chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

models/migrations/v1_27/v338.go

@@ -0,0 +1,73 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_27
+
+import (
+	"fmt"
+	"strings"
+
+	"gitea.dev/models/db"
+	"gitea.dev/models/migrations/base"
+
+	"xorm.io/xorm/schemas"
+)
+
+type issueWithLongTextContent struct {
+	Content string `xorm:"LONGTEXT"`
+}
+
+func (issueWithLongTextContent) TableName() string {
+	return "issue"
+}
+
+type commentWithLongTextFields struct {
+	Content     string `xorm:"LONGTEXT"`
+	PatchQuoted string `xorm:"LONGTEXT patch"`
+}
+
+func (commentWithLongTextFields) TableName() string {
+	return "comment"
+}
+
+func isMSSQLMaxTextColumn(column *schemas.Column) bool {
+	if column.Length != -1 {
+		return false
+	}
+	return strings.EqualFold(column.SQLType.Name, schemas.Varchar) || strings.EqualFold(column.SQLType.Name, schemas.NVarchar)
+}
+
+func modifyLongTextColumnsForMSSQL(x db.EngineMigration, bean any, columnNames ...string) error {
+	table, err := x.TableInfo(bean)
+	if err != nil {
+		return err
+	}
+
+	for _, columnName := range columnNames {
+		column := table.GetColumn(columnName)
+		if column == nil {
+			return fmt.Errorf("column %s does not exist in table %s", columnName, table.Name)
+		}
+		if isMSSQLMaxTextColumn(column) {
+			continue
+		}
+		if err := base.ModifyColumn(x, table.Name, column); err != nil {
+			return fmt.Errorf("modify %s.%s: %w", table.Name, columnName, err)
+		}
+	}
+
+	return nil
+}
+
+// ExpandIssueAndCommentLongTextFieldsForMSSQL expands legacy MSSQL nvarchar(4000)
+// columns to nvarchar(max) so PR push comments and long issue content are not truncated.
+func ExpandIssueAndCommentLongTextFieldsForMSSQL(x db.EngineMigration) error {
+	if x.Dialect().URI().DBType != schemas.MSSQL {
+		return nil
+	}
+
+	if err := modifyLongTextColumnsForMSSQL(x, new(issueWithLongTextContent), "content"); err != nil {
+		return err
+	}
+	return modifyLongTextColumnsForMSSQL(x, new(commentWithLongTextFields), "content", "patch")
+}