class RSpec::Core::Parser

def convert_deprecated_args(args)
  args.map! { |arg|
    case arg
    when "--formatter"
      RSpec.deprecate("The `--formatter` option", :replacement => "-f or --format", :call_site => nil)
      "--format"
    when "--default_path"
      RSpec.deprecate("The `--default_path` option", :replacement => "--default-path", :call_site => nil)
      "--default-path"
    when "--line_number"
      "--line-number"
    else
      arg
    end
  }
end