require 'digest/md5' require 'active_support/core_ext/string/strip' require 'rails/version' unless defined?(Rails::VERSION) require 'open-uri' require 'uri' require 'rails/generators' require 'active_support/core_ext/array/extract_options' module Rails module Generators class AppBase < Base # :nodoc: DATABASES = %w( mysql oracle postgresql sqlite3 frontbase ibm_db sqlserver ) JDBC_DATABASES = %w( jdbcmysql jdbcsqlite3 jdbcpostgresql jdbc ) DATABASES.concat(JDBC_DATABASES) attr_accessor :rails_template attr_accessor :app_template add_shebang_option! argument :app_path, type: :string def self.strict_args_position false end def self.add_shared_options_for(name) class_option :template, type: :string, aliases: '-m', desc: "Path to some #{name} template (can be a filesystem path or URL)" class_option :app_template, type: :string, aliases: '-n', desc: "Path to some #{name} template (can be a filesystem path or URL)" class_option :skip_gemfile, type: :boolean, default: false, desc: "Don't create a Gemfile" class_option :skip_bundle, type: :boolean, aliases: '-B', default: false, desc: "Don't run bundle install" class_option :skip_git, type: :boolean, aliases: '-G', default: false, desc: 'Skip .gitignore file' class_option :skip_keeps, type: :boolean, default: false, desc: 'Skip source control .keep files' class_option :skip_active_record, type: :boolean, aliases: '-O', default: false, desc: 'Skip Active Record files' class_option :skip_action_view, type: :boolean, aliases: '-V', default: false, desc: 'Skip Action View files' class_option :skip_sprockets, type: :boolean, aliases: '-S', default: false, desc: 'Skip Sprockets files' class_option :skip_spring, type: :boolean, default: false, desc: "Don't install Spring application preloader" class_option :database, type: :string, aliases: '-d', default: 'sqlite3', desc: "Preconfigure for selected database (options: #{DATABASES.join('/')})" class_option :javascript, type: :string, aliases: '-j', default: 'jquery', desc: 'Preconfigure for selected JavaScript library' class_option :skip_javascript, type: :boolean, aliases: '-J', default: false, desc: 'Skip JavaScript files' class_option :dev, type: :boolean, default: false, desc: "Setup the #{name} with Gemfile pointing to your Rails checkout" class_option :edge, type: :boolean, default: false, desc: "Setup the #{name} with Gemfile pointing to Rails repository" class_option :skip_test_unit, type: :boolean, aliases: '-T', default: false, desc: 'Skip Test::Unit files' class_option :rc, type: :string, default: false, desc: "Path to file containing extra configuration options for rails command" class_option :no_rc, type: :boolean, default: false, desc: 'Skip loading of extra configuration options from .railsrc file' class_option :help, type: :boolean, aliases: '-h', group: :rails, desc: 'Show this help message and quit' end def initialize(*args) @original_wd = Dir.pwd @gem_filter = lambda { |gem| true } @extra_entries = [] super convert_database_option_for_jruby end protected def gemfile_entry(name, *args) options = args.extract_options! version = args.first github = options[:github] path = options[:path] if github @extra_entries << GemfileEntry.github(name, github) elsif path @extra_entries << GemfileEntry.path(name, path) else @extra_entries << GemfileEntry.version(name, version) end self end def gemfile_entries [ rails_gemfile_entry, database_gemfile_entry, assets_gemfile_entry, javascript_gemfile_entry, jbuilder_gemfile_entry, sdoc_gemfile_entry, platform_dependent_gemfile_entry, spring_gemfile_entry, @extra_entries].flatten.find_all(&@gem_filter) end def add_gem_entry_filter @gem_filter = lambda { |next_filter, entry| yield(entry) && next_filter.call(entry) }.curry[@gem_filter] end def remove_gem(name) add_gem_entry_filter { |gem| gem.name != name } end def builder @builder ||= begin builder_class = get_builder_class builder_class.send(:include, ActionMethods) builder_class.new(self) end end def build(meth, *args) builder.send(meth, *args) if builder.respond_to?