Don’t exclude some file in lib from rubocop

.rubocop.yml

@@ -22,13 +22,6 @@ AllCops:
     - 'db/fixtures/**/*'
     - 'tmp/**/*'
     - 'bin/**/*'
-    - 'lib/backup/**/*'
-    - 'lib/ci/backup/**/*'
-    - 'lib/tasks/**/*'
-    - 'lib/ci/migrate/**/*'
-    - 'lib/email_validator.rb'
-    - 'lib/gitlab/upgrader.rb'
-    - 'lib/gitlab/seeder.rb'
     - 'generator_templates/**/*'
 
 # Style #######################################################################
@@ -208,6 +201,9 @@ Style/FrozenStringLiteralComment:
 # Do not introduce global variables.
 Style/GlobalVars:
   Enabled: true
+  Exclude:
+    - 'lib/backup/**/*'
+    - 'lib/tasks/**/*'
 
 # Prefer Ruby 1.9 hash syntax `{ a: 1, b: 2 }`
 # over 1.8 syntax `{ :a => 1, :b => 2 }`.
@@ -780,6 +776,11 @@ Rails/HasAndBelongsToMany:
 # Checks for calls to puts, print, etc.
 Rails/Output:
   Enabled: true
+  Exclude:
+    - lib/gitlab/seeder.rb
+    - lib/gitlab/upgrader.rb
+    - 'lib/backup/**/*'
+    - 'lib/tasks/**/*'
 
 # Checks for incorrect grammar when using methods like `3.day.ago`.
 Rails/PluralizationGrammar:
@@ -971,3 +972,9 @@ Style/ConditionalAssignment:
 
 Style/DoubleNegation:
   Enabled: false
+
+Rails/Exit:
+  Enabled: true
+  Exclude:
+    - lib/gitlab/upgrader.rb
+    - 'lib/backup/**/*'

lib/backup/database.rb

@@ -5,7 +5,7 @@ module Backup
     attr_reader :config, :db_file_name
 
     def initialize
-      @config = YAML.load_file(File.join(Rails.root,'config','database.yml'))[Rails.env]
+      @config = YAML.load_file(File.join(Rails.root, 'config', 'database.yml'))[Rails.env]
       @db_file_name = File.join(Gitlab.config.backup.path, 'db', 'database.sql.gz')
     end
 
@@ -13,10 +13,11 @@ module Backup
       FileUtils.mkdir_p(File.dirname(db_file_name))
       FileUtils.rm_f(db_file_name)
       compress_rd, compress_wr = IO.pipe
-      compress_pid = spawn(*%W(gzip -1 -c), in: compress_rd, out: [db_file_name, 'w', 0600])
+      compress_pid = spawn(*%w(gzip -1 -c), in: compress_rd, out: [db_file_name, 'w', 0600])
       compress_rd.close
 
-      dump_pid = case config["adapter"]
+      dump_pid =
+        case config["adapter"]
         when /^mysql/ then
           $progress.print "Dumping MySQL database #{config['database']} ... "
           # Workaround warnings from MySQL 5.6 about passwords on cmd line
@@ -34,7 +35,10 @@ module Backup
         end
       compress_wr.close
 
-      success = [compress_pid, dump_pid].all? { |pid| Process.waitpid(pid); $?.success? }
+      success = [compress_pid, dump_pid].all? do |pid|
+        Process.waitpid(pid)
+        $?.success?
+      end
 
       report_success(success)
       abort 'Backup failed' unless success
@@ -42,10 +46,11 @@ module Backup
 
     def restore
       decompress_rd, decompress_wr = IO.pipe
-      decompress_pid = spawn(*%W(gzip -cd), out: decompress_wr, in: db_file_name)
+      decompress_pid = spawn(*%w(gzip -cd), out: decompress_wr, in: db_file_name)
       decompress_wr.close
 
-      restore_pid = case config["adapter"]
+      restore_pid =
+        case config["adapter"]
         when /^mysql/ then
           $progress.print "Restoring MySQL database #{config['database']} ... "
           # Workaround warnings from MySQL 5.6 about passwords on cmd line
@@ -58,7 +63,10 @@ module Backup
         end
       decompress_rd.close
 
-      success = [decompress_pid, restore_pid].all? { |pid| Process.waitpid(pid); $?.success? }
+      success = [decompress_pid, restore_pid].all? do |pid|
+        Process.waitpid(pid)
+        $?.success?
+      end
 
       report_success(success)
       abort 'Restore failed' unless success

lib/backup/files.rb

@@ -26,10 +26,10 @@ module Backup
           abort 'Backup failed'
         end
 
-        run_pipeline!([%W(tar -C #{@backup_files_dir} -cf - .), %W(gzip -c -1)], out: [backup_tarball, 'w', 0600])
+        run_pipeline!([%W(tar -C #{@backup_files_dir} -cf - .), %w(gzip -c -1)], out: [backup_tarball, 'w', 0600])
         FileUtils.rm_rf(@backup_files_dir)
       else
-        run_pipeline!([%W(tar -C #{app_files_dir} -cf - .), %W(gzip -c -1)], out: [backup_tarball, 'w', 0600])
+        run_pipeline!([%W(tar -C #{app_files_dir} -cf - .), %w(gzip -c -1)], out: [backup_tarball, 'w', 0600])
       end
     end
 
