13 files changed, 416 insertions, 0 deletions
diff --git a/railties/lib/rails/tasks/annotations.rake b/railties/lib/rails/tasks/annotations.rake
new file mode 100644
index 0000000000..ae427249ef
--- /dev/null
+++ b/railties/lib/rails/tasks/annotations.rake
@@ -0,0 +1,20 @@
+require_relative "../source_annotation_extractor"
+
+desc "Enumerate all annotations (use notes:optimize, :fixme, :todo for focus)"
+task :notes do
+  SourceAnnotationExtractor.enumerate "OPTIMIZE|FIXME|TODO", tag: true
+end
+
+namespace :notes do
+  ["OPTIMIZE", "FIXME", "TODO"].each do |annotation|
+    # desc "Enumerate all #{annotation} annotations"
+    task annotation.downcase.intern do
+      SourceAnnotationExtractor.enumerate annotation
+    end
+  end
+
+  desc "Enumerate a custom annotation, specify with ANNOTATION=CUSTOM"
+  task :custom do
+    SourceAnnotationExtractor.enumerate ENV["ANNOTATION"]
+  end
+end
diff --git a/railties/lib/rails/tasks/dev.rake b/railties/lib/rails/tasks/dev.rake
new file mode 100644
index 0000000000..b2447cbcfc
--- /dev/null
+++ b/railties/lib/rails/tasks/dev.rake
@@ -0,0 +1,8 @@
+require_relative "../dev_caching"
+
+namespace :dev do
+  desc "Toggle development mode caching on/off"
+  task :cache do
+    Rails::DevCaching.enable_by_file
+  end
+end
diff --git a/railties/lib/rails/tasks/engine.rake b/railties/lib/rails/tasks/engine.rake
new file mode 100644
index 0000000000..a8d67322da
--- /dev/null
+++ b/railties/lib/rails/tasks/engine.rake
@@ -0,0 +1,83 @@
+task "load_app" do
+  namespace :app do
+    load APP_RAKEFILE
+
+    desc "Update some initially generated files"
+    task update: [ "update:bin" ]
+
+    namespace :update do
+      require_relative "../engine/updater"
+      # desc "Adds new executables to the engine bin/ directory"
+      task :bin do
+        Rails::Engine::Updater.run(:create_bin_files)
+      end
+    end
+  end
+  task environment: "app:environment"
+
+  if !defined?(ENGINE_ROOT) || !ENGINE_ROOT
+    ENGINE_ROOT = find_engine_path(APP_RAKEFILE)
+  end
+end
+
+def app_task(name)
+  task name => [:load_app, "app:db:#{name}"]
+end
+
+namespace :db do
+  app_task "reset"
+
+  desc "Migrate the database (options: VERSION=x, VERBOSE=false)."
+  app_task "migrate"
+  app_task "migrate:up"
+  app_task "migrate:down"
+  app_task "migrate:redo"
+  app_task "migrate:reset"
+
+  desc "Display status of migrations"
+  app_task "migrate:status"
+
+  desc "Create the database from config/database.yml for the current Rails.env (use db:create:all to create all databases in the config)"
+  app_task "create"
+  app_task "create:all"
+
+  desc "Drops the database for the current Rails.env (use db:drop:all to drop all databases)"
+  app_task "drop"
+  app_task "drop:all"
+
+  desc "Load fixtures into the current environment's database."
+  app_task "fixtures:load"
+
+  desc "Rolls the schema back to the previous version (specify steps w/ STEP=n)."
+  app_task "rollback"
+
+  desc "Create a db/schema.rb file that can be portably used against any DB supported by Active Record"
+  app_task "schema:dump"
+
+  desc "Load a schema.rb file into the database"
+  app_task "schema:load"
+
+  desc "Load the seed data from db/seeds.rb"
+  app_task "seed"
+
+  desc "Create the database, load the schema, and initialize with the seed data (use db:reset to also drop the db first)"
+  app_task "setup"
+
+  desc "Dump the database structure to an SQL file"
+  app_task "structure:dump"
+
+  desc "Retrieves the current schema version number"
+  app_task "version"
+end
+
+def find_engine_path(path)
+  return File.expand_path(Dir.pwd) if path == "/"
+
+  if Rails::Engine.find(path)
+    path
+  else
+    find_engine_path(File.expand_path("..", path))
+  end
+end
+
+Rake.application.invoke_task(:load_app)
diff --git a/railties/lib/rails/tasks/framework.rake b/railties/lib/rails/tasks/framework.rake
new file mode 100644
index 0000000000..6c6e86d78d
--- /dev/null
+++ b/railties/lib/rails/tasks/framework.rake
@@ -0,0 +1,56 @@
+namespace :app do
+  desc "Update configs and some other initially generated files (or use just update:configs or update:bin)"
+  task update: [ "update:configs", "update:bin", "update:upgrade_guide_info" ]
+
+  desc "Applies the template supplied by LOCATION=(/path/to/template) or URL"
+  task template: :environment do
+    template = ENV["LOCATION"]
+    raise "No LOCATION value given. Please set LOCATION either as path to a file or a URL" if template.blank?
