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' Gem.manage_gems 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 or a specific revision with REVISION=X (ex: REVISION=4021) or a tag with TAG=Y (ex: TAG=rel_1-1-0)" task :edge do $verbose = false `svn --version` rescue nil unless !$?.nil? && $?.success? $stderr.puts "ERROR: Must have subversion (svn) available in the PATH to lock this application to Edge Rails" exit 1 end rm_rf "vendor/rails" mkdir_p "vendor/rails" svn_root = "http://dev.rubyonrails.org/svn/rails/" if ENV['TAG'] rails_svn = "#{svn_root}/tags/#{ENV['TAG']}" touch "vendor/rails/TAG_#{ENV['TAG']}" else rails_svn = "#{svn_root}/trunk" if ENV['REVISION'].nil? ENV['REVISION'] = /^r(\d+)/.match(%x{svn -qr HEAD log #{svn_root}})[1] puts "REVISION not set. Using HEAD, which is revision #{ENV['REVISION']}." end touch "vendor/rails/REVISION_#{ENV['REVISION']}" end for framework in %w(railties actionpack activerecord actionmailer activesupport activeresource) system "svn export #{rails_svn}/#{framework} vendor/rails/#{framework}" + (ENV['REVISION'] ? " -r #{ENV['REVISION']}" : "") end 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:scripts", "update:javascripts", "update:configs" ] namespace :update do desc "Add new scripts to the application script/ directory" task :scripts do local_base = "script" edge_base = "#{File.dirname(__FILE__)}/../../bin" local = Dir["#{local_base}/**/*"].reject { |path| File.directory?(path) } edge = Dir["#{edge_base}/**/*"].reject { |path| File.directory?(path) } edge.each do |script| base_name = script[(edge_base.length+1)..-1] next if base_name == "rails" next if local.detect { |path| base_name == path[(local_base.length+1)..-1] } if !File.directory?("#{local_base}/#{File.dirname(base_name)}") mkdir_p "#{local_base}/#{File.dirname(base_name)}" end install script, "#{local_base}/#{base_name}", :mode => 0755 end end desc "Update your javascripts from your current rails install" task :javascripts do require 'railties_path' project_dir = RAILS_ROOT + '/public/javascripts/' scripts = Dir[RAILTIES_PATH + '/html/javascripts/*.js'] scripts.reject!{|s| File.basename(s) == 'application.js'} if File.exists?(project_dir + 'application.js') FileUtils.cp(scripts, project_dir) end desc "Update config/boot.rb from your current rails install" task :configs do require 'railties_path' FileUtils.cp(RAILTIES_PATH + '/environments/boot.rb', RAILS_ROOT + '/config/boot.rb') end end end