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?? ..
?? available_set.rb(3.01 KB)
?? basic_specification.rb(7.65 KB)
?? bundler_version_finder.rb(1.98 KB)
?? command.rb(15.82 KB)
?? command_manager.rb(5.24 KB)
?? commands
?? compatibility.rb(1 KB)
?? config_file.rb(13.23 KB)
?? core_ext
?? defaults
?? defaults.rb(6.58 KB)
?? dependency.rb(8.59 KB)
?? dependency_installer.rb(10.22 KB)
?? dependency_list.rb(5.54 KB)
?? deprecate.rb(4.87 KB)
?? doctor.rb(3.13 KB)
?? errors.rb(4.52 KB)
?? exceptions.rb(7.13 KB)
?? ext
?? ext.rb(497 B)
?? gem_runner.rb(1.79 KB)
?? gemcutter_utilities.rb(8.88 KB)
?? indexer.rb(10.89 KB)
?? install_default_message.rb(348 B)
?? install_message.rb(322 B)
?? install_update_options.rb(6.35 KB)
?? installer.rb(26.76 KB)
?? installer_uninstaller_utils.rb(773 B)
?? local_remote_options.rb(3.56 KB)
?? mock_gem_ui.rb(1.38 KB)
?? name_tuple.rb(2.39 KB)
?? openssl.rb(125 B)
?? optparse
?? optparse.rb(72 B)
?? package
?? package.rb(17.72 KB)
?? package_task.rb(3.79 KB)
?? path_support.rb(1.78 KB)
?? platform.rb(7.61 KB)
?? psych_tree.rb(794 B)
?? query_utils.rb(8.5 KB)
?? rdoc.rb(231 B)
?? remote_fetcher.rb(9.2 KB)
?? request
?? request.rb(8.6 KB)
?? request_set
?? request_set.rb(11.3 KB)
?? requirement.rb(6.91 KB)
?? resolver
?? resolver.rb(9.64 KB)
?? s3_uri_signer.rb(5.91 KB)
?? safe_yaml.rb(1.51 KB)
?? security
?? security.rb(22.39 KB)
?? security_option.rb(1.06 KB)
?? source
?? source.rb(5.58 KB)
?? source_list.rb(2.41 KB)
?? spec_fetcher.rb(6.36 KB)
?? specification.rb(70.8 KB)
?? specification_policy.rb(12.87 KB)
?? ssl_certs
?? stub_specification.rb(4.48 KB)
?? text.rb(1.98 KB)
?? tsort
?? tsort.rb(66 B)
?? uninstaller.rb(10.2 KB)
?? unknown_command_spell_checker.rb(411 B)
?? uri.rb(2.33 KB)
?? uri_formatter.rb(781 B)
?? user_interaction.rb(13.01 KB)
?? util
?? util.rb(2.5 KB)
?? validator.rb(3.65 KB)
?? version.rb(12.57 KB)
?? version_option.rb(2.21 KB)

Editing: command_manager.rb

# frozen_string_literal: true
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require_relative "command"
require_relative "user_interaction"
require_relative "text"

##
# The command manager registers and installs all the individual sub-commands
# supported by the gem command.
#
# Extra commands can be provided by writing a rubygems_plugin.rb
# file in an installed gem.  You should register your command against the
# Gem::CommandManager instance, like this:
#
#   # file rubygems_plugin.rb
#   require 'rubygems/command_manager'
#
#   Gem::CommandManager.instance.register_command :edit
#
# You should put the implementation of your command in rubygems/commands.
#
#   # file rubygems/commands/edit_command.rb
#   class Gem::Commands::EditCommand < Gem::Command
#     # ...
#   end
#
# See Gem::Command for instructions on writing gem commands.

class Gem::CommandManager
  include Gem::Text
  include Gem::UserInteraction

BUILTIN_COMMANDS = [ # :nodoc:
    :build,
    :cert,
    :check,
    :cleanup,
    :contents,
    :dependency,
    :environment,
    :fetch,
    :generate_index,
    :help,
    :info,
    :install,
    :list,
    :lock,
    :mirror,
    :open,
    :outdated,
    :owner,
    :pristine,
    :push,
    :query,
    :rdoc,
    :search,
    :server,
    :signin,
    :signout,
    :sources,
    :specification,
    :stale,
    :uninstall,
    :unpack,
    :update,
    :which,
    :yank,
  ].freeze

