Faster capistrano deploy with skipping bundler and asset precompilation

If you guys use git then you can use the following script in you deploy.rb to override the default behavior if asset pre compilation and bundle install.

	namespace :bundler do
	desc "Install bundles into application"
	task :install, :roles => [:app] do
	from = source.next_revision(current_revision)
	if capture("cd #{latest_release} && #{source.local.log(from)} Gemfile Gemfile.lock | wc -l").to_i > 0
	run "cd #{latest_release} && #{try_sudo} bundle install --without test"
	else
	logger.info "Skipping Bundle install because there were no asset changes"
	end
	end
	end
	namespace :deploy do
	namespace :assets do
	task :precompile, :roles => :web, :except => { :no_release => true } do
	from = source.next_revision(current_revision)
	if capture("cd #{latest_release} && #{source.local.log(from)} vendor/assets/ app/assets/ | 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"
	end
	end
	end
	end

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