From dfa828468be3f063345fbad8963a7c0e99dd626d Mon Sep 17 00:00:00 2001
From: Liam Galvin <liam@liam-galvin.co.uk>
Date: Sat, 24 Nov 2018 19:43:22 +0000
Subject: [PATCH] releasing

---
 .circleci/config.yml |  9 ---------
 Makefile             |  6 ++----
 config.go            | 15 +++++++++++++++
 3 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/.circleci/config.yml b/.circleci/config.yml
index a08c8c3..6462c9c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -13,7 +13,6 @@ jobs:
       - run: make test
   build-linux:
     docker:
-      # specify the version
       - image: liamg/golang-opengl
     working_directory: /go/src/github.com/liamg/aminal
     requires:
@@ -22,25 +21,18 @@ jobs:
       - checkout
       - run: make build-linux
       - persist_to_workspace:
-          # Must be an absolute path, or relative path from working_directory. This is a directory on the container which is 
-          # taken to be the root directory of the workspace.
           root: .
-          # Must be relative path from root
           paths:
             - bin/linux
   build-darwin:
     docker:
-      # specify the version
       - image: karalabe/xgo-latest:latest
     working_directory: /go/src/github.com/liamg/aminal
     steps:
       - checkout
       - run: make build-darwin
       - persist_to_workspace:
-          # Must be an absolute path, or relative path from working_directory. This is a directory on the container which is 
-          # taken to be the root directory of the workspace.
           root: .
-          # Must be relative path from root
           paths:
             - bin/darwin
   release:
@@ -48,7 +40,6 @@ jobs:
       - image: circleci/golang:latest
     steps:
       - attach_workspace:
-          # Must be absolute path or relative path from working_directory
           at: ./workspace
       - run:
           name: "Publish Release on GitHub"
diff --git a/Makefile b/Makefile
index 67ec9dd..d844153 100644
--- a/Makefile
+++ b/Makefile
@@ -31,11 +31,9 @@ update-fonts: install-tools
 .PHONY:	build-linux
 build-linux:
 	mkdir -p bin/linux
-	GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -o bin/${BINARY}-linux-amd64
+	GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build -o bin/${BINARY}-linux-amd64 -ldflags "-X main.Version=`${CIRCLE_TAG}`
 
 .PHONY:	build-darwin
 build-darwin:
 	mkdir -p bin/darwin
-	xgo --targets=darwin/amd64 --dest=bin/darwin -out ${BINARY}-darwin-amd64 .
-
-
+	xgo -ldflags "-X main.Version=`${CIRCLE_TAG}` --targets=darwin/amd64 --dest=bin/darwin -out ${BINARY}-darwin-amd64 .
diff --git a/config.go b/config.go
index 07d4346..004cb1e 100644
--- a/config.go
+++ b/config.go
@@ -9,7 +9,13 @@ import (
 	"github.com/liamg/aminal/config"
 )
 
+var Version string
+
 func getConfig() *config.Config {
+
+	showVersion := false
+	flag.BoolVar(&showVersion, "version", showVersion, "Output version information")
+
 	ignore := false
 	flag.BoolVar(&ignore, "ignore-config", ignore, "Ignore user config files and use defauls")
 	if ignore {
@@ -23,6 +29,15 @@ func getConfig() *config.Config {
 	flag.BoolVar(&conf.Slomo, "slomo", conf.Slomo, "Render in slow motion (useful for debugging)")
 
 	flag.Parse()
+
+	if showVersion {
+		if Version == "" {
+			Version = "development"
+		}
+		fmt.Printf("Aminal %s\n", Version)
+		os.Exit(0)
+	}
+
 	return conf
 }