+    template = File.expand_path(template) if template !~ %r{\A[A-Za-z][A-Za-z0-9+\-\.]*://}
+    require_relative "../generators"
+    require_relative "../generators/rails/app/app_generator"
+    generator = Rails::Generators::AppGenerator.new [Rails.root], {}, destination_root: Rails.root
+    generator.apply template, verbose: false
+  end
+
+  namespace :templates do
+    # desc "Copy all the templates from rails to the application directory for customization. Already existing local copies will be overwritten"
+    task :copy do
+      generators_lib = File.expand_path("../generators", __dir__)
+      project_templates = "#{Rails.root}/lib/templates"
+
+      default_templates = { "erb"   => %w{controller mailer scaffold},
+                            "rails" => %w{controller helper scaffold_controller assets} }
+
+      default_templates.each do |type, names|
+        local_template_type_dir = File.join(project_templates, type)
+        mkdir_p local_template_type_dir, verbose: false
+
+        names.each do |name|
+          dst_name = File.join(local_template_type_dir, name)
+          src_name = File.join(generators_lib, type, name, "templates")
+          cp_r src_name, dst_name, verbose: false
+        end
+      end
+    end
+  end
+
+  namespace :update do
+    require_relative "../app_updater"
+
+    # desc "Update config/boot.rb from your current rails install"
+    task :configs do
+      Rails::AppUpdater.invoke_from_app_generator :create_boot_file
+      Rails::AppUpdater.invoke_from_app_generator :update_config_files
+    end
+
+    # desc "Adds new executables to the application bin/ directory"
+    task :bin do
+      Rails::AppUpdater.invoke_from_app_generator :update_bin_files
+    end
+
+    task :upgrade_guide_info do
+      Rails::AppUpdater.invoke_from_app_generator :display_upgrade_guide_info
+    end
+  end
+end
diff --git a/railties/lib/rails/tasks/initializers.rake b/railties/lib/rails/tasks/initializers.rake
new file mode 100644
index 0000000000..6522f2ae5a
--- /dev/null
+++ b/railties/lib/rails/tasks/initializers.rake
@@ -0,0 +1,6 @@
+desc "Print out all defined initializers in the order they are invoked by Rails."
+task initializers: :environment do
+  Rails.application.initializers.tsort_each do |initializer|
+    puts "#{initializer.context_class}.#{initializer.name}"
+  end
+end
diff --git a/railties/lib/rails/tasks/log.rake b/railties/lib/rails/tasks/log.rake
new file mode 100644
index 0000000000..ba796845d7
--- /dev/null
+++ b/railties/lib/rails/tasks/log.rake
@@ -0,0 +1,40 @@
+namespace :log do
+
+  ##
+  # Truncates all/specified log files
+  # ENV['LOGS']
+  #   - defaults to all environments log files i.e. 'development,test,production'
+  #   - ENV['LOGS']=all truncates all files i.e. log/*.log
+  #   - ENV['LOGS']='test,development' truncates only specified files
+  desc "Truncates all/specified *.log files in log/ to zero bytes (specify which logs with LOGS=test,development)"
+  task :clear do
+    log_files.each do |file|
+      clear_log_file(file)
+    end
+  end
+
+  def log_files
+    if ENV["LOGS"] == "all"
+      FileList["log/*.log"]
+    elsif ENV["LOGS"]
+      log_files_to_truncate(ENV["LOGS"])
+    else
+      log_files_to_truncate(all_environments.join(","))
+    end
+  end
+
+  def log_files_to_truncate(envs)
+    envs.split(",")
+        .map    { |file| "log/#{file.strip}.log" }
+        .select { |file| File.exist?(file) }
+  end
+
+  def clear_log_file(file)
+    f = File.open(file, "w")
+    f.close
+  end
+
+  def all_environments
+    Dir["config/environments/*.rb"].map { |fname| File.basename(fname, ".*") }
+  end
+end
diff --git a/railties/lib/rails/tasks/middleware.rake b/railties/lib/rails/tasks/middleware.rake
new file mode 100644
index 0000000000..fd98be1ea9
--- /dev/null
+++ b/railties/lib/rails/tasks/middleware.rake
@@ -0,0 +1,7 @@
+desc "Prints out your Rack middleware stack"
+task middleware: :environment do
+  Rails.configuration.middleware.each do |middleware|
+    puts "use #{middleware.inspect}"
+  end
+  puts "run #{Rails.application.class.name}.routes"
+end
diff --git a/railties/lib/rails/tasks/misc.rake b/railties/lib/rails/tasks/misc.rake
new file mode 100644
index 0000000000..29ea0ff804
--- /dev/null
+++ b/railties/lib/rails/tasks/misc.rake
@@ -0,0 +1,77 @@
+desc "Generate a cryptographically secure secret key (this is typically used to generate a secret for cookie sessions)."
