rails--rails/railties/lib/rails/cli.rb

require "rails/app_loader"

# If we are inside a Rails application this method performs an exec and thus
# the rest of this script is not run.
Rails::AppLoader.exec_app

require "rails/ruby_version_check"
Signal.trap("INT") { puts; exit(1) }

if ARGV.first == "plugin"
  ARGV.shift
  require "rails/commands/plugin"
else
  require "rails/commands/application"
end