Add RuboCop

.rubocop.yml

@@ -0,0 +1,69 @@
+AllCops:
+  Includes:
+    - 'Gemfile'
+
+# Avoid long parameter lists
+ParameterLists:
+  Max: 3
+  CountKeywordArgs: true
+
+# Avoid more than `Max` levels of nesting.
+BlockNesting:
+  Max: 3
+
+# Align with the style guide.
+CollectionMethods:
+  PreferredMethods:
+    collect:  'map'
+    inject:   'reduce'
+    find:     'detect'
+    find_all: 'select'
+
+# Do not force public/protected/private keyword to be indented at the same
+# level as the def keyword. My personal preference is to outdent these keywords
+# because I think when scanning code it makes it easier to identify the
+# sections of code and visually separate them. When the keyword is at the same
+# level I think it sort of blends in with the def keywords and makes it harder
+# to scan the code and see where the sections are.
+AccessModifierIndentation:
+  Enabled: false
+
+# Limit line length
+LineLength:
+  Enabled: false
+
+# Disable documentation checking until a class needs to be documented once
+Documentation:
+  Enabled: false
+
+# Enforce Ruby 1.8-compatible hash syntax
+HashSyntax:
+  EnforcedStyle: hash_rockets
+
+# No spaces inside hash literals
+SpaceInsideHashLiteralBraces:
+  EnforcedStyle: no_space
+
+# Allow dots at the end of lines
+DotPosition:
+  Enabled: false
+
+# Don't require magic comment at the top of every file
+Encoding:
+  Enabled: false
+
+# Don't prefer sprintf to String#%
+FavorSprintf:
+  Enabled: false
+
+# Trailing whitespace is required to test output
+TrailingWhitespace:
+  Enabled: false
+
+# Thor makes it hard to write short classes
+ClassLength:
+  Enabled: false
+
+# Thor makes it hard to write short methods
+MethodLength:
+  Enabled: false

CONTRIBUTING.md

@@ -37,7 +37,7 @@ Ideally, a bug report should include a pull request with failing specs.
 3. Add specs for your unimplemented feature or bug fix.
 4. Run `bundle exec rake spec`. If your specs pass, return to step 3.
 5. Implement your feature or bug fix.
-6. Run `bundle exec rake spec`. If your specs fail, return to step 5.
+6. Run `bundle exec rake default`. If your specs fail, return to step 5.
 7. Run `open coverage/index.html`. If your changes are not completely covered
    by your tests, return to step 3.
 8. Add, commit, and push your changes.

Gemfile

@@ -6,12 +6,17 @@ gem 'jruby-openssl', :platforms => :jruby
 group :development do
   gem 'guard-rspec'
   gem 'pry'
-  gem 'pry-debugger', :platforms => :mri_19
+  gem 'pry-rescue'
+  platforms :ruby_19, :ruby_20 do
+    gem 'pry-debugger'
+    gem 'pry-stack_explorer'
+  end
 end
 
 group :test do
   gem 'coveralls', :require => false
   gem 'rspec', '>= 2.14'
+  gem 'rubocop', '>= 0.15', :platforms => [:ruby_19, :ruby_20]
   gem 'simplecov', :require => false
   gem 'timecop'
   gem 'webmock', '>= 1.10.1'

Rakefile

@@ -4,8 +4,18 @@ Bundler::GemHelper.install_tasks
 require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 
+begin
+  require 'rubocop/rake_task'
+  Rubocop::RakeTask.new
+rescue LoadError
+  desc 'Run RuboCop'
+  task :rubocop do
+    $stderr.puts 'Rubocop is disabled'
+  end
+end
+
 Dir.glob('tasks/*.rake').each { |r| import r }
 
 task :release => 'completion:zsh'
 task :test => :spec
-task :default => :spec
+task :default => [:spec, :rubocop]

bin/t

@@ -2,7 +2,7 @@
 
 # Trap interrupts to quit cleanly. See
 # https://twitter.com/mitchellh/status/283014103189053442
-Signal.trap("INT") { exit 1 }
+Signal.trap('INT') { exit 1 }
 
 require 'oauth'
 require 't'
@@ -11,37 +11,37 @@ require 'twitter'
 # Output message to $stderr, prefixed with the program name
 def pute(*args)
   first = args.shift.dup
-  first.insert(0, "#{$0}: ")
+  first.insert(0, "#{$PROGRAM_NAME}: ")
   args.unshift(first)
   $stderr.puts(*args)
 end
 
 begin
   T::CLI.start(ARGV)
 rescue Interrupt
-  pute "Quitting..."
+  pute 'Quitting...'
   exit 1
 rescue OAuth::Unauthorized
-  pute "Authorization failed"
+  pute 'Authorization failed'
   exit 1
 rescue Twitter::Error::TooManyRequests => error
   pute error.message,
-    "The rate limit for this request will reset in #{error.rate_limit.reset_in} seconds.",
-    "While you wait, consider making a polite request for Twitter to increase the API rate limit at https://dev.twitter.com/discussions/10644"
+       "The rate limit for this request will reset in #{error.rate_limit.reset_in} seconds.",
+       'While you wait, consider making a polite request for Twitter to increase the API rate limit at https://dev.twitter.com/discussions/10644'
   exit 1
 rescue Twitter::Error::BadRequest => error
   pute error.message,
-    "Run `t authorize` to authorize."
+       'Run `t authorize` to authorize.'
   exit 1
 rescue Twitter::Error::Forbidden, Twitter::Error::Unauthorized => error
   pute error.message
-  if error.message == "Error processing your OAuth request: Read-only application cannot POST" ||
-    error.message == "This application is not allowed to access or delete your direct messages"
+  if error.message == 'Error processing your OAuth request: Read-only application cannot POST' ||
+    error.message == 'This application is not allowed to access or delete your direct messages'
     $stderr.puts(%q(Make sure to set your Twitter application's Access Level to "Read, Write and Access direct messages".))
     require 'thor'
-    Thor::Shell::Basic.new.ask "Press [Enter] to open the Twitter Developer site."
+    Thor::Shell::Basic.new.ask 'Press [Enter] to open the Twitter Developer site.'
     require 'launchy'
-    Launchy.open("https://dev.twitter.com/apps") { |u,o,e| $stderr.puts "Manually open #{u}" }
+    Launchy.open('https://dev.twitter.com/apps') { |u, o, e| $stderr.puts "Manually open #{u}" }
   end
   exit 1
 rescue Twitter::Error => error

lib/t.rb

@@ -3,7 +3,6 @@
 
 module T
   class << self
-
     # Convert time to local time by applying the `utc_offset` setting.
     def local_time(time)
       utc_offset ? (time.dup.utc + utc_offset) : time.localtime
@@ -15,14 +14,13 @@ def local_time(time)
 
     def utc_offset=(offset)
       @utc_offset = case offset
-      when String
-        Time.zone_offset(offset)
-      when NilClass
-        nil
-      else
-        offset.to_i
-      end
+                    when String
+                      Time.zone_offset(offset)
+                    when NilClass
+                      nil
+                    else
+                      offset.to_i
+                    end
     end
-
   end
 end