From c1a4e30bbd7c215ef330910d0a151cd58853472b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Mierzwa?= <l.mierzwa@gmail.com>
Date: Fri, 26 Jan 2018 18:21:40 -0800
Subject: [PATCH] Add --version flag

This is useful to get the version from the compiled binary without the need to run it
---
 main.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/main.go b/main.go
index 2effd3671..f788eab83 100644
--- a/main.go
+++ b/main.go
@@ -12,6 +12,7 @@ import (
 	"github.com/cloudflare/unsee/internal/config"
 	"github.com/cloudflare/unsee/internal/models"
 	"github.com/cloudflare/unsee/internal/transform"
+	"github.com/spf13/pflag"
 
 	"github.com/DeanThompson/ginpprof"
 	"github.com/gin-contrib/gzip"
@@ -109,6 +110,13 @@ func setupLogger() {
 }
 
 func main() {
+	printVersion := pflag.Bool("version", false, "Print version and exit")
+	pflag.Parse()
+	if *printVersion {
+		fmt.Println(version)
+		return
+	}
+
 	config.Config.Read()
 	setupLogger()