@@ -37,7 +37,7 @@ module Backup
       backup_existing_files_dir
       create_files_dir
 
-      run_pipeline!([%W(gzip -cd), %W(tar -C #{app_files_dir} -xf -)], in: backup_tarball)
+      run_pipeline!([%w(gzip -cd), %W(tar -C #{app_files_dir} -xf -)], in: backup_tarball)
     end
 
     def backup_existing_files_dir
@@ -47,7 +47,7 @@ module Backup
       end
     end
 
-    def run_pipeline!(cmd_list, options={})
+    def run_pipeline!(cmd_list, options = {})
       status_list = Open3.pipeline(*cmd_list, options)
       abort 'Backup failed' unless status_list.compact.all?(&:success?)
     end

lib/backup/manager.rb

 module Backup
   class Manager
-    ARCHIVES_TO_BACKUP = %w[uploads builds artifacts pages lfs registry]
-    FOLDERS_TO_BACKUP = %w[repositories db]
-    FILE_NAME_SUFFIX = '_gitlab_backup.tar'
+    ARCHIVES_TO_BACKUP = %w[uploads builds artifacts pages lfs registry].freeze
+    FOLDERS_TO_BACKUP = %w[repositories db].freeze
+    FILE_NAME_SUFFIX = '_gitlab_backup.tar'.freeze
 
     def pack
       # Make sure there is a connection
@@ -20,13 +20,13 @@ module Backup
       Dir.chdir(Gitlab.config.backup.path) do
         File.open("#{Gitlab.config.backup.path}/backup_information.yml",
                   "w+") do |file|
-          file << s.to_yaml.gsub(/^---\n/,'')
+          file << s.to_yaml.gsub(/^---\n/, '')
         end
 
         # create archive
         $progress.print "Creating backup archive: #{tar_file} ... "
         # Set file permissions on open to prevent chmod races.
-        tar_system_options = {out: [tar_file, 'w', Gitlab.config.backup.archive_permissions]}
+        tar_system_options = { out: [tar_file, 'w', Gitlab.config.backup.archive_permissions] }
         if Kernel.system('tar', '-cf', '-', *backup_contents, tar_system_options)
           $progress.puts "done".color(:green)
         else
@@ -123,10 +123,10 @@ module Backup
         exit 1
       end
 
-      if ENV['BACKUP'].present?
-        tar_file = "#{ENV['BACKUP']}#{FILE_NAME_SUFFIX}"
+      tar_file = if ENV['BACKUP'].present?
+                   "#{ENV['BACKUP']}#{FILE_NAME_SUFFIX}"
                  else
-        tar_file = file_list.first
+                   file_list.first
                  end
 
       unless File.exist?(tar_file)
@@ -158,7 +158,7 @@ module Backup
     end
 
     def tar_version
-      tar_version, _ = Gitlab::Popen.popen(%W(tar --version))
+      tar_version, _ = Gitlab::Popen.popen(%w(tar --version))
       tar_version.force_encoding('locale').split("\n").first
     end
 

lib/backup/repository.rb

@@ -2,7 +2,7 @@ require 'yaml'
 
 module Backup
   class Repository
-
+    # rubocop:disable Metrics/AbcSize
     def dump
       prepare
 
@@ -85,10 +85,10 @@ module Backup
 
         project.ensure_dir_exist
 
-        if File.exists?(path_to_project_bundle)
-          cmd = %W(#{Gitlab.config.git.bin_path} clone --bare #{path_to_project_bundle} #{path_to_project_repo})
+        cmd = if File.exist?(path_to_project_bundle)
+                %W(#{Gitlab.config.git.bin_path} clone --bare #{path_to_project_bundle} #{path_to_project_repo})
               else
-          cmd = %W(#{Gitlab.config.git.bin_path} init --bare #{path_to_project_repo})
+                %W(#{Gitlab.config.git.bin_path} init --bare #{path_to_project_repo})
               end
 
         output, status = Gitlab::Popen.popen(cmd)
@@ -150,6 +150,7 @@ module Backup
         puts output
       end
     end
+    # rubocop:enable Metrics/AbcSize
 
     protected
 
@@ -193,7 +194,7 @@ module Backup
     end
 
     def silent
-      {err: '/dev/null', out: '/dev/null'}
+      { err: '/dev/null', out: '/dev/null' }
     end
 
     private

lib/backup/uploads.rb

@@ -2,7 +2,6 @@ require 'backup/files'
 
 module Backup
   class Uploads < Files
-
     def initialize
       super('uploads', Rails.root.join('public/uploads'))
     end

