namespace :rails do namespace :freeze do desc "Lock this application to the current gems (by unpacking them into vendor/rails)" task :gems do deps = %w(actionpack activerecord actionmailer activesupport activeresource) require 'rubygems' require 'rubygems/gem_runner' rails = (version = ENV['VERSION']) ? Gem.cache.find_name('rails', "= #{version}").first : Gem.cache.find_name('rails').sort_by { |g| g.version }.last version ||= rails.version unless rails puts "No rails gem #{version} is installed. Do 'gem list rails' to see what you have available." exit end puts "Freezing to the gems for Rails #{rails.version}" rm_rf "vendor/rails" mkdir_p "vendor/rails" begin chdir("vendor/rails") do rails.dependencies.select { |g| deps.include? g.name }.each do |g| Gem::GemRunner.new.run(["unpack", g.name, "--version", g.version_requirements.to_s]) mv(Dir.glob("#{g.name}*").first, g.name) end Gem::GemRunner.new.run(["unpack", "rails", "--version", "=#{version}"]) FileUtils.mv(Dir.glob("rails*").first, "railties") end rescue Exception rm_rf "vendor/rails" raise end end desc 'Lock to latest Edge Rails, for a specific release use RELEASE=1.2.0' task :edge do require 'open-uri' version = ENV["RELEASE"] || "edge" target = "rails_#{version}.zip" commits = "http://github.com/api/v1/yaml/rails/rails/commits/master" url = "http://dev.rubyonrails.org/archives/#{target}" chdir 'vendor' do latest_revision = YAML.load(open(commits))["commits"].first["id"] puts "Downloading Rails from #{url}" File.open('rails.zip', 'wb') do |dst| open url do |src| while chunk = src.read(4096) dst << chunk end end end puts 'Unpacking Rails' rm_rf 'rails' `unzip rails.zip` %w(rails.zip rails/Rakefile rails/cleanlogs.sh rails/pushgems.rb rails/release.rb).each do |goner| rm_f goner end touch "rails/REVISION_#{latest_revision}" end puts 'Updating current scripts, javascripts, and configuration settings' Rake::Task['rails:update'].invoke end end desc "Unlock this application from freeze of gems or edge and return to a fluid use of system gems" task :unfreeze do rm_rf "vendor/rails" end desc "Update both configs, scripts and public/javascripts from Rails" task :update => [ "update:configs", "update:javascripts", "update:scripts", "update:application_controller" ] desc "Applies the template supplied by LOCATION=/path/to/template" task :template do template = ENV["LOCATION"] template = File.expand_path(template) if template !~ %r{\A[A-Za-z][A-Za-z0-9+\-\.]*://} require 'rails/generators' require 'generators/rails/app/app_generator' generator = Rails::Generators::AppGenerator.new [ Rails.root ], {}, :destination_root => Rails.root generator.apply template, :verbose => false end namespace :update do def invoke_from_app_generator(method) require 'rails/generators' require 'generators/rails/app/app_generator' generator = Rails::Generators::AppGenerator.new ["rails"], { :with_dispatchers => true }, :destination_root => Rails.root generator.invoke(method) end desc "Update config/boot.rb from your current rails install" task :configs do invoke_from_app_generator :create_boot_file invoke_from_app_generator :create_config_files end desc "Update Prototype javascripts from your current rails install" task :javascripts do invoke_from_app_generator :create_prototype_files end desc "Add new scripts to the application script/ directory" task :scripts do invoke_from_app_generator :create_script_files end desc "Rename application.rb to application_controller.rb" task :application_controller do old_style = Rails.root + '/app/controllers/application.rb' new_style = Rails.root + '/app/controllers/application_controller.rb' if File.exists?(old_style) && !File.exists?(new_style) FileUtils.mv(old_style, new_style) puts "#{old_style} has been renamed to #{new_style}, update your SCM as necessary" end end end end