Merge remote branch 'drogus/plugin_new'

Conflicts:
	railties/test/generators/app_generator_test.rb

1 files changed, 176 insertions, 0 deletions

diff --git a/railties/lib/rails/generators/app_base.rb b/railties/lib/rails/generators/app_base.rb
new file mode 100644
index 0000000000..f5c626553c
--- /dev/null
+++ b/railties/lib/rails/generators/app_base.rb
@@ -0,0 +1,176 @@
+require 'digest/md5'
+require 'active_support/secure_random'
+require 'rails/version' unless defined?(Rails::VERSION)
+require 'rbconfig'
+require 'open-uri'
+require 'uri'
+
+module Rails
+  module Generators
+    class AppBase < Base
+      DATABASES = %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
+      JAVASCRIPTS = %w( prototype jquery )
+
+      attr_accessor :rails_template
+      add_shebang_option!
+
+      argument :app_path,               :type => :string
+
+      def self.add_shared_options_for(name)
+        class_option :builder,            :type => :string, :aliases => "-b",
+                                          :desc => "Path to a #{name} builder (can be a filesystem path or URL)"
+
+        class_option :template,           :type => :string, :aliases => "-m",
+                                          :desc => "Path to an #{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_git,           :type => :boolean, :aliases => "-G", :default => false,
+                                          :desc => "Skip Git ignores and keeps"
+
+        class_option :skip_active_record, :type => :boolean, :aliases => "-O", :default => false,
+                                          :desc => "Skip Active Record files"
+
+        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 => "prototype",
+                                          :desc => "Preconfigure for selected javascript library (options: #{JAVASCRIPTS.join('/')})"
+
+        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 :help,               :type => :boolean, :aliases => "-h", :group => :rails,
+                                          :desc => "Show this help message and quit"
+      end
+
+      def initialize(*args)
+        @original_wd = Dir.pwd
+
+        super
+      end
+
+    protected
+
+      def builder
+        @builder ||= begin
+          if path = options[:builder]
+            if URI(path).is_a?(URI::HTTP)
+              contents = open(path, "Accept" => "application/x-thor-template") {|io| io.read }
+            else
+              contents = open(File.expand_path(path, @original_wd)) {|io| io.read }
+            end
+
+            prok = eval("proc { #{contents} }", TOPLEVEL_BINDING, path, 1)
+            instance_eval(&prok)
+          end
+
+          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
+        self.destination_root = File.expand_path(app_path, destination_root)
+        valid_const?
+
+        empty_directory '.'
+        set_default_accessors!
+        FileUtils.cd(destination_root) unless options[:pretend]
+      end
+
+      def apply_rails_template
+        apply rails_template if rails_template
+      rescue Thor::Error, LoadError, Errno::ENOENT => e
+        raise Error, "The template [#{rails_template}] could not be loaded. Error: #{e}"
+      end
+
+      def set_default_accessors!
+        self.rails_template = case options[:template]
+          when /^http:\/\//
+            options[:template]
+          when String
+            File.expand_path(options[:template], Dir.pwd)
+          else
+            options[:template]
+        end
+      end
+
+      def database_gemfile_entry
+        entry = ""
+        unless options[:skip_active_record]
+          entry = "gem '#{gem_for_database}'"
+          entry << ", :require => '#{require_for_database}'" if require_for_database
+        end
+        entry
+      end
+
+      def rails_gemfile_entry
+        if options.dev?
+          <<-GEMFILE
+gem 'rails', :path => '#{Rails::Generators::RAILS_DEV_PATH}'
+gem 'arel',  :git => 'git://github.com/rails/arel.git'
+gem "rack", :git => "git://github.com/rack/rack.git"
+          GEMFILE
+        elsif options.edge?
+          <<-GEMFILE
+gem 'rails', :git => 'git://github.com/rails/rails.git'
+gem 'arel',  :git => 'git://github.com/rails/arel.git'
+gem "rack", :git => "git://github.com/rack/rack.git"
+          GEMFILE
+        else
+          <<-GEMFILE
+gem 'rails', '#{Rails::VERSION::STRING}'
+
+# Bundle edge Rails instead:
+# gem 'rails', :git => 'git://github.com/rails/rails.git'
+# gem 'arel',  :git => 'git://github.com/rails/arel.git'
+# gem "rack", :git => "git://github.com/rack/rack.git"
+          GEMFILE
+        end
+      end
+
+      def gem_for_database
+        # %w( mysql oracle postgresql sqlite3 frontbase ibm_db )
+        case options[:database]
+        when "oracle"     then "ruby-oci8"
+        when "postgresql" then "pg"
+        when "sqlite3"    then "sqlite3-ruby"
+        when "frontbase"  then "ruby-frontbase"
+        when "mysql"      then "mysql2"
+        else options[:database]
+        end
+      end
+
+      def require_for_database
+        case options[:database]
+        when "sqlite3" then "sqlite3"
+        end
+      end
+
+      def bundle_if_dev_or_edge
+        bundle_command = File.basename(Thor::Util.ruby_command).sub(/ruby/, 'bundle')
+        run "#{bundle_command} install" if dev_or_edge?
+      end
+
+      def dev_or_edge?
+        options.dev? || options.edge?
+      end
+    end
+  end
+end