lib/gitlab/seeder.rb

@@ -18,7 +18,7 @@ def Notify.deliver_later
   self
 end
       eos
-      eval(code)
+      eval(code) # rubocop:disable Lint/Eval
     end
   end
 end

lib/gitlab/upgrader.rb

@@ -46,7 +46,7 @@ module Gitlab
       git_tags = fetch_git_tags
       git_tags = git_tags.select { |version| version =~ /v\d+\.\d+\.\d+-ee\Z/ }
       git_versions = git_tags.map { |tag| Gitlab::VersionInfo.parse(tag.match(/v\d+\.\d+\.\d+-ee/).to_s) }
-      "v#{git_versions.sort.last.to_s}"
+      "v#{git_versions.sort.last}"
     end
 
     def fetch_git_tags
@@ -59,10 +59,10 @@ module Gitlab
         "Stash changed files" => %W(#{Gitlab.config.git.bin_path} stash),
         "Get latest code" => %W(#{Gitlab.config.git.bin_path} fetch),
         "Switch to new version" => %W(#{Gitlab.config.git.bin_path} checkout v#{latest_version}-ee),
-        "Install gems" => %W(bundle),
-        "Migrate DB" => %W(bundle exec rake db:migrate),
-        "Recompile assets" => %W(bundle exec rake yarn:install gitlab:assets:clean gitlab:assets:compile),
-        "Clear cache" => %W(bundle exec rake cache:clear)
+        "Install gems" => %w(bundle),
+        "Migrate DB" => %w(bundle exec rake db:migrate),
+        "Recompile assets" => %w(bundle exec rake yarn:install gitlab:assets:clean gitlab:assets:compile),
+        "Clear cache" => %w(bundle exec rake cache:clear)
       }
     end
 

lib/tasks/brakeman.rake

@@ -2,7 +2,7 @@ desc 'Security check via brakeman'
 task :brakeman do
   # We get 0 warnings at level 'w3' but we would like to reach 'w2'. Merge
   # requests are welcome!
-  if system(*%W(brakeman --no-progress --skip-files lib/backup/repository.rb -w3 -z))
+  if system(*%w(brakeman --no-progress --skip-files lib/backup/repository.rb -w3 -z))
     puts 'Security check succeed'
   else
     puts 'Security check failed'

lib/tasks/cache.rake

 namespace :cache do
   namespace :clear do
     REDIS_CLEAR_BATCH_SIZE = 1000 # There seems to be no speedup when pushing beyond 1,000
-    REDIS_SCAN_START_STOP = '0' # Magic value, see http://redis.io/commands/scan
+    REDIS_SCAN_START_STOP = '0'.freeze # Magic value, see http://redis.io/commands/scan
 
     desc "GitLab | Clear redis cache"
     task redis: :environment do

lib/tasks/dev.rake

@@ -2,7 +2,7 @@ task dev: ["dev:setup"]
 
 namespace :dev do
   desc "GitLab | Setup developer environment (db, fixtures)"
-  task :setup => :environment do
+  task setup: :environment do
     ENV['force'] = 'yes'
     Rake::Task["gitlab:setup"].invoke
     Rake::Task["gitlab:shell:setup"].invoke

lib/tasks/downtime_check.rake

 desc 'Checks if migrations in a branch require downtime'
 task downtime_check: :environment do
-  if defined?(Gitlab::License)
-    repo = 'gitlab-ee'
+  repo = if defined?(Gitlab::License)
+           'gitlab-ee'
          else
-    repo = 'gitlab-ce'
+           'gitlab-ce'
          end
 
   `git fetch https://gitlab.com/gitlab-org/#{repo}.git --depth 1`

lib/tasks/flay.rake

 desc 'Code duplication analyze via flay'
 task :flay do
-  output = %x(bundle exec flay --mass 35 app/ lib/gitlab/)
+  output = `bundle exec flay --mass 35 app/ lib/gitlab/`
 
   if output.include? "Similar code found"
     puts output

lib/tasks/gemojione.rake

@@ -81,9 +81,9 @@ namespace :gemojione do
 
       # SpriteFactory's SCSS is a bit too verbose for our purposes here, so
       # let's simplify it
-      system(%Q(sed -i '' "s/width: #{SIZE}px; height: #{SIZE}px; background: image-url('emoji.png')/background-position:/" #{style_path}))
-      system(%Q(sed -i '' "s/ no-repeat//" #{style_path}))
-      system(%Q(sed -i '' "s/ 0px/ 0/" #{style_path}))
+      system(%(sed -i '' "s/width: #{SIZE}px; height: #{SIZE}px; background: image-url('emoji.png')/background-position:/" #{style_path}))
+      system(%(sed -i '' "s/ no-repeat//" #{style_path}))
+      system(%(sed -i '' "s/ 0px/ 0/" #{style_path}))
 
