chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/system/setting_test.go

@@ -0,0 +1,51 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package system_test
+
+import (
+	"testing"
+
+	"gitea.dev/models/db"
+	"gitea.dev/models/system"
+	"gitea.dev/models/unittest"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSettings(t *testing.T) {
+	keyName := "test.key"
+	assert.NoError(t, unittest.PrepareTestDatabase())
+
+	assert.NoError(t, db.TruncateBeans(t.Context(), &system.Setting{}))
+
+	rev, settings, err := system.GetAllSettings(t.Context())
+	assert.NoError(t, err)
+	assert.Equal(t, 1, rev)
+	assert.Len(t, settings, 1) // there is only one "revision" key
+
+	err = system.SetSettings(t.Context(), map[string]string{keyName: "true"})
+	assert.NoError(t, err)
+	rev, settings, err = system.GetAllSettings(t.Context())
+	assert.NoError(t, err)
+	assert.Equal(t, 2, rev)
+	assert.Len(t, settings, 2)
+	assert.Equal(t, "true", settings[keyName])
+
+	err = system.SetSettings(t.Context(), map[string]string{keyName: "false"})
+	assert.NoError(t, err)
+	rev, settings, err = system.GetAllSettings(t.Context())
+	assert.NoError(t, err)
+	assert.Equal(t, 3, rev)
+	assert.Len(t, settings, 2)
+	assert.Equal(t, "false", settings[keyName])
+
+	// setting the same value should not trigger DuplicateKey error, and the "version" should be increased
+	err = system.SetSettings(t.Context(), map[string]string{keyName: "false"})
+	assert.NoError(t, err)
+
+	rev, settings, err = system.GetAllSettings(t.Context())
+	assert.NoError(t, err)
+	assert.Len(t, settings, 2)
+	assert.Equal(t, 4, rev)
+}