Expose version

main.go

@@ -9,9 +9,12 @@ import (
 	kingpin "gopkg.in/alecthomas/kingpin.v2"
 )
 
+var Version string
+
 func main() {
 	logger := log.New(os.Stdout, "", 0)
 	app := kingpin.New("pivy", "PivNets little helper")
+	app.Version(Version)
 	commands.Configure(logger, app)
 	kingpin.MustParse(app.Parse(os.Args[1:]))
 }