Automatically print tasks description wrapping the execution of the task.

description_printer.rb

# Automatically print tasks description wrapping the execution of
  # the task.
  module Capistrano::Configuration::Namespaces
    alias_method :_task, :task
    def task(name, options = {}, &block)
      desc  = next_description
      full_task_name = [fully_qualified_name, name].compact.join(':')

      $column = 0
      $last_was_after = true
      before full_task_name do
        if desc
          print "\n" unless $last_was_after
          $column.times { print "*".magenta + "   " }
          print "-->".magenta + " #{desc} "
          $column += 1
          $last_was_after = false
        end
      end

      after full_task_name do
        if desc
          $column -= 1
          $column.times { print "*".magenta + "   " } if $last_was_after
          puts "Done".green
          $last_was_after = true
        end
      end

      _task(name, options, &block)
    end
  end