From 15568153c98d2ac9a5b7fb554d1fceb610215261 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Tue, 4 Jan 2022 09:45:02 +0100
Subject: [PATCH] src/main.go: Add --help|-h flag to getopt

---
 src/main.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/main.go b/src/main.go
index 72d59de..5a0ce16 100644
--- a/src/main.go
+++ b/src/main.go
@@ -111,16 +111,23 @@ func signalEventLoop() {
 func main() {
 
 	var version bool
+    var usage bool
 	var addr string;
 
 	logger = log.New()
 
 	// Command line parsing
+    getopt.FlagLong(&usage, "help", 'h', "Print this help text")
 	getopt.FlagLong(&version, "version", 'v', "Print version")
 	getopt.FlagLong(&logFile, "log", 'l', "Path to log file", "file")
 	getopt.FlagLong(&pidFile, "pid", 'p', "Path to pid file", "file")
 	getopt.Parse()
 
+    if usage {
+        getopt.Usage()
+        return
+    }
+
 	if version {
 		print("Version: v1.1\n")
 		return;