       # Append a generic rule that applies to all Emojis
       File.open(style_path, 'a') do |f|

lib/tasks/gitlab/assets.rake

@@ -20,7 +20,7 @@ namespace :gitlab do
     desc 'GitLab | Assets | Fix all absolute url references in CSS'
     task :fix_urls do
       css_files = Dir['public/assets/*.css']
-      css_files.each do | file |
+      css_files.each do |file|
         # replace url(/assets/*) with url(./*)
         puts "Fixing #{file}"
         system "sed", "-i", "-e", 's/url(\([\"\']\?\)\/assets\//url(\1.\//g', file

lib/tasks/gitlab/check.rake

@@ -6,8 +6,6 @@ namespace :gitlab do
                  gitlab:ldap:check
                  gitlab:app:check}
 
-
-
   namespace :app do
     desc "GitLab | Check the configuration of the GitLab Rails app"
     task check: :environment  do
@@ -35,7 +33,6 @@ namespace :gitlab do
       finished_checking "GitLab"
     end
 
-
     # Checks
     ########################
 
@@ -195,7 +192,7 @@ namespace :gitlab do
     def check_migrations_are_up
       print "All migrations up? ... "
 
-      migration_status, _ = Gitlab::Popen.popen(%W(bundle exec rake db:migrate:status))
+      migration_status, _ = Gitlab::Popen.popen(%w(bundle exec rake db:migrate:status))
 
       unless migration_status =~ /down\s+\d{14}/
         puts "yes".color(:green)
@@ -280,7 +277,7 @@ namespace :gitlab do
       upload_path_tmp = File.join(upload_path, 'tmp')
 
       if File.stat(upload_path).mode == 040700
-        unless Dir.exists?(upload_path_tmp)
+        unless Dir.exist?(upload_path_tmp)
           puts 'skipped (no tmp uploads folder yet)'.color(:magenta)
           return
         end
@@ -317,7 +314,7 @@ namespace :gitlab do
       min_redis_version = "2.8.0"
       print "Redis version >= #{min_redis_version}? ... "
 
-      redis_version = run_command(%W(redis-cli --version))
+      redis_version = run_command(%w(redis-cli --version))
       redis_version = redis_version.try(:match, /redis-cli (\d+\.\d+\.\d+)/)
       if redis_version &&
           (Gem::Version.new(redis_version[1]) > Gem::Version.new(min_redis_version))
@@ -352,7 +349,6 @@ namespace :gitlab do
       finished_checking "GitLab Shell"
     end
 
-
     # Checks
     ########################
 
@@ -388,7 +384,7 @@ namespace :gitlab do
 
         unless File.exist?(repo_base_path)
           puts "can't check because of previous errors".color(:magenta)
-          return
+          break
         end
 
         unless File.symlink?(repo_base_path)
@@ -411,7 +407,7 @@ namespace :gitlab do
 
         unless File.exist?(repo_base_path)
           puts "can't check because of previous errors".color(:magenta)
-          return
+          break
         end
 
         if File.stat(repo_base_path).mode.to_s(8).ends_with?("2770")
@@ -441,7 +437,7 @@ namespace :gitlab do
 
         unless File.exist?(repo_base_path)
           puts "can't check because of previous errors".color(:magenta)
-          return
+          break
         end
 
         uid = uid_for(gitlab_shell_ssh_user)
@@ -494,7 +490,6 @@ namespace :gitlab do
           )
           fix_and_rerun
         end
-
       end
     end
 
@@ -566,8 +561,6 @@ namespace :gitlab do
     end
   end
 
-
-
   namespace :sidekiq do
     desc "GitLab | Check the configuration of Sidekiq"
     task check: :environment  do
@@ -580,7 +573,6 @@ namespace :gitlab do
       finished_checking "Sidekiq"
     end
 
-
     # Checks
     ########################
 
@@ -622,12 +614,11 @@ namespace :gitlab do
     end
 
     def sidekiq_process_count
-      ps_ux, _ = Gitlab::Popen.popen(%W(ps ux))
+      ps_ux, _ = Gitlab::Popen.popen(%w(ps ux))
       ps_ux.scan(/sidekiq \d+\.\d+\.\d+/).count
     end
   end
 
-
   namespace :incoming_email do
     desc "GitLab | Check the configuration of Reply by email"
     task check: :environment  do
@@ -650,7 +641,6 @@ namespace :gitlab do
       finished_checking "Reply by email"
     end
 
-
     # Checks
     ########################
 
@@ -758,7 +748,7 @@ namespace :gitlab do
     end
 
     def mail_room_running?
-      ps_ux, _ = Gitlab::Popen.popen(%W(ps ux))
+      ps_ux, _ = Gitlab::Popen.popen(%w(ps ux))
       ps_ux.include?("mail_room")
     end
   end
@@ -806,12 +796,12 @@ namespace :gitlab do
     def check_ldap_auth(adapter)
       auth = adapter.config.has_auth?
 
