Merge pull request #768 from nevir/rake-requires

Rake task now supports `requires` and `options`

CHANGELOG.md

@@ -6,6 +6,7 @@
 
 * [#714](https://github.com/bbatsov/rubocop/issues/714): New cop `RequireParentheses` checks for method calls without parentheses together with a boolean operator indicating that a mistake about precedence may have been made. ([@jonas054][])
 * [#743](https://github.com/bbatsov/rubocop/issues/743): `WordArray` cop does auto-correction. ([@jonas054][])
+* [#768](https://github.com/bbatsov/rubocop/issues/768): Rake task now supports `requires` and `options`. ([@nevir][])
 
 ### Changes
 

lib/rubocop/rake_task.rb

@@ -3,8 +3,6 @@
 require 'rake'
 require 'rake/tasklib'
 
-require 'rubocop/options'
-
 module Rubocop
   # Provides a custom rake task.
   #
@@ -16,6 +14,8 @@ class RakeTask < Rake::TaskLib
     attr_accessor :fail_on_error
     attr_accessor :patterns
     attr_accessor :formatters
+    attr_accessor :requires
+    attr_accessor :options
 
     def initialize(*args, &task_block)
       setup_ivars(args)
@@ -39,17 +39,31 @@ def run_task(verbose)
 
       cli = CLI.new
       puts 'Running RuboCop...' if verbose
-      result = cli.run([formatters.map { |f| ['-f', f] }, patterns])
+      result = cli.run(full_options)
       abort('RuboCop failed!') if fail_on_error unless result == 0
     end
 
     private
 
+    def full_options
+      [].tap do |options|
+        options.concat(formatters.map { |f| ['--format', f] }.flatten)
+        options.concat(requires.map { |r| ['--require', r] }.flatten)
+        options.concat(options)
+        options.concat(patterns)
+      end
+    end
+
     def setup_ivars(args)
+      # More lazy-loading to keep load time down.
+      require 'rubocop/options'
+
       @name = args.shift || :rubocop
       @verbose = true
       @fail_on_error = true
       @patterns = []
+      @requires = []
+      @options = []
       @formatters = [Rubocop::Options::DEFAULT_FORMATTER]
     end
   end