+
+	"gitea.dev/modules/git"
+	"gitea.dev/modules/setting"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRepository_GetLanguageStats(t *testing.T) {
+	setting.AppDataPath = t.TempDir()
+	repoPath := "../tests/repos/language_stats_repo"
+	gitRepo, err := git.OpenRepository(t.Context(), repoPath)
+	require.NoError(t, err)
+	defer gitRepo.Close()
+
+	stats, err := GetLanguageStats(gitRepo, "8fee858da5796dfb37704761701bb8e800ad9ef3")
+	require.NoError(t, err)
+
+	assert.Equal(t, map[string]int64{
+		"Python": 134,
+		"Java":   112,
+	}, stats)
+}
+
+func TestMergeLanguageStats(t *testing.T) {
+	assert.Equal(t, map[string]int64{
+		"PHP":    1,
+		"python": 10,
+		"JAVA":   700,
+	}, mergeLanguageStats(map[string]int64{
+		"PHP":    1,
+		"python": 10,
+		"Java":   100,
+		"java":   200,
+		"JAVA":   400,
+	}))
+}