vagrant/plugins/commands/plugin/command/list.rb

require 'optparse'

require_relative "base"

module VagrantPlugins
  module CommandPlugin
    module Command
      class List < Base
        def execute
          opts = OptionParser.new do |o|
            o.banner = "Usage: vagrant plugin list [-h]"

            # Stub option to allow Vagrantfile loading
            o.on("--local", "Include local plugins"){|_|}
          end

          # Parse the options
          argv = parse_options(opts)
          return if !argv
          raise Vagrant::Errors::CLIInvalidUsage, help: opts.help.chomp if argv.length > 0

          # List the installed plugins
          action(Action.action_list)

          # Success, exit status 0
          0
        end
      end
    end
  end
end