Change current sstructure.

1 files changed, 200 insertions, 0 deletions

diff --git a/railties/lib/generators/rails/app/app_generator.rb b/railties/lib/generators/rails/app/app_generator.rb
new file mode 100644
index 0000000000..45e46aed02
--- /dev/null
+++ b/railties/lib/generators/rails/app/app_generator.rb
@@ -0,0 +1,200 @@
+require 'digest/md5' 
+require 'active_support/secure_random'
+
+module Rails::Generators
+  class AppGenerator < Base
+    DATABASES = %w( mysql oracle postgresql sqlite2 sqlite3 frontbase ibm_db )
+    add_shebang_option!
+
+    argument :app_path, :type => :string
+
+    class_option :database, :type => :string, :aliases => "-d", :default => "sqlite3",
+                            :desc => "Preconfigure for selected database (options: #{DATABASES.join('/')})"
+
+    class_option :freeze, :type => :boolean, :aliases => "-F", :default => false,
+                          :desc => "Freeze Rails in vendor/rails from the gems"
+
+    class_option :template, :type => :string, :aliases => "-m",
+                            :desc => "Path to an application template (can be a filesystem path or URL)."
+
+    class_option :with_dispatchers, :type => :boolean, :aliases => "-D", :default => false,
+                                    :desc => "Add CGI/FastCGI/mod_ruby dispatchers code"
+
+    class_option :skip_activerecord, :type => :boolean, :aliases => "-A", :default => false,
+                                   :desc => "Skip ActiveRecord files"
+
+    class_option :skip_testunit, :type => :boolean, :aliases => "-U", :default => false,
+                               :desc => "Skip TestUnit files"
+
+    class_option :skip_prototype, :type => :boolean, :aliases => "-P", :default => false,
+                                :desc => "Skip Prototype files"
+
+    # Add Rails options
+    #
+    class_option :version, :type => :boolean, :aliases => "-v", :group => :rails,
+                           :desc => "Show Rails version number and quit"
+
+    class_option :help, :type => :boolean, :aliases => "-h", :group => :rails,
+                        :desc => "Show this help message and quit"
+
+    def initialize(*args)
+      super
+      if !options[:no_activerecord] && !DATABASES.include?(options[:database])
+        raise Error, "Invalid value for --database option. Supported for preconfiguration are: #{DATABASES.join(", ")}."
+      end
+    end
+
+    def create_root
+      self.root = File.expand_path(app_path, root)
+      empty_directory '.'
+
+      app_name # Sets the app name
+      FileUtils.cd(root)
+    end
+
+    def create_root_files
+      copy_file "Rakefile"
+      copy_file "README"
+    end
+
+    def create_app_files
+      directory "app"
+    end
+
+    def create_config_files
+      empty_directory "config"
+
+      inside "config" do
+        copy_file "boot.rb"
+        copy_file "routes.rb"
+        template  "environment.rb"
+
+        directory "environments"
+        directory "initializers"
+        directory "locales"
+      end
+    end
+
+    def create_activerecord_files
+      return if options[:skip_activerecord]
+      template "config/databases/#{options[:database]}.yml", "config/database.yml"
+    end
+
+    def create_db_files
+      directory "db"
+    end
+
+    def create_doc_files
+      directory "doc"
+    end
+
+    def create_lib_files
+      empty_directory "lib"
+      empty_directory "lib/tasks"
+    end
+
+    def create_log_files
+      empty_directory "log"
+
+      inside "log" do
+        %w( server production development test ).each do |file|
+          create_file "#{file}.log"
+          chmod "#{file}.log", 0666, false
+        end
+      end
+    end
+
+    def create_public_files
+      directory "public", "public", false # Non-recursive. Do small steps, so anyone can overwrite it.
+    end
+
+    def create_dispatch_files
+      return unless options[:with_dispatchers]
+      copy_file "dispatchers/config.ru", "config.ru"
+
+      template "dispatchers/dispatch.rb", "public/dispatch.rb"
+      chmod "public/dispatch.rb", 0755, false
+
+      template "dispatchers/dispatch.rb", "public/dispatch.cgi"
+      chmod "public/dispatch.cgi", 0755, false
+
+      template "dispatchers/dispatch.fcgi", "public/dispatch.fcgi"
+      chmod "public/dispatch.fcgi", 0755, false
+    end
+
+    def create_public_image_files
+      directory "public/images"
+    end
+
+    def create_public_stylesheets_files
+      directory "public/stylesheets"
+    end
+
+    def create_prototype_files
+      return if options[:skip_prototype]
+      directory "public/javascripts"
+    end
+
+    def create_script_files
+      directory "script"
+      chmod "script", 0755, false
+    end
+
+    def create_test_files
+      return if options[:skip_testunit]
+      directory "test"
+    end
+
+    def create_tmp_files
+      empty_directory "tmp"
+
+      inside "tmp" do
+        %w(sessions sockets cache pids).each do |dir|
+          empty_directory dir
+        end
+      end
+    end
+
+    def create_vendor_files
+      empty_directory "vendor/plugins"
+    end
+
+    def apply_rails_template
+      apply options[:template] if options[:template]
+    rescue LoadError, Errno::ENOENT => e
+      raise Error, "The template [#{options[:template]}] could not be loaded. Error: #{e}"
+    end
+
+    def freeze?
+      freeze! if options[:freeze]
+    end
+
+    protected
+
+      def app_name
+        @app_name ||= File.basename(root)
+      end
+
+      def app_secret
+        ActiveSupport::SecureRandom.hex(64)
+      end
+
+      def self.banner
+        "#{$0} #{self.arguments.map(&:usage).join(' ')} [options]"
+      end
+
+      def mysql_socket
+        @mysql_socket ||= [
+          "/tmp/mysql.sock",                        # default
+          "/var/run/mysqld/mysqld.sock",            # debian/gentoo
+          "/var/tmp/mysql.sock",                    # freebsd
+          "/var/lib/mysql/mysql.sock",              # fedora
+          "/opt/local/lib/mysql/mysql.sock",        # fedora
+          "/opt/local/var/run/mysqld/mysqld.sock",  # mac + darwinports + mysql
+          "/opt/local/var/run/mysql4/mysqld.sock",  # mac + darwinports + mysql4
+          "/opt/local/var/run/mysql5/mysqld.sock",  # mac + darwinports + mysql5
+          "/opt/lampp/var/mysql/mysql.sock"         # xampp for linux
+        ].find { |f| File.exist?(f) } unless RUBY_PLATFORM =~ /(:?mswin|mingw)/
+      end
+  end
+end