(meth) end def create_root valid_const? empty_directory '.' FileUtils.cd(destination_root) unless options[:pretend] end class TemplateRecorder < ::BasicObject # :nodoc: attr_reader :gems def initialize(target) @target = target # unfortunately, instance eval has access to these ivars @app_const = target.send :app_const if target.respond_to?(:app_const, true) @app_const_base = target.send :app_const_base if target.respond_to?(:app_const_base, true) @app_name = target.send :app_name if target.respond_to?(:app_name, true) @commands = [] @gems = [] end def gemfile_entry(*args) @target.send :gemfile_entry, *args end def add_gem_entry_filter(*args, &block) @target.send :add_gem_entry_filter, *args, &block end def remove_gem(*args, &block) @target.send :remove_gem, *args, &block end def method_missing(name, *args, &block) @commands << [name, args, block] end def respond_to_missing?(method, priv = false) super || @target.respond_to?(method, priv) end def replay! @commands.each do |name, args, block| @target.send name, *args, &block end end end def apply_rails_template @recorder = TemplateRecorder.new self apply(rails_template, target: self) if rails_template apply(app_template, target: @recorder) if app_template rescue Thor::Error, LoadError, Errno::ENOENT => e raise Error, "The template [#{rails_template}] could not be loaded. Error: #{e}" end def replay_template @recorder.replay! if @recorder end def apply(path, config={}) verbose = config.fetch(:verbose, true) target = config.fetch(:target, self) is_uri = path =~ /^https?\:\/\// path = find_in_source_paths(path) unless is_uri say_status :apply, path, verbose shell.padding += 1 if verbose if is_uri contents = open(path, "Accept" => "application/x-thor-template") {|io| io.read } else contents = open(path) {|io| io.read } end target.instance_eval(contents, path) shell.padding -= 1 if verbose end def set_default_accessors! self.destination_root = File.expand_path(app_path, destination_root) self.rails_template = expand_template options[:template] self.app_template = expand_template options[:app_template] end def expand_template(name) case name when /^https?:\/\// name when String File.expand_path(name, Dir.pwd) else name end end def database_gemfile_entry return [] if options[:skip_active_record] GemfileEntry.version gem_for_database, nil, "Use #{options[:database]} as the database for Active Record" end def include_all_railties? !options[:skip_active_record] && !options[:skip_action_view] && !options[:skip_test_unit] && !options[:skip_sprockets] end def comment_if(value) options[value] ? '# ' : '' end class GemfileEntry < Struct.new(:name, :version, :comment, :options, :commented_out) def initialize(name, version, comment, options = {}, commented_out = false) super end def self.github(name, github, comment = nil) new(name, nil, comment, github: github) end def self.version(name, version, comment = nil) new(name, version, comment) end def self.path(name, path, comment = nil) new(name, nil, comment, path: path) end def padding(max_width) ' ' * (max_width - name.length + 2) end end def rails_gemfile_entry if options.dev? [GemfileEntry.path('rails', Rails::Generators::RAILS_DEV_PATH), GemfileEntry.github('arel', 'rails/arel')] elsif options.edge? [GemfileEntry.github('rails', 'rails/rails'), GemfileEntry.github('arel', 'rails/arel')] else [GemfileEntry.version('rails', Rails::VERSION::STRING, "Bundle edge Rails instead: gem 'rails', github: 'rails/rails'")] end end def gem_for_database # %w( mysql oracle postgresql sqlite3 frontbase ibm_db sqlserver jdbcmysql jdbcsqlite3 jdbcpostgresql ) case options[:database] when "oracle" then "ruby-oci8" when "postgresql" then "pg" when "frontbase" then "ruby-frontbase" when "mysql" then "mysql2" when "sqlserver" then "activerecord-sqlserver-adapter" when "jdbcmysql" then "activerecord-jdbcmysql-adapter" when "jdbcsqlite3" then "activerecord-jdbcsqlite3-adapter" when "jdbcpostgresql" then "activerecord-jdbcpostgresql-adapter" when "jdbc" then "activerecord-jdbc-adapter" else options[:database] end end def convert_database_option_for_jruby if defined?