Install Guard

Gemfile

@@ -23,6 +23,8 @@ end
 
 group :development, :test do
   gem 'guard-spring'
+  gem 'guard-bundler'
+  gem 'guard-migrate'
   gem 'rspec-rails'
   gem 'factory_girl_rails'
 end

Guardfile

@@ -0,0 +1,18 @@
+guard 'bundler' do
+  watch('Gemfile')
+end
+
+guard 'migrate' do
+  watch(%r{^db/migrate/(\d+).+\.rb})
+  watch('db/seeds.rb')
+end
+
+guard 'spring', :rspec_cli => '--color' do
+  watch(%r{^spec/.+_spec\.rb$})
+  watch(%r{^spec/spec_helper\.rb$})                   { |m| 'spec' }
+  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
+  watch(%r{^lib/(.+)\.rb$})                           { |m| "spec/lib/#{m[1]}_spec.rb" }
+  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  do |m|
+    %W(spec/routing/#{m[1]}_routing_spec.rb spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb spec/requests/#{m[1]}_spec.rb)
+  end
+end