Gem::Commands::OpenCommand.new

# File tmp/rubies/ruby-3.0.5/lib/rubygems/commands/open_command.rb, line 8
def initialize
  super 'open', 'Open gem sources in editor'

  add_option('-e', '--editor COMMAND', String,
             "Prepends COMMAND to gem path. Could be used to specify editor.") do |command, options|
    options[:editor] = command || get_env_editor
  end
  add_option('-v', '--version VERSION', String,
             "Opens specific gem version") do |version|
    options[:version] = version
  end
end