(JRUBY_VERSION) case options[:database] when "oracle" then options[:database].replace "jdbc" when "postgresql" then options[:database].replace "jdbcpostgresql" when "mysql" then options[:database].replace "jdbcmysql" when "sqlite3" then options[:database].replace "jdbcsqlite3" end end end def assets_gemfile_entry return [] if options[:skip_sprockets] gems = [] if options.dev? || options.edge? gems << GemfileEntry.github('sprockets-rails', 'rails/sprockets-rails', 'Use edge version of sprockets-rails') gems << GemfileEntry.github('sass-rails', 'rails/sass-rails', 'Use SCSS for stylesheets') else gems << GemfileEntry.version('sass-rails', '~> 4.0.1', 'Use SCSS for stylesheets') end gems << GemfileEntry.version('uglifier', '>= 1.3.0', 'Use Uglifier as compressor for JavaScript assets') gems end def platform_dependent_gemfile_entry gems = [] if RUBY_ENGINE == 'rbx' gems << GemfileEntry.version('rubysl', nil) end gems end def jbuilder_gemfile_entry comment = 'Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder' GemfileEntry.version('jbuilder', '~> 2.0', comment) end def sdoc_gemfile_entry comment = 'bundle exec rake doc:rails generates the API under doc/api.' GemfileEntry.new('sdoc', '~> 0.4.0', comment, group: :doc) end def coffee_gemfile_entry comment = 'Use CoffeeScript for .js.coffee assets and views' if options.dev? || options.edge? GemfileEntry.github 'coffee-rails', 'rails/coffee-rails', comment else GemfileEntry.version 'coffee-rails', '~> 4.0.0', comment end end def javascript_gemfile_entry if options[:skip_javascript] [] else gems = [coffee_gemfile_entry, javascript_runtime_gemfile_entry] gems << GemfileEntry.version("#{options[:javascript]}-rails", nil, "Use #{options[:javascript]} as the JavaScript library") gems << GemfileEntry.version("turbolinks", nil, "Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks") gems end end def javascript_runtime_gemfile_entry comment = 'See https://github.com/sstephenson/execjs#readme for more supported runtimes' if defined?(JRUBY_VERSION) GemfileEntry.version 'therubyrhino', nil, comment else GemfileEntry.new 'therubyracer', nil, comment, { platforms: :ruby }, true end end def spring_gemfile_entry return [] unless spring_install? comment = 'Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring' GemfileEntry.new('spring', nil, comment, group: :development) end def bundle_command(command) say_status :run, "bundle #{command}" # We are going to shell out rather than invoking Bundler::CLI.new(command) # because `rails new` loads the Thor gem and on the other hand bundler uses # its own vendored Thor, which could be a different version. Running both # things in the same process is a recipe for a night with paracetamol. # # We use backticks and #print here instead of vanilla #system because it # is easier to silence stdout in the existing test suite this way. The # end-user gets the bundler commands called anyway, so no big deal. # # We unset temporary bundler variables to load proper bundler and Gemfile. # # Thanks to James Tucker for the Gem tricks involved in this call. _bundle_command = Gem.bin_path('bundler', 'bundle') require 'bundler' Bundler.with_clean_env do output = `"#{Gem.ruby}" "#{_bundle_command}" #{command}` print output unless options[:quiet] end end def bundle_install? !(options[:skip_gemfile] || options[:skip_bundle] || options[:pretend]) end def spring_install? !options[:skip_spring] && Process.respond_to?(:fork) end def run_bundle bundle_command('install') if bundle_install? end def generate_spring_binstubs if bundle_install? && spring_install? bundle_command("exec spring binstub --all") end end def empty_directory_with_keep_file(destination, config = {}) empty_directory(destination, config) keep_file(destination) end def keep_file(destination) create_file("#{destination}/.keep") unless options[:skip_keeps] end end end end