+task :secret do
+  require "securerandom"
+  puts SecureRandom.hex(64)
+end
+
+desc "List versions of all Rails frameworks and the environment"
+task about: :environment do
+  puts Rails::Info
+end
+
+namespace :time do
+  desc "List all time zones, list by two-letter country code (`rails time:zones[US]`), or list by UTC offset (`rails time:zones[-8]`)"
+  task :zones, :country_or_offset do |t, args|
+    zones, offset = ActiveSupport::TimeZone.all, nil
+
+    if country_or_offset = args[:country_or_offset]
+      begin
+        zones = ActiveSupport::TimeZone.country_zones(country_or_offset)
+      rescue TZInfo::InvalidCountryCode
+        offset = country_or_offset
+      end
+    end
+
+    build_time_zone_list zones, offset
+  end
+
+  namespace :zones do
+    # desc 'Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET parameter, e.g., OFFSET=-6'
+    task :all do
+      build_time_zone_list ActiveSupport::TimeZone.all
+    end
+
+    # desc 'Displays names of US time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
+    task :us do
+      build_time_zone_list ActiveSupport::TimeZone.us_zones
+    end
+
+    # desc 'Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time'
+    task :local do
+      require "active_support"
+      require "active_support/time"
+
+      jan_offset = Time.now.beginning_of_year.utc_offset
+      jul_offset = Time.now.beginning_of_year.change(month: 7).utc_offset
+      offset = jan_offset < jul_offset ? jan_offset : jul_offset
+
+      build_time_zone_list(ActiveSupport::TimeZone.all, offset)
+    end
+
+    # to find UTC -06:00 zones, OFFSET can be set to either -6, -6:00 or 21600
+    def build_time_zone_list(zones, offset = ENV["OFFSET"])
+      require "active_support"
+      require "active_support/time"
+      if offset
+        offset = if offset.to_s.match(/(\+|-)?(\d+):(\d+)/)
+          sign = $1 == "-" ? -1 : 1
+          hours, minutes = $2.to_f, $3.to_f
+          ((hours * 3600) + (minutes.to_f * 60)) * sign
+        elsif offset.to_f.abs <= 13
+          offset.to_f * 3600
+        else
+          offset.to_f
+        end
+      end
+      previous_offset = nil
+      zones.each do |zone|
+        if offset.nil? || offset == zone.utc_offset
+          puts "\n* UTC #{zone.formatted_offset} *" unless zone.utc_offset == previous_offset
+          puts zone.name
+          previous_offset = zone.utc_offset
+        end
+      end
+      puts "\n"
+    end
+  end
+end
diff --git a/railties/lib/rails/tasks/restart.rake b/railties/lib/rails/tasks/restart.rake
new file mode 100644
index 0000000000..03177d9954
--- /dev/null
+++ b/railties/lib/rails/tasks/restart.rake
@@ -0,0 +1,8 @@
+desc "Restart app by touching tmp/restart.txt"
+task :restart do
+  verbose(false) do
+    mkdir_p "tmp"
+    touch "tmp/restart.txt"
+    rm_f "tmp/pids/server.pid"
+  end
+end
diff --git a/railties/lib/rails/tasks/routes.rake b/railties/lib/rails/tasks/routes.rake
new file mode 100644
index 0000000000..215fb2ceb5
--- /dev/null
+++ b/railties/lib/rails/tasks/routes.rake
@@ -0,0 +1,29 @@
+require "optparse"
+
+desc "Print out all defined routes in match order, with names. Target specific controller with -c option, or grep routes using -g option"
+task routes: :environment do
+  all_routes = Rails.application.routes.routes
+  require "action_dispatch/routing/inspector"
+  inspector = ActionDispatch::Routing::RoutesInspector.new(all_routes)
+
+  routes_filter = nil
+
+  OptionParser.new do |opts|
+    opts.banner = "Usage: rails routes [options]"
+
+    Rake.application.standard_rake_options.each { |args| opts.on(*args) }
+
+    opts.on("-c CONTROLLER") do |controller|
+      routes_filter = { controller: controller }
+    end
+
+    opts.on("-g PATTERN") do |pattern|
+      routes_filter = pattern
+    end
+
+  end.parse!(ARGV.reject { |x| x == "routes" })
+
+  puts inspector.format(ActionDispatch::Routing::ConsoleFormatter.new, routes_filter)
+
+  exit 0 # ensure extra arguments aren't interpreted as Rake tasks
+end
diff --git a/railties/lib/rails/tasks/statistics.rake b/railties/lib/rails/tasks/statistics.rake
new file mode 100644
index 0000000000..0670050d34
--- /dev/null
+++ b/railties/lib/rails/tasks/statistics.rake
@@ -0,0 +1,29 @@
+# While global constants are bad, many 3rd party tools depend on this one (e.g
+# rspec-rails & cucumber-rails). So a deprecation warning is needed if we want
+# to remove it.
