vendor/rails/railties/lib/commands/console.rb

   1 irb = RUBY_PLATFORM =~ /(:?mswin|mingw)/ ? 'irb.bat' : 'irb'
   2
   3 require 'optparse'
   4
   5 options = { :sandbox => false, :irb => irb }
   6 OptionParser.new do |opt|
   7   opt.banner = "Usage: console [environment] [options]"
   8   opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
   9   opt.on("--irb=[#{irb}]", 'Invoke a different irb.') { |v| options[:irb] = v }
  10   opt.on("--debugger", 'Enable ruby-debugging for the console.') { |v| options[:debugger] = v }
  11   opt.parse!(ARGV)
  12 end
  13
  14 libs =  " -r irb/completion"
  15 libs << %( -r "#{RAILS_ROOT}/config/environment")
  16 libs << " -r console_app"
  17 libs << " -r console_sandbox" if options[:sandbox]
  18 libs << " -r console_with_helpers"
  19
  20 if options[:debugger]
  21   begin
  22     require 'ruby-debug'
  23     libs << " -r ruby-debug"
  24     puts "=> Debugger enabled"
  25   rescue Exception
  26     puts "You need to install ruby-debug to run the console in debugging mode. With gems, use 'gem install ruby-debug'"
  27     exit
  28   end
  29 end
  30
  31 ENV['RAILS_ENV'] = case ARGV.first
  32   when "p"; "production"
  33   when "d"; "development"
  34   when "t"; "test"
  35   else
  36     ARGV.first || ENV['RAILS_ENV'] || 'development'
  37 end
  38
  39 if options[:sandbox]
  40   puts "Loading #{ENV['RAILS_ENV']} environment in sandbox (Rails #{Rails.version})"
  41   puts "Any modifications you make will be rolled back on exit"
  42 else
  43   puts "Loading #{ENV['RAILS_ENV']} environment (Rails #{Rails.version})"
  44 end
  45 exec "#{options[:irb]} #{libs} --simple-prompt"