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ruby on rails web敏捷开发之路第二版 源代码

#!/Users/dave/ruby1.8/bin/ruby
irb = RUBY_PLATFORM =~ /mswin32/ ? 'irb.bat' : 'irb'

require 'optparse'
options = {}
OptionParser.new do |opt|
  opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |options[:sandbox]| }
  opt.parse!(ARGV)
end

libs =  " -r #{File.dirname(__FILE__)}/../config/environment"
libs << " -r #{File.dirname(__FILE__)}/console_sandbox" if options[:sandbox]
libs << " -r irb/completion"

ENV['RAILS_ENV'] = ARGV.first || 'development'
if options[:sandbox]
  puts "Loading #{ENV['RAILS_ENV']} environment in sandbox."
  puts "Any modifications you make will be rolled back on exit."
else
  puts "Loading #{ENV['RAILS_ENV']} environment."
end
exec "#{irb} #{libs}"