From 73cafb2ed3d798f4325a7eef5f3c5cf9868fa61f Mon Sep 17 00:00:00 2001
From: Alex Kir <alex@wall-dev.org>
Date: Fri, 7 Sep 2018 15:42:59 +0800
Subject: [PATCH] Fixes reinstall after uninstall with SC

Fix for https://github.com/kardianos/service/issues/125
---
 service_windows.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/service_windows.go b/service_windows.go
index 95ccaed..8d87032 100644
--- a/service_windows.go
+++ b/service_windows.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/signal"
 	"strconv"
+	"strings"
 	"sync"
 	"time"
 
@@ -216,8 +217,10 @@ func (ws *windowsService) Install() error {
 	defer s.Close()
 	err = eventlog.InstallAsEventCreate(ws.Name, eventlog.Error|eventlog.Warning|eventlog.Info)
 	if err != nil {
-		s.Delete()
-		return fmt.Errorf("InstallAsEventCreate() failed: %s", err)
+		if !strings.Contains(err.Error(), "exists") {
+			s.Delete()
+			return fmt.Errorf("SetupEventLogSource() failed: %s", err)
+		}
 	}
 	return nil
 }