Update guard config to use OSX notifications

Gemfile

@@ -13,7 +13,8 @@ end
 
 group :development, :test do
   gem 'rspec', :require => false
-  gem 'guard-rspec', require: false
+  gem 'guard-rspec', :require => false
+  gem 'terminal-notifier-guard', :require => false
 
   platforms :mri do
     gem 'pry', :require => false

Guardfile

-# A sample Guardfile
-# More info at https://github.com/guard/guard#readme
-
-guard :rspec do
-  watch(%r{^spec/.+_spec\.rb$})
-  watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
-  watch('spec/spec_helper.rb')  { "spec" }
-
-  # Rails example
-  watch(%r{^app/(.+)\.rb$})                           { |m| "spec/#{m[1]}_spec.rb" }
-  watch(%r{^app/(.*)(\.erb|\.haml|\.slim)$})          { |m| "spec/#{m[1]}#{m[2]}_spec.rb" }
-  watch(%r{^app/controllers/(.+)_(controller)\.rb$})  { |m| ["spec/routing/#{m[1]}_routing_spec.rb", "spec/#{m[2]}s/#{m[1]}_#{m[2]}_spec.rb", "spec/acceptance/#{m[1]}_spec.rb"] }
-  watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
-  watch('config/routes.rb')                           { "spec/routing" }
-  watch('app/controllers/application_controller.rb')  { "spec/controllers" }
-
-  # Capybara features specs
-  watch(%r{^app/views/(.+)/.*\.(erb|haml|slim)$})     { |m| "spec/features/#{m[1]}_spec.rb" }
-
-  # Turnip features and steps
-  watch(%r{^spec/acceptance/(.+)\.feature$})
-  watch(%r{^spec/acceptance/steps/(.+)_steps\.rb$})   { |m| Dir[File.join("**/#{m[1]}.feature")][0] || 'spec/acceptance' }
-end
 
 
-guard :rspec do
+# Note: The cmd option is now required due to the increasing number of ways
+#       rspec may be run, below are examples of the most common uses.
+#  * bundler: 'bundle exec rspec'
+#  * bundler binstubs: 'bin/rspec'
+#  * spring: 'bin/rsspec' (This will use spring if running and you have
+#                          installed the spring binstubs per the docs)
+#  * zeus: 'zeus rspec' (requires the server to be started separetly)
+#  * 'just' rspec: 'rspec'
+guard :rspec, cmd: 'bundle exec rspec' do
   watch(%r{^spec/.+_spec\.rb$})
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/lib/#{m[1]}_spec.rb" }
   watch('spec/spec_helper.rb')  { "spec" }
@@ -35,6 +20,7 @@ guard :rspec do
   watch(%r{^spec/support/(.+)\.rb$})                  { "spec" }
   watch('config/routes.rb')                           { "spec/routing" }
   watch('app/controllers/application_controller.rb')  { "spec/controllers" }
+  watch('spec/rails_helper.rb')                       { "spec" }
 
   # Capybara features specs
   watch(%r{^app/views/(.+)/.*\.(erb|haml|slim)$})     { |m| "spec/features/#{m[1]}_spec.rb" }