With this change it will be possible to add additional options to the `option_parser` like this:
require 'rails/commands/server'
module Rails
class Server < ::Rack::Server
class Options
def option_parser_with_open(options)
parser = option_parser_without_open options
parser.on('-o', '--open', 'Open in default browser') { options[:open] = true }
parser
end
alias_method_chain :option_parser, :open
end
def start_with_open
start_without_open do
`open http://localhost:3000` if options[:open]
end
end
alias_method_chain :start, :open
end
end
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