chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

routers/api/v1/user/helper.go

@@ -0,0 +1,34 @@
+// Copyright 2021 The Gitea Authors.
+// SPDX-License-Identifier: MIT
+
+package user
+
+import (
+	user_model "gitea.dev/models/user"
+	"gitea.dev/services/context"
+)
+
+// GetUserByPathParam get user by the path param name
+// it will redirect to the user's new name if the user's name has been changed
+func GetUserByPathParam(ctx *context.APIContext, name string) *user_model.User {
+	username := ctx.PathParam(name)
+	user, err := user_model.GetUserByName(ctx, username)
+	if err != nil {
+		if user_model.IsErrUserNotExist(err) {
+			if redirectUserID, err2 := user_model.LookupUserRedirect(ctx, username); err2 == nil {
+				context.RedirectToUser(ctx.Base, ctx.Doer, username, redirectUserID)
+			} else {
+				ctx.APIErrorNotFound()
+			}
+		} else {
+			ctx.APIErrorInternal(err)
+		}
+		return nil
+	}
+	return user
+}
+
+// GetContextUserByPathParam returns user whose name is presented in URL (path param "username").
+func GetContextUserByPathParam(ctx *context.APIContext) *user_model.User {
+	return GetUserByPathParam(ctx, "username")
+}