From d9829277de3e7dea8b19e1e94af11aa2ade45dfb Mon Sep 17 00:00:00 2001
From: xucong053 <xucong053@outlook.com>
Date: Tue, 5 Jul 2022 20:15:42 +0800
Subject: [PATCH] fix: reuse plugin instance if it already initialized

---
 hrp/plugin.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hrp/plugin.go b/hrp/plugin.go
index a2343358..9ab2017e 100644
--- a/hrp/plugin.go
+++ b/hrp/plugin.go
@@ -27,6 +27,8 @@ const (
 
 const projectInfoFile = "proj.json" // used for ensuring root project
 
+var pluginMap = map[string]funplugin.IPlugin{} // used for reusing plugin instance
+
 func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err error) {
 	// plugin file not found
 	if path == "" {
@@ -37,6 +39,11 @@ func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err er
 		return nil, nil
 	}
 
+	// reuse plugin instance if it already initialized
+	if p, ok := pluginMap[pluginPath]; ok {
+		return p, nil
+	}
+
 	pluginOptions := []funplugin.Option{funplugin.WithLogOn(logOn)}
 
 	if strings.HasSuffix(pluginPath, ".py") {
@@ -69,6 +76,9 @@ func initPlugin(path, venv string, logOn bool) (plugin funplugin.IPlugin, err er
 		return
 	}
 
+	// add plugin instance to plugin map
+	pluginMap[pluginPath] = plugin
+
 	// catch Interrupt and SIGTERM signals to ensure plugin quitted
 	c := make(chan os.Signal)
 	signal.Notify(c, os.Interrupt, syscall.SIGTERM)