Add "--version" option.

bin/stackup

@@ -4,8 +4,9 @@ $LOAD_PATH << File.expand_path("../../lib", __FILE__)
 
 require "clamp"
 require "console_logger"
-require "stackup"
 require "multi_json"
+require "stackup"
+require "stackup/version"
 require "yaml"
 
 Clamp do
@@ -19,6 +20,11 @@ Clamp do
 
   option "--debug", :flag, "enable debugging"
 
+  option ["--version"], :flag, "display version" do
+    puts "stackup v#{Stackup::VERSION}"
+    exit 0
+  end
+
   parameter "NAME", "Name of stack", :attribute_name => :stack_name
 
   def run(arguments)

lib/stackup/version.rb

@@ -0,0 +1,5 @@
+module Stackup
+
+  VERSION = "0.5.0"
+
+end

stackup.gemspec

@@ -1,10 +1,12 @@
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
+require "stackup/version"
+
 Gem::Specification.new do |spec|
 
   spec.name          = "stackup"
-  spec.version       = "0.4.0"
+  spec.version       = Stackup::VERSION
   spec.authors       = ["Mike Williams", "Arvind Kunday"]
   spec.email         = ["[email protected]", "[email protected]"]
   spec.summary       = "Manage CloudFormation stacks"