-      if auth && adapter.ldap.bind
-        message = 'Success'.color(:green)
+      message = if auth && adapter.ldap.bind
+                  'Success'.color(:green)
                 elsif auth
-        message = 'Failed. Check `bind_dn` and `password` configuration values'.color(:red)
+                  'Failed. Check `bind_dn` and `password` configuration values'.color(:red)
                 else
-        message = 'Anonymous. No `bind_dn` or `password` configured'.color(:yellow)
+                  'Anonymous. No `bind_dn` or `password` configured'.color(:yellow)
                 end
 
       puts "LDAP authentication... #{message}"
@@ -919,7 +909,7 @@ namespace :gitlab do
   ##########################
 
   def fix_and_rerun
-    puts "  Please #{"fix the error above"} and rerun the checks.".color(:red)
+    puts "  Please fix the error above and rerun the checks.".color(:red)
   end
 
   def for_more_information(*sources)
@@ -993,7 +983,7 @@ namespace :gitlab do
 
   def check_ruby_version
     required_version = Gitlab::VersionInfo.new(2, 1, 0)
-    current_version = Gitlab::VersionInfo.parse(run_command(%W(ruby --version)))
+    current_version = Gitlab::VersionInfo.parse(run_command(%w(ruby --version)))
 
     print "Ruby version >= #{required_version} ? ... "
 
@@ -1064,13 +1054,13 @@ namespace :gitlab do
   end
 
   def check_config_lock(repo_dir)
-    config_exists = File.exist?(File.join(repo_dir,'config.lock'))
+    config_exists = File.exist?(File.join(repo_dir, 'config.lock'))
     config_output = config_exists ? 'yes'.color(:red) : 'no'.color(:green)
     puts "'config.lock' file exists?".color(:yellow) + " ... #{config_output}"
   end
 
   def check_ref_locks(repo_dir)
-    lock_files = Dir.glob(File.join(repo_dir,'refs/heads/*.lock'))
+    lock_files = Dir.glob(File.join(repo_dir, 'refs/heads/*.lock'))
     if lock_files.present?
       puts "Ref lock files exist:".color(:red)
       lock_files.each do |lock_file|

lib/tasks/gitlab/cleanup.rake

@@ -25,7 +25,6 @@ namespace :gitlab do
         end
 
         all_dirs.each do |dir_path|
-
           if remove_flag
             if FileUtils.rm_rf(dir_path)
               puts "Removed...#{dir_path}".color(:red)
@@ -81,11 +80,11 @@ namespace :gitlab do
         IO.popen(%W(find #{repo_root} -mindepth 1 -maxdepth 2 -name *.git)) do |find|
           find.each_line do |path|
             path.chomp!
-            repo_with_namespace = path.
-              sub(repo_root, '').
-              sub(%r{^/*}, '').
-              chomp('.git').
-              chomp('.wiki')
+            repo_with_namespace = path
+              .sub(repo_root, '')
+              .sub(%r{^/*}, '')
+              .chomp('.git')
+              .chomp('.wiki')
             next if Project.find_by_full_path(repo_with_namespace)
             new_path = path + move_suffix
             puts path.inspect + ' -> ' + new_path.inspect

lib/tasks/gitlab/db.rake

@@ -23,7 +23,7 @@ namespace :gitlab do
     end
 
     desc 'Drop all tables'
-    task :drop_tables => :environment do
+    task drop_tables: :environment do
       connection = ActiveRecord::Base.connection
 
       # If MySQL, turn off foreign key checks
@@ -62,9 +62,9 @@ namespace :gitlab do
 
       ref = Shellwords.escape(args[:ref])
 
-      migrations = `git diff #{ref}.. --name-only -- db/migrate`.lines.
-        map { |file| Rails.root.join(file.strip).to_s }.
-        select { |file| File.file?(file) }
+      migrations = `git diff #{ref}.. --name-only -- db/migrate`.lines
+        .map { |file| Rails.root.join(file.strip).to_s }
+        .select { |file| File.file?(file) }
 
       Gitlab::DowntimeCheck.new.check_and_print(migrations)
     end

lib/tasks/gitlab/git.rake

 namespace :gitlab do
   namespace :git do
-
     desc "GitLab | Git | Repack"
     task repack: :environment do
       failures = perform_git_cmd(%W(#{Gitlab.config.git.bin_path} repack -a --quiet), "Repacking repo")
@@ -50,6 +49,5 @@ namespace :gitlab do
       puts "The following repositories reported errors:".color(:red)
       failures.each { |f| puts "- #{f}" }
     end
-
   end
 end

lib/tasks/gitlab/import.rake

@@ -46,7 +46,7 @@ namespace :gitlab do
               group = Namespace.find_by(path: group_name)
               # create group namespace
               unless group
-                group = Group.new(:name => group_name)
+                group = Group.new(name: group_name)
                 group.path = group_name
                 group.owner = user
                 if group.save

