Adds Rubocop Setup and fixes

Rakefile

@@ -4,11 +4,16 @@ Bundler.require(:development)
 require 'bundler/gem_tasks'
 require 'rspec/core/rake_task'
 require 'cucumber/rake/task'
+require 'rubocop/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
 Cucumber::Rake::Task.new(:features) do |t|
   t.cucumber_opts = %w(--format pretty --order random)
 end
 
-task :default => [:spec, :features]
+RuboCop::RakeTask.new(:rubocop) do |t|
+  t.options = ['--display-cop-names']
+end
+
+task default: [:spec, :features]

bin/tugboat

@@ -3,8 +3,8 @@
 # https://github.com/mitchellh/vagrant/blob/8cc4910fa9ca6059697459d0cdee1557af8d0507/bin/vagrant#L3-L6
 # Catch any ctrl+c's to avoid stack traces. Thanks Mitchell. ^^
 
-Signal.trap("INT") { exit 1 }
+Signal.trap('INT') { exit 1 }
 
-require "tugboat"
+require 'tugboat'
 
 Tugboat::CLI.start(ARGV)

features/step_definitions/steps.rb

@@ -1,6 +1,6 @@
 require 'erb'
 
-Given(/^a '\.tugboat' config with data:$/) do |data_str|
+Given(%r{^a '\.tugboat' config with data:$}) do |data_str|
   data = ERB.new(data_str).result(binding)
   File.write("#{Dir.pwd}/tmp/aruba/.tugboat", data)
 end

features/support/env.rb

@@ -8,16 +8,20 @@
 VCR.configure do |c|
   c.hook_into :webmock
   c.cassette_library_dir     = 'features/cassettes'
-  c.default_cassette_options = { :record => :new_episodes }
+  c.default_cassette_options = { record: :new_episodes }
 end
 
 VCR.cucumber_tags do |t|
-  t.tag  '@vcr', :use_scenario_name => true
+  t.tag '@vcr', use_scenario_name: true
 end
 
 class VcrFriendlyMain
   def initialize(argv, stdin, stdout, stderr, kernel)
-    @argv, @stdin, @stdout, @stderr, @kernel = argv, stdin, stdout, stderr, kernel
+    @argv = argv
+    @stdin = stdin
+    @stdout = stdout
+    @stderr = stderr
+    @kernel = kernel
   end
 
   def execute!

lib/tugboat.rb

@@ -1,6 +1,6 @@
 require 'tugboat/cli'
-require "tugboat/config"
-require "tugboat/version"
+require 'tugboat/config'
+require 'tugboat/version'
 require 'json'
 
 module Tugboat