From 2d6f4db38edb46a43672e331a81112a048c6346c Mon Sep 17 00:00:00 2001
From: Solderpunk <solderpunk@posteo.net>
Date: Sun, 5 Feb 2023 15:36:18 +0100
Subject: [PATCH] Add -v flag to print version and exit.  Closes #23.

---
 main.go | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index a616351..6df0278 100644
--- a/main.go
+++ b/main.go
@@ -3,17 +3,30 @@ package main
 import (
 	"crypto/tls"
 	"flag"
+	"fmt"
 	"log"
 	"os"
 	"strconv"
 )
 
+var VERSION = "0.0.0"
+
 func main() {
 	var conf_file string
+	var version bool
 
-	// Parse args and read config
+	// Parse args
 	flag.StringVar(&conf_file, "c", "", "Path to config file")
+	flag.BoolVar(&version, "v", false, "Print version and exit")
 	flag.Parse()
+
+	// If requested, print version and exit
+	if version {
+		fmt.Println("Molly Brown version", VERSION)
+		os.Exit(0)
+	}
+
+	// Read config
 	if conf_file == "" {
 		_, err := os.Stat("/etc/molly.conf")
 		if err == nil {