require 'optparse'
require 'irb'
require 'irb/completion'
module Rails
class Console
class << self
def start(*args)
new(*args).start
end
def parse_arguments(arguments)
options = {}
OptionParser.new do |opt|
opt.banner = "Usage: rails console [environment] [options]"
opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
opt.on("-e", "--environment=name", String,
"Specifies the environment to run this console under (test/development/production).",
"Default: development") { |v| options[:environment] = v.strip }
opt.on("--debugger", 'Enable the debugger.') { |v| options[:debugger] = v }
opt.parse!(arguments)
end
if arguments.first && arguments.first[0] != '-'
env = arguments.first
if available_environments.include? env
options[:environment] = env
else
options[:environment] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
end
end
options
end
private
def available_environments
Dir[Rails.root.join('config', 'environments', '*.rb')].map { |fname| File.basename(fname, '.*') }
end
end
attr_reader :options, :app, :console
def initialize(app, options={})
@app = app
@options = options
app.load_console
@console = app.config.console || IRB
end
def sandbox?
options[:sandbox]
end
def environment
options[:environment] ||= ENV['RAILS_ENV'] || ENV['RACK_ENV'] || 'development'
end
def environment?
environment
end
def set_environment!
Rails.env = environment
end
def debugger?
options[:debugger]
end
def start
app.sandbox = sandbox?
require_debugger if debugger?
set_environment! if environment?
if sandbox?
puts "Loading #{Rails.env} environment in sandbox (Rails #{Rails.version})"
puts "Any modifications you make will be rolled back on exit"
else
puts "Loading #{Rails.env} environment (Rails #{Rails.version})"
end
if defined?(console::ExtendCommandBundle)
console::ExtendCommandBundle.send :include, Rails::ConsoleMethods
end
console.start
end
def require_debugger
require 'debugger'
puts "=> Debugger enabled"
rescue Exception
puts "You're missing the 'debugger' gem. Add it to your Gemfile, bundle, and try again."
exit
end
end
end