Set up guard

Gemfile

@@ -11,6 +11,7 @@ end
 
 group :test do
   gem 'coveralls', :require => false
+  gem 'guard-rspec'
   gem 'json', '~> 1.7', :platforms => [:ruby_18, :jruby]
   gem 'rspec', '>= 2.11'
   gem 'simplecov', :require => false

Guardfile

@@ -0,0 +1,18 @@
+# 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" }
+
+  notification :tmux,
+    :display_message => true,
+    :timeout => 5, # in seconds
+    :default_message_format => '%s // %s',
+    # the first %s will show the title, the second the message
+    # Alternately you can also configure *success_message_format*,
+    # *pending_message_format*, *failed_message_format*
+    :line_separator => ' > ', # since we are single line we need a separator
+    :color_location => 'status-left-fg' # to customize which tmux element will change color
+end
+