Added command to display current version of homesick.

Rakefile

@@ -1,5 +1,6 @@
 require 'rubygems'
 require 'bundler'
+require_relative 'lib/homesick/version'
 begin
   Bundler.setup(:default, :development)
 rescue Bundler::BundlerError => e
@@ -23,7 +24,7 @@ Jeweler::Tasks.new do |gem|
   gem.email = ["josh@technicalpickles.com", "info@muratayusuke.com"]
   gem.homepage = "http://github.com/technicalpickles/homesick"
   gem.authors = ["Joshua Nichols", "Yusuke Murata"]
-  gem.version = "0.9.7"
+  gem.version = Homesick::Version::STRING
   gem.license = "MIT"
   # Have dependencies? Add them to Gemfile
 

lib/homesick.rb

@@ -4,9 +4,11 @@ require 'thor'
 class Homesick < Thor
   autoload :Shell, 'homesick/shell'
   autoload :Actions, 'homesick/actions'
+  autoload :Version, 'homesick/version'
 
   include Thor::Actions
   include Homesick::Actions
+  include Homesick::Version
 
   add_runtime_options!
 
@@ -15,6 +17,9 @@ class Homesick < Thor
 
   DEFAULT_CASTLE_NAME = 'dotfiles'
 
+  map '-v' => :version
+  map '--version' => :version
+
   def initialize(args = [], options = {}, config = {})
     super
     self.shell = Homesick::Shell.new
@@ -264,6 +269,11 @@ class Homesick < Thor
     end
   end
 
+  desc 'version', 'Display the current version of homesick'
+  def version
+    say Homesick::Version::STRING
+  end
+
   protected
 
   def home_dir

lib/homesick/version.rb

@@ -0,0 +1,10 @@
+# -*- encoding : utf-8 -*-
+class Homesick
+  module Version
+    MAJOR = 0
+    MINOR = 9
+    PATCH = 8
+
+    STRING = "#{MAJOR}.#{MINOR}.#{PATCH}"
+  end
+end

spec/homesick_spec.rb

@@ -565,4 +565,11 @@ describe 'homesick' do
       expect { homesick.open "castle_repo" }.to raise_error(SystemExit)
     end
   end
+
+  describe 'version' do
+    it 'should print the current version of homesick' do
+      text = Capture.stdout { homesick.version }
+      text.chomp.should =~ /\d+\.\d+\.\d+/
+    end
+  end
 end