ALIAS_COMMANDS = {
    "i"      => "install",
    "login"  => "signin",
    "logout" => "signout",
  }.freeze

##
  # Return the authoritative instance of the command manager.

def self.instance
    @command_manager ||= new
  end

##
  # Returns self. Allows a CommandManager instance to stand
  # in for the class itself.

def instance
    self
  end

##
  # Reset the authoritative instance of the command manager.

def self.reset
    @command_manager = nil
  end

##
  # Register all the subcommands supported by the gem command.

def initialize
    require "timeout"
    @commands = {}

BUILTIN_COMMANDS.each do |name|
      register_command name
    end
  end

##
  # Register the Symbol +command+ as a gem command.

def register_command(command, obj=false)
    @commands[command] = obj
  end

##
  # Unregister the Symbol +command+ as a gem command.

def unregister_command(command)
    @commands.delete command
  end

##
  # Returns a Command instance for +command_name+

def [](command_name)
    command_name = command_name.intern
    return nil if @commands[command_name].nil?
    @commands[command_name] ||= load_and_instantiate(command_name)
  end

##
  # Return a sorted list of all command names as strings.

def command_names
    @commands.keys.collect {|key| key.to_s }.sort
  end

##
  # Run the command specified by +args+.

def run(args, build_args=nil)
    process_args(args, build_args)
  rescue StandardError, Timeout::Error => ex
    if ex.respond_to?(:detailed_message)
      msg = ex.detailed_message(highlight: false).sub(/\A(.*?)(?: $.+?$)/) { $1 }
    else
      msg = ex.message
    end
    alert_error clean_text("While executing gem ... (#{ex.class})\n    #{msg}")
    ui.backtrace ex

terminate_interaction(1)
  rescue Interrupt
    alert_error clean_text("Interrupted")
    terminate_interaction(1)
  end

def process_args(args, build_args=nil)
    if args.empty?
      say Gem::Command::HELP
      terminate_interaction 1
    end

case args.first
    when "-h", "--help" then
      say Gem::Command::HELP
      terminate_interaction 0
    when "-v", "--version" then
      say Gem::VERSION
      terminate_interaction 0
    when /^-/ then
      alert_error clean_text("Invalid option: #{args.first}. See 'gem --help'.")
      terminate_interaction 1
    else
      cmd_name = args.shift.downcase
      cmd = find_command cmd_name
      cmd.deprecation_warning if cmd.deprecated?
      cmd.invoke_with_build_args args, build_args
    end
  end

def find_command(cmd_name)
    cmd_name = find_alias_command cmd_name

possibilities = find_command_possibilities cmd_name

if possibilities.size > 1
      raise Gem::CommandLineError,
            "Ambiguous command #{cmd_name} matches [#{possibilities.join(', ')}]"
    elsif possibilities.empty?
      raise Gem::UnknownCommandError.new(cmd_name)
    end

self[possibilities.first]
  end

def find_alias_command(cmd_name)
    alias_name = ALIAS_COMMANDS[cmd_name]
    alias_name ? alias_name : cmd_name
  end

def find_command_possibilities(cmd_name)
    len = cmd_name.length

found = command_names.select {|name| cmd_name == name[0, len] }

exact = found.find {|name| name == cmd_name }

exact ? [exact] : found
  end

private

def load_and_instantiate(command_name)
    command_name = command_name.to_s
    const_name = command_name.capitalize.gsub(/_(.)/) { $1.upcase } << "Command"
    load_error = nil

begin
      begin
        require "rubygems/commands/#{command_name}_command"
      rescue LoadError => e
        load_error = e
      end
      Gem::Commands.const_get(const_name).new
    rescue Exception => e
      e = load_error if load_error

alert_error clean_text("Loading command: #{command_name} (#{e.class})\n\t#{e}")
      ui.backtrace e
    end
  end
end

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Editing: command_manager.rb

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