lib/tasks/gitlab/import_export.rake

@@ -7,7 +7,7 @@ namespace :gitlab do
 
     desc "GitLab | Display exported DB structure"
     task data: :environment do
-      puts YAML.load_file(Gitlab::ImportExport.config_file)['project_tree'].to_yaml(:SortKeys => true)
+      puts YAML.load_file(Gitlab::ImportExport.config_file)['project_tree'].to_yaml(SortKeys: true)
     end
   end
 end

lib/tasks/gitlab/info.rake

@@ -2,19 +2,18 @@ namespace :gitlab do
   namespace :env do
     desc "GitLab | Show information about GitLab and its environment"
     task info: :environment  do
-
       # check if there is an RVM environment
-      rvm_version = run_and_match(%W(rvm --version), /[\d\.]+/).try(:to_s)
+      rvm_version = run_and_match(%w(rvm --version), /[\d\.]+/).try(:to_s)
       # check Ruby version
-      ruby_version = run_and_match(%W(ruby --version), /[\d\.p]+/).try(:to_s)
+      ruby_version = run_and_match(%w(ruby --version), /[\d\.p]+/).try(:to_s)
       # check Gem version
-      gem_version = run_command(%W(gem --version))
+      gem_version = run_command(%w(gem --version))
       # check Bundler version
-      bunder_version = run_and_match(%W(bundle --version), /[\d\.]+/).try(:to_s)
+      bunder_version = run_and_match(%w(bundle --version), /[\d\.]+/).try(:to_s)
       # check Rake version
-      rake_version = run_and_match(%W(rake --version), /[\d\.]+/).try(:to_s)
+      rake_version = run_and_match(%w(rake --version), /[\d\.]+/).try(:to_s)
       # check redis version
-      redis_version = run_and_match(%W(redis-cli --version), /redis-cli (\d+\.\d+\.\d+)/).to_a
+      redis_version = run_and_match(%w(redis-cli --version), /redis-cli (\d+\.\d+\.\d+)/).to_a
       # check for system defined proxies
       proxies = Gitlab::Proxy.detect_proxy.map{|k,v| "#{k}: #{v}"}.join("\n\t\t")
 
@@ -22,7 +21,7 @@ namespace :gitlab do
       puts "System information".color(:yellow)
       puts "System:\t\t#{os_name || "unknown".color(:red)}"
       puts "Proxy:\t\t#{proxies.present? ? proxies.color(:green) : "no"}"
-      puts "Current User:\t#{run_command(%W(whoami))}"
+      puts "Current User:\t#{run_command(%w(whoami))}"
       puts "Using RVM:\t#{rvm_version.present? ? "yes".color(:green) : "no"}"
       puts "RVM Version:\t#{rvm_version}" if rvm_version.present?
       puts "Ruby Version:\t#{ruby_version || "unknown".color(:red)}"
@@ -32,7 +31,6 @@ namespace :gitlab do
       puts "Redis Version:\t#{redis_version[1] || "unknown".color(:red)}"
       puts "Sidekiq Version:#{Sidekiq::VERSION}"
 
-
       # check database adapter
       database_adapter = Gitlab::Database.adapter_name
       database_version = Gitlab::Database.version
@@ -69,8 +67,6 @@ namespace :gitlab do
       puts "Using Omniauth:\t#{Gitlab.config.omniauth.enabled ? "yes".color(:green) : "no"}"
       puts "Omniauth Providers: #{omniauth_providers.join(', ')}" if Gitlab.config.omniauth.enabled
 
-
-
       # check Gitolite version
       gitlab_shell_version_file = "#{Gitlab.config.gitlab_shell.hooks_path}/../VERSION"
       if File.readable?(gitlab_shell_version_file)

lib/tasks/gitlab/shell.rake

@@ -20,10 +20,10 @@ namespace :gitlab do
         config = {
           user: Gitlab.config.gitlab.user,
           gitlab_url: gitlab_url,
-          http_settings: {self_signed_cert: false}.stringify_keys,
+          http_settings: { self_signed_cert: false }.stringify_keys,
           auth_file: File.join(user_home, ".ssh", "authorized_keys"),
           redis: {
-            bin: %x{which redis-cli}.chomp,
+            bin: `which redis-cli`.chomp,
             namespace: "resque:gitlab"
           }.stringify_keys,
           log_level: "INFO",
@@ -43,7 +43,7 @@ namespace :gitlab do
         File.open("config.yml", "w+") {|f| f.puts config.to_yaml}
 
         # Launch installation process
-        system(*%W(bin/install) + repository_storage_paths_args)
+        system(*%w(bin/install) + repository_storage_paths_args)
       end
 
