desc "Lock this application to the current gems (by unpacking them into vendor/rails)" task :freeze_gems do rm_rf "vendor/rails" mkdir_p "vendor/rails" deps = %w( actionpack activerecord actionmailer activesupport actionwebservice ) if version = ENV['VERSION'] puts "Freezing to the gems for Rails #{version}" require 'rubygems' if rails = Gem.cache.search('rails', "= #{version}") rails.dependencies.select { |g| deps.include? g.name }.each do |g| system "cd vendor/rails; gem unpack -v '#{g.version_requirements}' #{g.name}; mv #{g.name}* #{g.name}" end system "cd vendor/rails; gem unpack -v '= #{version}' rails" else puts "No rails gem version #{version} is installed. Do 'gem list rails' to see which versions you have available." exit end else puts "Freezing to your latest Rails gems" for gem in deps system "cd vendor/rails; gem unpack #{gem}" FileUtils.mv(Dir.glob("vendor/rails/#{gem}*").first, "vendor/rails/#{gem}") end system "cd vendor/rails; gem unpack rails" end FileUtils.mv(Dir.glob("vendor/rails/rails*").first, "vendor/rails/railties") end desc "Lock this application to the Edge Rails (by exporting from Subversion). Defaults to svn HEAD; do 'rake freeze_edge REVISION=1234' to lock to a specific revision." task :freeze_edge do $verbose = false `svn --version` unless $?.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" revision_switch = ENV['REVISION'] ? " -r #{ENV['REVISION']}" : '' for framework in %w( railties actionpack activerecord actionmailer activesupport actionwebservice ) mkdir_p "vendor/rails/#{framework}" system "svn export http://dev.rubyonrails.org/svn/rails/trunk/#{framework}/lib vendor/rails/#{framework}/lib #{revision_switch}" end end desc "Unlock this application from freeze of gems or edge and return to a fluid use of system gems" task :unfreeze_rails do rm_rf "vendor/rails" end