From 570d7a27d55a5aa8dfe67e2e43fbd541256e5dbf Mon Sep 17 00:00:00 2001
From: Ola Bini <ola@autonomia.digital>
Date: Wed, 29 Apr 2020 21:05:12 +0000
Subject: [PATCH] Display version information if the version flag is given

---
 config/command_line.go | 2 ++
 main.go                | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/config/command_line.go b/config/command_line.go
index 579c8e6d..8bc78f62 100644
--- a/config/command_line.go
+++ b/config/command_line.go
@@ -28,6 +28,8 @@ var (
 	Trace = flag.Bool("trace", false, "start Wahay in tracing mode")
 	// DebugFunctionCalls contains the command line argument given for debugging
 	DebugFunctionCalls = flag.Bool("debug-function-calls", false, "trace function calls in logging")
+	// Version contains the command line argument given for version
+	Version = flag.Bool("version", false, "display version information and exit")
 )
 
 // ProcessCommandLineArguments will parse the command line, check that
diff --git a/main.go b/main.go
index 262a1946..3b2a31ab 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+
 	"github.com/coyim/gotk3adapter/gdka"
 	"github.com/coyim/gotk3adapter/gliba"
 	"github.com/coyim/gotk3adapter/gtka"
@@ -35,6 +37,11 @@ func initializeLogging() {
 func main() {
 	config.ProcessCommandLineArguments()
 
+	if *config.Version {
+		fmt.Printf("Wahay (commit: %s (%s) tag: %s built: %s)\n", BuildShortCommit, BuildCommit, BuildTag, BuildTimestamp)
+		return
+	}
+
 	initializeLogging()
 
 	runClient()