big pimpin' irbrc

.irbrc

# Color definitions
ANSI = {}
ANSI[:RESET]     = "\e[0m"
ANSI[:BOLD]      = "\e[1m"
ANSI[:UNDERLINE] = "\e[4m"
ANSI[:LGRAY]     = "\e[0;37m"
ANSI[:GRAY]      = "\e[1;30m"
ANSI[:RED]       = "\e[31m"
ANSI[:GREEN]     = "\e[32m"
ANSI[:YELLOW]    = "\e[33m"
ANSI[:BLUE]      = "\e[34m"
ANSI[:MAGENTA]   = "\e[35m"
ANSI[:CYAN]      = "\e[36m"
ANSI[:WHITE]     = "\e[37m"

# IRB Options
IRB.conf[:AUTO_INDENT] = true
IRB.conf[:SAVE_HISTORY] = 1000
IRB.conf[:EVAL_HISTORY] = 200

IRB.conf[:PROMPT][:SIMPLE_COLOR] = {
  :PROMPT_I => "#{ANSI[:CYAN]}>>#{ANSI[:RESET]} ",
  :PROMPT_N => "#{ANSI[:CYAN]}>>#{ANSI[:RESET]} ",
  :PROMPT_C => "#{ANSI[:RED]}>>#{ANSI[:RESET]} ",
  :PROMPT_S => "#{ANSI[:YELLOW]}>>#{ANSI[:RESET]} ",
  :RETURN   => "#{ANSI[:GREEN]}>>#{ANSI[:RESET]} %s\n",
  :AUTO_INDENT => true }
IRB.conf[:PROMPT_MODE] = :SIMPLE_COLOR

def extend_console(name, care = true, required = true)
  if care
    require name if required
    yield if block_given?
    $console_extensions << "#{ANSI[:GREEN]}#{name}#{ANSI[:RESET]}"
  else
    $console_extensions << "#{ANSI[:GRAY]}#{name}#{ANSI[:RESET]}"
  end
rescue LoadError
  $console_extensions << "#{ANSI[:RED]}#{name}#{ANSI[:RESET]}"
end
$console_extensions = []

# Wirble
extend_console 'wirble' do
  Wirble.init(:history_uniq => false)
  Wirble.colorize
end

# Awesome Print
extend_console 'ap'

# Factory Girl
extend_console 'factory_girl' do
  def enable_factories
    paths = ['test/factories', 'spec/factories']
    Factory.definition_file_paths = paths.inject([]) { |s,i| s << Rails.root.join(i) }
    Factory.find_definitions 
  end
end

extend_console 'rails3', defined?(ActiveSupport::Notifications), false do
  $odd_or_even_queries = false
  ActiveSupport::Notifications.subscribe('sql.active_record') do |*args|
    $odd_or_even_queries = !$odd_or_even_queries
    color = $odd_or_even_queries ? ANSI[:CYAN] : ANSI[:MAGENTA]
    event = ActiveSupport::Notifications::Event.new(*args)
    time  = "%.1fms" % event.duration
    name  = event.payload[:name]
    sql   = event.payload[:sql].gsub("\n", " ").squeeze(" ")
    puts "  #{ANSI[:UNDERLINE]}#{color}#{name} (#{time})#{ANSI[:RESET]}  #{sql}"
  end
end

# Rails 2
if ENV.include?('RAILS_ENV') && !Object.const_defined?('RAILS_DEFAULT_LOGGER')
  require 'logger'
  RAILS_DEFAULT_LOGGER = Logger.new(STDOUT)
elsif defined?(Rails) # Rails 3
  #require 'logger'
  #Rails.logger = Logger.new(STDOUT)
  #ActiveRecord::Base.logger = Rails.logger
end

# Easily print methods local to an object's class
class Object
  def local_methods
    (methods - Object.instance_methods).sort
  end
end

# copy a string to clipboard
def pbcopy(string)
  `echo "#{string}" | pbcopy`
  string
end

puts "#{ANSI[:GRAY]}~> Console extensions:#{ANSI[:RESET]}\n  -- #{$console_extensions.join("\n  -- ")}#{ANSI[:RESET]}\n"

cobbled together from different sources. the extend_console idea comes from patmcnally (who says he can't take credit for it, but great idea none the less)