From 50e4dbb75a14332e681bf32236fb6f9ed87c232a Mon Sep 17 00:00:00 2001
From: Martin/Geno <geno+dev@fireorbit.de>
Date: Thu, 1 Feb 2018 16:14:16 +0100
Subject: [PATCH] [TASK] show version (if available) (#123)

---
 circle.yml     |  2 +-
 cmd/version.go | 25 +++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 cmd/version.go

diff --git a/circle.yml b/circle.yml
index 8bed18b..f915c43 100644
--- a/circle.yml
+++ b/circle.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
       - checkout
       - run: go get -t -d -v ./...
-      - run: go install github.com/FreifunkBremen/yanic
+      - run: go install -ldflags "-X github.com/FreifunkBremen/yanic/cmd.VERSION=`git -C $GOPATH/src/github.com/FreifunkBremen/yanic rev-parse HEAD`" github.com/FreifunkBremen/yanic
       - store_artifacts:
           path: /go/bin/
           destination: yanic
diff --git a/cmd/version.go b/cmd/version.go
new file mode 100644
index 0000000..3c8683d
--- /dev/null
+++ b/cmd/version.go
@@ -0,0 +1,25 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var VERSION string
+
+// versionCMD to print version
+var versionCMD = &cobra.Command{
+	Use:   "version",
+	Short: "print version of yanic",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		fmt.Printf("yanic version: %s\n", VERSION)
+	},
+}
+
+func init() {
+	if VERSION != "" {
+		RootCmd.AddCommand(versionCMD)
+	}
+}