From 219288c98477e392242e5dcca300d20062b3c670 Mon Sep 17 00:00:00 2001
From: Mike Crute <mike@crute.us>
Date: Sat, 7 Dec 2019 13:36:14 -0800
Subject: Set version at build time

---
 Makefile | 2 +-
 main.go  | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index d629150..7a77930 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ IMAGE="docker.crute.me/websocket-proxy"
 VERSION="0.1.0"
 
 websocket-proxy: main.go sockets.go server.go client.go
-	CGO_ENABLED=0 go build -o $@ $^
+	CGO_ENABLED=0 go build -ldflags "-X main.version=$(VERSION)" -o $@ $^
 
 .PHONY: docker
 docker: websocket-proxy
diff --git a/main.go b/main.go
index 75555e6..ec4170b 100644
--- a/main.go
+++ b/main.go
@@ -11,9 +11,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
+var version string
+
 var rootCmd = &cobra.Command{
 	Use:     "websocket-proxy",
-	Version: "0.1.0",
+	Version: version,
 	Short:   "Proxy TCP connections over a websocket",
 }
 
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