asset_compile_skip

gistfile1.txt

set :asset_env, "RAILS_GROUPS=assets"
set :asset_directory, 'public/assets'
set :assets_dependencies, %w(app/assets lib/assets vendor/assets Gemfile.lock config/routes.rb)

after 'deploy:update_code', 'deploy:assets'

namespace :deploy do
  task :assets, :roles => :web, :except => { :no_release => true } do
    from = source.next_revision(current_revision)
    if capture("cd #{latest_release} && #{source.local.log(from)} #{assets_dependencies.join ' '} | wc -l").to_i > 0
      run %Q{cd #{latest_release} && #{rake} RAILS_ENV=#{rails_env} #{asset_env} assets:precompile}
    else
      logger.info "Skipping asset pre-compilation because there were no asset changes"
      run "cp -R #{previous_release}/#{asset_directory} #{latest_release}/#{asset_directory}"
    end
  end
end