From 1540482c127b1e8e11296e9de91c17142d0c56f7 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Tue, 4 Jan 2022 09:30:59 +0100
Subject: [PATCH] src/cmd/main.go: add --help|-h and --version|-v cli flags.

---
 src/cmd/main.go | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/cmd/main.go b/src/cmd/main.go
index 3d0a5f1..cb7c5a6 100644
--- a/src/cmd/main.go
+++ b/src/cmd/main.go
@@ -69,10 +69,26 @@ func argv_listen_addr() string {
 
 func main() {
 
-	logger = log.New()
+    var printVersion bool;
+    var printUsage bool;
+
+    getopt.FlagLong(&printUsage, "help", 'h', "Print this help text")
+    getopt.FlagLong(&printVersion, "version", 'v', "Print version")
 
 	getopt.Parse()
 
+    if printUsage {
+        getopt.Usage()
+        return
+    }
+
+    if printVersion {
+        print("Version: v0.1.0\n")
+        return
+    }
+
+    logger = log.New()
+
 	addr := argv_listen_addr()
 	server := tcp_server.New(argv_listen_addr())