       # (Re)create hooks

lib/tasks/gitlab/sidekiq.rake

 namespace :gitlab do
   namespace :sidekiq do
-    QUEUE = 'queue:post_receive'
+    QUEUE = 'queue:post_receive'.freeze
 
     desc 'Drop all Sidekiq PostReceive jobs for a given project'
-    task :drop_post_receive , [:project] => :environment do |t, args|
+    task :drop_post_receive, [:project] => :environment do |t, args|
       unless args.project.present?
         abort "Please specify the project you want to drop PostReceive jobs for:\n  rake gitlab:sidekiq:drop_post_receive[group/project]"
       end
@@ -21,7 +21,7 @@ namespace :gitlab do
         # new jobs already. We will repopulate it with the old jobs, skipping the
         # ones we want to drop.
         dropped = 0
-        while (job = redis.lpop(temp_queue)) do
+        while (job = redis.lpop(temp_queue))
           if repo_path(job) == project_path
             dropped += 1
           else

lib/tasks/gitlab/task_helpers.rb

@@ -19,23 +19,15 @@ module Gitlab
     # It will primarily use lsb_relase to determine the OS.
     # It has fallbacks to Debian, SuSE, OS X and systems running systemd.
     def os_name
-      os_name = run_command(%W(lsb_release -irs))
-      os_name ||= if File.readable?('/etc/system-release')
-        File.read('/etc/system-release')
-      end
-      os_name ||= if File.readable?('/etc/debian_version')
-        debian_version = File.read('/etc/debian_version')
-        "Debian #{debian_version}"
-      end
-      os_name ||= if File.readable?('/etc/SuSE-release')
-        File.read('/etc/SuSE-release')
-      end
-      os_name ||= if os_x_version = run_command(%W(sw_vers -productVersion))
+      os_name = run_command(%w(lsb_release -irs))
+      os_name ||= File.read('/etc/system-release') if File.readable?('/etc/system-release')
+      os_name ||= "Debian #{File.read('/etc/debian_version')}" if File.readable?('/etc/debian_version')
+      os_name ||= File.read('/etc/SuSE-release') if File.readable?('/etc/SuSE-release')
+      os_name ||=
+        if os_x_version = run_command(%w(sw_vers -productVersion))
           "Mac OS X #{os_x_version}"
         end
-      os_name ||= if File.readable?('/etc/os-release')
-        File.read('/etc/os-release').match(/PRETTY_NAME=\"(.+)\"/)[1]
-      end
+      os_name ||= File.read('/etc/os-release').match(/PRETTY_NAME=\"(.+)\"/)[1] if File.readable?('/etc/os-release')
       os_name.try(:squish!)
     end
 
@@ -104,7 +96,7 @@ module Gitlab
     def warn_user_is_not_gitlab
       unless @warned_user_not_gitlab
         gitlab_user = Gitlab.config.gitlab.user
-        current_user = run_command(%W(whoami)).chomp
+        current_user = run_command(%w(whoami)).chomp
         unless current_user == gitlab_user
           puts " Warning ".color(:black).background(:yellow)
           puts "  You are running as user #{current_user.color(:magenta)}, we hope you know what you are doing."

lib/tasks/gitlab/test.rake

@@ -2,15 +2,15 @@ namespace :gitlab do
   desc "GitLab | Run all tests"
   task :test do
     cmds = [
-      %W(rake brakeman),
-      %W(rake rubocop),
-      %W(rake spinach),
-      %W(rake spec),
-      %W(rake karma)
+      %w(rake brakeman),
+      %w(rake rubocop),
+      %w(rake spinach),
+      %w(rake spec),
+      %w(rake karma)
     ]
 
     cmds.each do |cmd|
-      system({'RAILS_ENV' => 'test', 'force' => 'yes'}, *cmd) or raise("#{cmd} failed!")
+      system({ 'RAILS_ENV' => 'test', 'force' => 'yes' }, *cmd) || raise("#{cmd} failed!")
     end
   end
 end

lib/tasks/gitlab/track_deployment.rake

 namespace :gitlab do
   desc 'GitLab | Tracks a deployment in GitLab Performance Monitoring'
   task track_deployment: :environment do
-    metric = Gitlab::Metrics::Metric.
-      new('deployments', version: Gitlab::VERSION)
+    metric = Gitlab::Metrics::Metric
+      .new('deployments', version: Gitlab::VERSION)
 
     Gitlab::Metrics.submit_metrics([metric.to_hash])
   end

lib/tasks/gitlab/update_templates.rake

@@ -46,7 +46,7 @@ namespace :gitlab do
       "https://gitlab.com/gitlab-org/gitlab-ci-yml.git",
       /(\.{1,2}|LICENSE|Pages|autodeploy|\.gitlab-ci.yml)\z/
     )
-  ]
+  ].freeze
 
   def vendor_directory
     Rails.root.join('vendor')

lib/tasks/gitlab/web_hook.rake

 namespace :gitlab do
   namespace :web_hook do
     desc "GitLab | Adds a webhook to the projects"
-    task :add => :environment do
+    task add: :environment do
       web_hook_url = ENV['URL']
       namespace_path = ENV['NAMESPACE']
 