+STATS_DIRECTORIES = [
+  %w(Controllers        app/controllers),
+  %w(Helpers            app/helpers),
+  %w(Jobs               app/jobs),
+  %w(Models             app/models),
+  %w(Mailers            app/mailers),
+  %w(Channels           app/channels),
+  %w(JavaScripts        app/assets/javascripts),
+  %w(Libraries          lib/),
+  %w(APIs               app/apis),
+  %w(Controller\ tests  test/controllers),
+  %w(Helper\ tests      test/helpers),
+  %w(Model\ tests       test/models),
+  %w(Mailer\ tests      test/mailers),
+  %w(Job\ tests         test/jobs),
+  %w(Integration\ tests test/integration),
+  %w(System\ tests      test/system),
+].collect do |name, dir|
+  [ name, "#{File.dirname(Rake.application.rakefile_location)}/#{dir}" ]
+end.select { |name, dir| File.directory?(dir) }
+
+desc "Report code statistics (KLOCs, etc) from the application or engine"
+task :stats do
+  require_relative "../code_statistics"
+  CodeStatistics.new(*STATS_DIRECTORIES).to_s
+end
diff --git a/railties/lib/rails/tasks/tmp.rake b/railties/lib/rails/tasks/tmp.rake
new file mode 100644
index 0000000000..3d8ced1bf3
--- /dev/null
+++ b/railties/lib/rails/tasks/tmp.rake
@@ -0,0 +1,42 @@
+namespace :tmp do
+  desc "Clear cache, socket and screenshot files from tmp/ (narrow w/ tmp:cache:clear, tmp:sockets:clear, tmp:screenshots:clear)"
+  task clear: ["tmp:cache:clear", "tmp:sockets:clear", "tmp:screenshots:clear"]
+
+  tmp_dirs = [ "tmp/cache",
+               "tmp/sockets",
+               "tmp/pids",
+               "tmp/cache/assets" ]
+
+  tmp_dirs.each { |d| directory d }
+
+  desc "Creates tmp directories for cache, sockets, and pids"
+  task create: tmp_dirs
+
+  namespace :cache do
+    # desc "Clears all files and directories in tmp/cache"
+    task :clear do
+      rm_rf Dir["tmp/cache/[^.]*"], verbose: false
+    end
+  end
+
+  namespace :sockets do
+    # desc "Clears all files in tmp/sockets"
+    task :clear do
+      rm Dir["tmp/sockets/[^.]*"], verbose: false
+    end
+  end
+
+  namespace :pids do
+    # desc "Clears all files in tmp/pids"
+    task :clear do
+      rm Dir["tmp/pids/[^.]*"], verbose: false
+    end
+  end
+
+  namespace :screenshots do
+    # desc "Clears all files in tmp/screenshots"
+    task :clear do
+      rm Dir["tmp/screenshots/[^.]*"], verbose: false
+    end
+  end
+end
diff --git a/railties/lib/rails/tasks/yarn.rake b/railties/lib/rails/tasks/yarn.rake
new file mode 100644
index 0000000000..6cb19b7282
--- /dev/null
+++ b/railties/lib/rails/tasks/yarn.rake
@@ -0,0 +1,11 @@
+namespace :yarn do
+  desc "Install all JavaScript dependencies as specified via Yarn"
+  task :install do
+    system("./bin/yarn install --no-progress --production")
+  end
+end
+
+# Run Yarn prior to Sprockets assets precompilation, so dependencies are available for use.
+if Rake::Task.task_defined?("assets:precompile")
+  Rake::Task["assets:precompile"].enhance [ "yarn:install" ]
+end