From d2ad586557c523b961bb08e50c8b302b81beb1b5 Mon Sep 17 00:00:00 2001
From: Bo-Yi Wu <appleboy.tw@gmail.com>
Date: Sat, 30 Mar 2019 07:28:12 +0800
Subject: [PATCH] chore: switch finished to struct{} for zero allocate

---
 plugin.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugin.go b/plugin.go
index 9c921a9..6b20164 100644
--- a/plugin.go
+++ b/plugin.go
@@ -152,8 +152,8 @@ func (p Plugin) Exec() error {
 
 	wg := sync.WaitGroup{}
 	wg.Add(len(p.Config.Host))
-	errChannel := make(chan error, 1)
-	finished := make(chan bool, 1)
+	errChannel := make(chan error)
+	finished := make(chan struct{})
 	for _, host := range p.Config.Host {
 		if p.Config.Sync {
 			p.exec(host, &wg, errChannel)