@@ -21,7 +21,7 @@ namespace :gitlab do
     end
 
     desc "GitLab | Remove a webhook from the projects"
-    task :rm => :environment do
+    task rm: :environment do
       web_hook_url = ENV['URL']
       namespace_path = ENV['NAMESPACE']
 
@@ -34,7 +34,7 @@ namespace :gitlab do
     end
 
     desc "GitLab | List webhooks"
-    task :list => :environment do
+    task list: :environment do
       namespace_path = ENV['NAMESPACE']
 
       projects = find_projects(namespace_path)

lib/tasks/lint.rake

@@ -6,4 +6,3 @@ unless Rails.env.production?
     end
   end
 end
-

lib/tasks/migrate/migrate_iids.rake

@@ -24,7 +24,7 @@ task migrate_iids: :environment do
       else
         print 'F'
       end
-    rescue => ex
+    rescue
       print 'F'
     end
   end

lib/tasks/services.rake

@@ -76,23 +76,23 @@ namespace :services do
         end
 
         param_hash
-      end.sort_by { |p| p[:required] ? 0 : 1 }
+      end
+      service_hash[:params].sort_by! { |p| p[:required] ? 0 : 1 }
 
-      puts "Collected data for: #{service.title}, #{Time.now-service_start}"
+      puts "Collected data for: #{service.title}, #{Time.now - service_start}"
       service_hash
     end
 
     doc_start = Time.now
     doc_path = File.join(Rails.root, 'doc', 'api', 'services.md')
 
-    result = ERB.new(services_template, 0 , '>')
+    result = ERB.new(services_template, 0, '>')
       .result(OpenStruct.new(services: services).instance_eval { binding })
 
     File.open(doc_path, 'w') do |f|
       f.write result
     end
 
-    puts "write a new service.md to: #{doc_path.to_s}, #{Time.now-doc_start}"
-
+    puts "write a new service.md to: #{doc_path}, #{Time.now - doc_start}"
   end
 end

lib/tasks/sidekiq.rake

 namespace :sidekiq do
   desc "GitLab | Stop sidekiq"
   task :stop do
-    system *%W(bin/background_jobs stop)
+    system(*%w(bin/background_jobs stop))
   end
 
   desc "GitLab | Start sidekiq"
   task :start do
-    system *%W(bin/background_jobs start)
+    system(*%w(bin/background_jobs start))
   end
 
   desc 'GitLab | Restart sidekiq'
   task :restart do
-    system *%W(bin/background_jobs restart)
+    system(*%w(bin/background_jobs restart))
   end
 
   desc "GitLab | Start sidekiq with launchd on Mac OS X"
   task :launchd do
-    system *%W(bin/background_jobs start_no_deamonize)
+    system(*%w(bin/background_jobs start_no_deamonize))
   end
 end

lib/tasks/spec.rake

@@ -4,8 +4,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run request specs'
   task :api do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag @api)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag @api)
     ]
     run_commands(cmds)
   end
@@ -13,8 +13,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run feature specs'
   task :feature do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag @feature)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag @feature)
     ]
     run_commands(cmds)
   end
@@ -22,8 +22,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run model specs'
   task :models do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag @models)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag @models)
     ]
     run_commands(cmds)
   end
@@ -31,8 +31,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run service specs'
   task :services do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag @services)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag @services)
     ]
     run_commands(cmds)
   end
@@ -40,8 +40,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run lib specs'
   task :lib do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag @lib)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag @lib)
     ]
     run_commands(cmds)
   end
@@ -49,8 +49,8 @@ namespace :spec do
   desc 'GitLab | Rspec | Run other specs'
   task :other do
     cmds = [
-      %W(rake gitlab:setup),
-      %W(rspec spec --tag ~@api --tag ~@feature --tag ~@models --tag ~@lib --tag ~@services)
+      %w(rake gitlab:setup),
+      %w(rspec spec --tag ~@api --tag ~@feature --tag ~@models --tag ~@lib --tag ~@services)
     ]
     run_commands(cmds)
   end
@@ -59,14 +59,14 @@ end
 desc "GitLab | Run specs"
 task :spec do
   cmds = [
-    %W(rake gitlab:setup),
-    %W(rspec spec),
+    %w(rake gitlab:setup),
+    %w(rspec spec),
   ]
   run_commands(cmds)
 end
 
 def run_commands(cmds)
   cmds.each do |cmd|
-    system({'RAILS_ENV' => 'test', 'force' => 'yes'}, *cmd) or raise("#{cmd} failed!")
+    system({ 'RAILS_ENV' => 'test', 'force' => 'yes' }, *cmd) || raise("#{cmd} failed!")
   end
 end

lib/tasks/spinach.rake

@@ -35,7 +35,7 @@ task :spinach do
 end
 
 def run_system_command(cmd)
-  system({'RAILS_ENV' => 'test', 'force' => 'yes'}, *cmd)
+  system({ 'RAILS_ENV' => 'test', 'force' => 'yes' }, *cmd)
 end
 
 def run_spinach_command(args)