Update guide

.github/workflows/gitea-build.yml

@@ -76,6 +76,8 @@ jobs:
         run: |
           make clean
           cp -v ../net_anon.go modules/graceful/net_anon.go
+          cp -v ../net_anon_unix.go modules/graceful/net_anon.go
+          cp -v ../net_anon_windows.go modules/graceful/net_anon.go
           go mod tidy
           make build
         env:

net_anon_unix.go

@@ -0,0 +1,23 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+// This code is heavily inspired by the archived gofacebook/gracenet/net.go handler
+
+//go:build !windows
+
+package graceful
+
+import (
+	"fmt"
+	"net"
+)
+
+func GetListenerUnix(network string, addr net.Addr) (net.Listener, error) {
+	switch addr.(type) {
+	case *net.UnixAddr:
+		return net.ListenUnix(network, addr.(*net.UnixAddr))
+	default:
+		return nil, fmt.Errorf("unknown address type %T", addr)
+	}
+
+}

net_anon_windows.go

@@ -0,0 +1,14 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+// This code is heavily inspired by the archived gofacebook/gracenet/net.go handler
+
+//go:build windows
+
+package graceful
+
+import "net"
+
+func GetListenerUnix(network string, addr net.Addr) (net.Listener, error) {
+	return nil, nil
+}