namespace :deploy do namespace :assets do task :precompile, :roles => :web, :except => { :no_release => true } do assets_path = File.join(release_path, "public/assets") assets_empty = capture("ls -x #{assets_path}").length == 0 has_current_release = capture("if [ -d #{current_path} ]; then echo -n \"yes\"; fi") == "yes" compile_assets = false if has_current_release from = source.next_revision(current_revision) if capture("cd #{latest_release} && #{source.local.log(from)} vendor/assets/ lib/assets/ app/assets/ | wc -l").to_i > 0 compile_assets = true end end if compile_assets or assets_empty run_locally("rake assets:clean && rake assets:precompile") run_locally "cd public && tar -jcf assets.tar.bz2 assets" top.upload "public/assets.tar.bz2", "#{shared_path}", :via => :scp run "cd #{shared_path} && tar -jxf assets.tar.bz2 && rm assets.tar.bz2" run_locally "rm public/assets.tar.bz2" run_locally("rake assets:clean") else logger.info "Skipping asset pre-compilation because there were no asset changes" end end end end