chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

modules/ssh/ssh_graceful.go

@@ -0,0 +1,34 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package ssh
+
+import (
+	"gitea.dev/modules/graceful"
+	"gitea.dev/modules/log"
+	"gitea.dev/modules/setting"
+
+	"github.com/gliderlabs/ssh"
+)
+
+func listen(server *ssh.Server) {
+	gracefulServer := graceful.NewServer("tcp", server.Addr, "SSH")
+	gracefulServer.PerWriteTimeout = setting.SSH.PerWriteTimeout
+	gracefulServer.PerWritePerKbTimeout = setting.SSH.PerWritePerKbTimeout
+
+	err := gracefulServer.ListenAndServe(server.Serve, setting.SSH.UseProxyProtocol)
+	if err != nil {
+		select {
+		case <-graceful.GetManager().IsShutdown():
+			log.Error("Failed to start SSH server: %v", err)
+		default:
+			log.Fatal("Failed to start SSH server: %v", err)
+		}
+	}
+	log.Info("SSH Listener: %s Closed", server.Addr)
+}
+
+// builtinUnused informs our cleanup routine that we will not be using a ssh port
+func builtinUnused() {
+	graceful.GetManager().InformCleanup()
+}