1 files changed, 70 insertions, 0 deletions
diff --git a/railties/lib/rails/tasks/documentation.rake b/railties/lib/rails/tasks/documentation.rake
new file mode 100644
index 0000000000..8544890553
--- /dev/null
+++ b/railties/lib/rails/tasks/documentation.rake
@@ -0,0 +1,70 @@
+begin
+  require 'rdoc/task'
+rescue LoadError
+  # Rubinius installs RDoc as a gem, and for this interpreter "rdoc/task" is
+  # available only if the application bundle includes "rdoc" (normally as a
+  # dependency of the "sdoc" gem.)
+  #
+  # If RDoc is not available it is fine that we do not generate the tasks that
+  # depend on it. Just be robust to this gotcha and go on.
+else
+  require 'rails/api/task'
+
+  # Monkey-patch to remove redoc'ing and clobber descriptions to cut down on rake -T noise
+  class RDocTaskWithoutDescriptions < RDoc::Task
+    include ::Rake::DSL
+
+    def define
+      task rdoc_task_name
+
+      task rerdoc_task_name => [clobber_task_name, rdoc_task_name]
+
+      task clobber_task_name do
+        rm_r rdoc_dir rescue nil
+      end
+
+      task :clobber => [clobber_task_name]
+
+      directory @rdoc_dir
+      task rdoc_task_name => [rdoc_target]
+      file rdoc_target => @rdoc_files + [Rake.application.rakefile] do
+        rm_r @rdoc_dir rescue nil
+        @before_running_rdoc.call if @before_running_rdoc
+        args = option_list + @rdoc_files
+        if @external
+          argstring = args.join(' ')
+          sh %{ruby -Ivendor vendor/rd #{argstring}}
+        else
+          require 'rdoc/rdoc'
+          RDoc::RDoc.new.document(args)
+        end
+      end
+      self
+    end
+  end
+
+  namespace :doc do
+    RDocTaskWithoutDescriptions.new("app") { |rdoc|
+      rdoc.rdoc_dir = 'doc/app'
+      rdoc.template = ENV['template'] if ENV['template']
+      rdoc.title    = ENV['title'] || "Rails Application Documentation"
+      rdoc.options << '--line-numbers'
+      rdoc.options << '--charset' << 'utf-8'
+      rdoc.rdoc_files.include('README.rdoc')
+      rdoc.rdoc_files.include('app/**/*.rb')
+      rdoc.rdoc_files.include('lib/**/*.rb')
+    }
+    Rake::Task['doc:app'].comment = "Generate docs for the app -- also available doc:rails, doc:guides (options: TEMPLATE=/rdoc-template.rb, TITLE=\"Custom Title\")"
+
+    # desc 'Generate documentation for the Rails framework.'
+    Rails::API::AppTask.new('rails')
+  end
+end
+
+namespace :doc do
+  task :guides do
+    rails_gem_dir = Gem::Specification.find_by_name("rails").gem_dir
+    require File.expand_path(File.join(rails_gem_dir, "/guides/rails_guides"))
+    RailsGuides::Generator.new(Rails.root.join("doc/guides")).generate
+  end
+end