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require 'optparse'
require 'irb'
require 'irb/completion'
module Rails
class Console
attr_reader :options, :app, :console, :arguments
def self.start(*args)
new(*args).start
end
def initialize(app, arguments = ARGV)
@app = app
@arguments = arguments
app.load_console
@console = app.config.console || IRB
end
def options
@options ||= begin
options = {}
OptionParser.new do |opt|
opt.banner = "Usage: 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 ruby debugging for the console.') { |v| options[:debugger] = v }
opt.parse!(arguments)
end
options
end
end
def sandbox?
options[:sandbox]
end
def environment?
options[:environment]
end
def set_environment!
Rails.env = options[: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
begin
require 'debugger'
puts "=> Debugger enabled"
rescue Exception
puts "You need to install a debugger to run the console in debugging mode. With gems, use 'gem install debugger'"
exit
end
end
end
end
# Has to set the RAILS_ENV before config/application is required
if ARGV.first && !ARGV.first.index("-") && env = ARGV.shift # has to shift the env ARGV so IRB doesn't freak
ENV['RAILS_ENV'] = %w(production development test).detect {|e| e =~ /^#{env}/} || env
end
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