From 115b90ffc125eacf014efb050261c37aba53baba Mon Sep 17 00:00:00 2001
From: Willy Goiffon <dev@z3bra.org>
Date: Tue, 7 Jul 2020 10:14:19 +0200
Subject: [PATCH] Close logfile when main() terminates

---
 matterbridge.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/matterbridge.go b/matterbridge.go
index 7b04182d..145ce68c 100644
--- a/matterbridge.go
+++ b/matterbridge.go
@@ -51,6 +51,14 @@ func main() {
 	cfg := config.NewConfig(rootLogger, *flagConfig)
 	cfg.BridgeValues().General.Debug = *flagDebug
 
+	// if logging to a file, ensure it is closed when the program terminates
+	defer func() {
+		if f, ok := rootLogger.Out.(*os.File); ok {
+			f.Sync()
+			f.Close()
+		}
+	}()
+
 	r, err := gateway.NewRouter(rootLogger, cfg, bridgemap.FullMap)
 	if err != nil {
 		logger.Fatalf("Starting gateway failed: %s", err)