# encoding: utf-8 require 'rake' require 'rake/tasklib' module RuboCop # Provides a custom rake task. # # require 'rubocop/rake_task' # RuboCop::RakeTask.new class RakeTask < Rake::TaskLib attr_accessor :name attr_accessor :verbose 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) desc 'Run RuboCop' unless ::Rake.application.last_comment task(name, *args) do |_, task_args| RakeFileUtils.send(:verbose, verbose) do if task_block task_block.call(*[self, task_args].slice(0, task_block.arity)) end run_main_task(verbose) end end setup_subtasks(name) end def run_main_task(verbose) run_cli(verbose, full_options) end private def run_cli(verbose, options) # We lazy-load rubocop so that the task doesn't dramatically impact the # load time of your Rakefile. require 'rubocop' cli = CLI.new puts 'Running RuboCop...' if verbose result = cli.run(options) abort('RuboCop failed!') if fail_on_error unless result == 0 end def full_options [].tap do |result| result.concat(formatters.map { |f| ['--format', f] }.flatten) result.concat(requires.map { |r| ['--require', r] }.flatten) result.concat(options) result.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 def setup_subtasks(name) namespace name do desc 'Auto-correct RuboCop offenses' task :auto_correct do options = full_options.unshift('--auto-correct') run_cli(verbose, options) end end end end end