add -v flag to spin and kick off integration testing

.gitignore

@@ -1,2 +1,3 @@
 *.gem
 docs/
+spec/tmp

Rakefile

@@ -1 +1,5 @@
 require 'bundler/gem_tasks'
+
+task :default do
+  sh "rspec spec/"
+end

bin/spin

@@ -339,6 +339,10 @@ options = OptionParser.new do |opts|
 
   opts.separator "General Options:"
   opts.on('-e', 'Stub to keep kicker happy')
+  opts.on('-v', '--version', 'Show Version') do
+    require 'spin/version'
+    puts Spin::VERSION; exit
+  end
   opts.on('-h', '--help') do
     $stderr.puts opts
     exit 1

lib/spin/version.rb

@@ -0,0 +1,3 @@
+module Spin
+  VERSION = "0.5.3"
+end

spec/integration_spec.rb

@@ -0,0 +1,16 @@
+describe "Spin" do
+  def root
+    File.expand_path '../..', __FILE__
+  end
+
+  def spin(command, options={})
+    command = "ruby -I #{root}/lib #{root}/bin/spin #{command} 2>&1"
+    result = `#{command}`
+    raise "FAILED #{command}\n#{result}" if $?.success? == !!options[:fail]
+    result
+  end
+
+  it "can show current version" do
+    spin("--version").should =~ /^\d+\.\d+\.\d+/
+  end
+end

spin.gemspec

@@ -1,11 +1,12 @@
-Gem::Specification.new do |s|
-  s.name        = "spin"
-  s.version     = '0.5.3'
+$LOAD_PATH.unshift File.expand_path("../lib", __FILE__)
+require "spin/version"
+
+Gem::Specification.new "spin", Spin::VERSION do |s|
   s.authors     = ["Jesse Storimer"]
   s.email       = ["jstorimer@gmail.com"]
   s.homepage    = "http://jstorimer.github.com/spin"
   s.summary     = %q{Spin preloads your Rails environment to speed up your autotest(ish) workflow.}
-  s.description = %q{Spin preloads your Rails environment to speed up your autotest(ish) workflow.
+  s.description = %Q{#{s.summary}
 
 By preloading your Rails environment for testing you don't load the same code over and over and over... Spin works best for an autotest(ish) workflow.}