From 9fd3f752d1d5140b6aa31a5539a094e0b61dc166 Mon Sep 17 00:00:00 2001
From: zeromake <a390720046@gmail.com>
Date: Fri, 29 Oct 2021 09:56:51 +0800
Subject: [PATCH] fix(goctl): repeat creation protoc-gen-goctl symlink (#1162)

---
 tools/goctl/goctl.go | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/goctl/goctl.go b/tools/goctl/goctl.go
index b6a1a041..f98c6587 100644
--- a/tools/goctl/goctl.go
+++ b/tools/goctl/goctl.go
@@ -5,7 +5,6 @@ import (
 	"os"
 	"path/filepath"
 	"runtime"
-	"syscall"
 
 	"github.com/logrusorgru/aurora"
 	"github.com/tal-tech/go-zero/core/load"
@@ -686,11 +685,12 @@ func linkProtocGenGoctl() error {
 	if len(ext) > 0 {
 		target = target + ext
 	}
-
-	err = syscall.Unlink(target)
+	_, err = os.Lstat(target)
 	if err != nil && !os.IsNotExist(err) {
 		return err
 	}
-
-	return os.Symlink(path, target)
+	if os.IsNotExist(err) {
+		return os.Symlink(path, target)
+	}
+	return nil
 }