fix RuboCop offenses

Guardfile

@@ -1,13 +1,13 @@
 group :specs, halt_on_fail: true do
   guard :rspec, cmd: 'bundle exec rspec', failed_mode: :keep, all_on_start: true do
     watch(%r{spec/.+_spec.rb})
-    watch(%r{lib/(.+)\.rb})    { |m| "spec/lib/#{m[1]}_spec.rb" }
+    watch(%r{lib/(.+)\.rb}) { |m| "spec/lib/#{m[1]}_spec.rb" }
     watch('spec/spec_helper.rb') { 'spec' }
     watch('lib/guard/livereload/templates/Guardfile') { 'spec/lib/guard/livereload/template_spec.rb' }
   end
 
   guard :rubocop, all_on_start: false, cli: '--rails' do
-    watch(%r{.+\.rb$}) { |m| m[0] }
+    watch(/.+\.rb$/) { |m| m[0] }
     watch(%r{(?:.+/)?\.rubocop\.yml$}) { |m| File.dirname(m[0]) }
     watch(%r{(?:.+/)?\.rubocop_todo\.yml$}) { |m| File.dirname(m[0]) }
   end

Rakefile

@@ -1,9 +1,9 @@
-require "bundler/gem_tasks"
+require 'bundler/gem_tasks'
 
-require "rspec/core/rake_task"
+require 'rspec/core/rake_task'
 
 def ci?
-  ENV["CI"] == "true"
+  ENV['CI'] == 'true'
 end
 
 RSpec::Core::RakeTask.new(:spec) do |t|
@@ -13,7 +13,7 @@ end
 default_tasks = [:spec]
 
 unless ci?
-  require "rubocop/rake_task"
+  require 'rubocop/rake_task'
   RuboCop::RakeTask.new(:rubocop)
   default_tasks << :rubocop
 end

guard-livereload.gemspec

@@ -13,7 +13,7 @@ Gem::Specification.new do |s|
   s.homepage     = 'https://rubygems.org/gems/guard-livereload'
   s.license      = 'MIT'
 
-  s.files        = `git ls-files`.split($/)
+  s.files        = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   s.test_files   = s.files.grep(%r{^spec/})
   s.require_path = 'lib'
 

lib/guard/livereload/reactor.rb

@@ -73,8 +73,8 @@ def _connect(ws)
         )
         @web_sockets << ws
       rescue
-        Compat::UI.error $!
-        Compat::UI.error $!.backtrace
+        Compat::UI.error $ERROR_INFO
+        Compat::UI.error $ERROR_INFO.backtrace
       end
 
       def _disconnect(ws)

lib/guard/livereload/version.rb

@@ -1,5 +1,5 @@
 module Guard
   module LiveReloadVersion
-    VERSION = '2.5.1'
+    VERSION = '2.5.1'.freeze
   end
 end

lib/guard/livereload/websocket.rb

@@ -25,7 +25,7 @@ def dispatch(data)
             path = payload
             stream_file_data(path).callback { close_connection_after_writing }
           else
-            fail "Unknown response type: #{type.inspect}"
+            raise "Unknown response type: #{type.inspect}"
           end
         end
       end

spec/lib/guard/livereload/reactor_spec.rb

@@ -1,5 +1,5 @@
 RSpec.describe Guard::LiveReload::Reactor do
-  let(:paths) { %w[stylesheets/layout.css stylesheets/style.css] }
+  let(:paths) { %w(stylesheets/layout.css stylesheets/style.css) }
 
   before do
     allow(Guard::Compat::UI).to receive(:info)
@@ -10,8 +10,8 @@
 
   describe '#reload_browser(paths = [])' do
     it 'displays a message' do
-      expect(Guard::Compat::UI).to receive(:info).
-        with('Reloading browser: stylesheets/layout.css stylesheets/style.css')
+      expect(Guard::Compat::UI).to receive(:info)
+        .with('Reloading browser: stylesheets/layout.css stylesheets/style.css')
       new_live_reactor.reload_browser(paths)
     end
 
@@ -21,8 +21,8 @@
     end
 
     it 'optionally pushes notification' do
-      expect(Guard::Compat::UI).to receive(:notify).
-        with(kind_of(String), have_key(:title))
+      expect(Guard::Compat::UI).to receive(:notify)
+        .with(kind_of(String), have_key(:title))
       new_live_reactor(notify: true).reload_browser(paths)
     end
 
@@ -63,7 +63,6 @@
       end.to change { reactor.connections_count }.from(0).to 1
     end
   end
-
 end
 
 def new_live_reactor(options = {})

spec/lib/guard/livereload/snippet_spec.rb

@@ -10,11 +10,11 @@
 
   before do
     allow(File).to receive(:expand_path) do |*args|
-      fail "stub called for File.expand_path(#{args.map(&:inspect) * ','})"
+      raise "stub called for File.expand_path(#{args.map(&:inspect) * ','})"
     end
 
     allow(IO).to receive(:read) do |*args|
-      fail "stub called for IO.read(#{args.map(&:inspect) * ','})"
+      raise "stub called for IO.read(#{args.map(&:inspect) * ','})"
     end
 
     allow(IO).to receive(:read).with(template).and_return(contents)

spec/lib/guard/livereload_spec.rb

@@ -9,12 +9,12 @@
 
   before do
     allow(File).to receive(:expand_path) do |*args|
-      fail "stub called for File.expand_path(#{args.map(&:inspect) * ','})"
+      raise "stub called for File.expand_path(#{args.map(&:inspect) * ','})"
     end
 
-    allow(File).to receive(:expand_path).
-      with('../../../js/livereload.js.erb', anything).
-      and_return('/foo/js/livereload.js.erb')
+    allow(File).to receive(:expand_path)
+      .with('../../../js/livereload.js.erb', anything)
+      .and_return('/foo/js/livereload.js.erb')
 
     allow(Guard::LiveReload::Snippet).to receive(:new).and_return(snippet)
 
@@ -93,8 +93,8 @@
         end
 
         it 'evalutes the default snippet' do
-          expect(Guard::LiveReload::Snippet).to receive(:new).
-            with('/foo/js/livereload.js.erb', anything).and_return(snippet)
+          expect(Guard::LiveReload::Snippet).to receive(:new)
+            .with('/foo/js/livereload.js.erb', anything).and_return(snippet)
           subject
         end
       end
@@ -107,8 +107,8 @@
         end
 
         it 'evalutes the provided snippet' do
-          expect(Guard::LiveReload::Snippet).to receive(:new).
-            with('foo/bar.js.erb', anything).and_return(snippet)
+          expect(Guard::LiveReload::Snippet).to receive(:new)
+            .with('foo/bar.js.erb', anything).and_return(snippet)
           subject
         end
       end

spec/spec_helper.rb

@@ -5,7 +5,6 @@
 require 'guard/livereload'
 
 RSpec.configure do |config|
-
   def ci?
     ENV['CI'] == 'true'
   end