GitHub Action CI: Add Go source file format check (#6090)

https://github.com/XTLS/Xray-core/pull/6057#issuecomment-4364819830

And https://github.com/XTLS/Xray-core/pull/6149#issuecomment-4546876261

proxy/wireguard/bind.go

@@ -134,7 +134,6 @@ func (bind *netBindClient) connectTo(endpoint *netEndpoint) error {
 		for {
 			buff := buf.NewWithSize(device.MaxMessageSize)
 			n, err := buff.ReadFrom(c)
-
 			if err != nil {
 				buff.Release()
 				endpoint.conn = nil

proxy/wireguard/server.go

@@ -162,7 +162,6 @@ func (s *Server) forwardConnection(dest net.Destination, conn net.Conn) {
 		Reader: buf.NewReader(conn),
 		Writer: buf.NewWriter(conn),
 	})
-
 	if err != nil {
 		errors.LogInfoInner(ctx, err, "connection ends")
 	}

proxy/wireguard/server_test.go

@@ -2,10 +2,11 @@ package wireguard_test
 
 import (
 	"context"
-	"github.com/stretchr/testify/assert"
 	"runtime/debug"
 	"testing"
 
+	"github.com/stretchr/testify/assert"
+
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/proxy/wireguard"
 )

proxy/wireguard/tun.go

@@ -156,7 +156,7 @@ func createGVisorTun(localAddresses []netip.Addr, mtu int, handler promiscuousMo
 		tcpForwarder := tcp.NewForwarder(gstack, 0, 65535, func(r *tcp.ForwarderRequest) {
 			go func(r *tcp.ForwarderRequest) {
 				var wq waiter.Queue
-				var id = r.ID()
+				id := r.ID()
 
 				ep, err := r.CreateEndpoint(&wq)
 				if err != nil {