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ðŸ“ ..
ðŸ“„ available_set.rb(3.02 KB)
ðŸ“„ basic_specification.rb(7.2 KB)
ðŸ“„ command.rb(13.87 KB)
ðŸ“„ command_manager.rb(4.75 KB)
ðŸ“ commands
ðŸ“„ compatibility.rb(1.66 KB)
ðŸ“„ config_file.rb(12.91 KB)
ðŸ“ core_ext
ðŸ“„ defaults.rb(4.46 KB)
ðŸ“„ dependency.rb(8.31 KB)
ðŸ“„ dependency_installer.rb(14.07 KB)
ðŸ“„ dependency_list.rb(5.55 KB)
ðŸ“„ deprecate.rb(1.73 KB)
ðŸ“„ doctor.rb(3.06 KB)
ðŸ“„ errors.rb(4.5 KB)
ðŸ“„ exceptions.rb(6.23 KB)
ðŸ“ ext
ðŸ“„ ext.rb(461 B)
ðŸ“„ gem_runner.rb(1.99 KB)
ðŸ“„ gemcutter_utilities.rb(4.37 KB)
ðŸ“„ indexer.rb(11.04 KB)
ðŸ“„ install_default_message.rb(337 B)
ðŸ“„ install_message.rb(311 B)
ðŸ“„ install_update_options.rb(7.57 KB)
ðŸ“„ installer.rb(24.68 KB)
ðŸ“„ installer_test_case.rb(4.29 KB)
ðŸ“„ local_remote_options.rb(3.4 KB)
ðŸ“„ mock_gem_ui.rb(1.38 KB)
ðŸ“„ name_tuple.rb(2.41 KB)
ðŸ“ package
ðŸ“„ package.rb(16.61 KB)
ðŸ“„ package_task.rb(3.8 KB)
ðŸ“„ path_support.rb(1.72 KB)
ðŸ“„ platform.rb(6.25 KB)
ðŸ“„ psych_additions.rb(300 B)
ðŸ“„ psych_tree.rb(793 B)
ðŸ“„ rdoc.rb(7.74 KB)
ðŸ“„ remote_fetcher.rb(11.65 KB)
ðŸ“ request
ðŸ“„ request.rb(8.66 KB)
ðŸ“ request_set
ðŸ“„ request_set.rb(9.74 KB)
ðŸ“„ requirement.rb(6.52 KB)
ðŸ“ resolver
ðŸ“„ resolver.rb(9.05 KB)
ðŸ“„ safe_yaml.rb(1.11 KB)
ðŸ“ security
ðŸ“„ security.rb(21 KB)
ðŸ“„ server.rb(23.02 KB)
ðŸ“ source
ðŸ“„ source.rb(5.24 KB)
ðŸ“„ source_list.rb(2.53 KB)
ðŸ“„ source_local.rb(141 B)
ðŸ“„ source_specific_file.rb(123 B)
ðŸ“„ spec_fetcher.rb(6.34 KB)
ðŸ“„ specification.rb(80.5 KB)
ðŸ“ ssl_certs
ðŸ“„ stub_specification.rb(4.8 KB)
ðŸ“„ syck_hack.rb(2.12 KB)
ðŸ“„ test_case.rb(39.71 KB)
ðŸ“„ test_utilities.rb(8.63 KB)
ðŸ“„ text.rb(1.88 KB)
ðŸ“„ uninstaller.rb(8.74 KB)
ðŸ“„ uri_formatter.rb(792 B)
ðŸ“„ user_interaction.rb(14.46 KB)
ðŸ“ util
ðŸ“„ util.rb(2.6 KB)
ðŸ“„ validator.rb(4.21 KB)
ðŸ“„ version.rb(11.47 KB)
ðŸ“„ version_option.rb(1.86 KB)

Editing: command.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 'optparse'
require 'rubygems/requirement'
require 'rubygems/user_interaction'

##
# Base class for all Gem commands.  When creating a new gem command, define
# #initialize, #execute, #arguments, #defaults_str, #description and #usage
# (as appropriate).  See the above mentioned methods for details.
#
# A very good example to look at is Gem::Commands::ContentsCommand

class Gem::Command

include Gem::UserInteraction

##
  # The name of the command.

attr_reader :command

##
  # The options for the command.

attr_reader :options

##
  # The default options for the command.

attr_accessor :defaults

##
  # The name of the command for command-line invocation.

attr_accessor :program_name

##
  # A short description of the command.

attr_accessor :summary

##
  # Arguments used when building gems

def self.build_args
    @build_args ||= []
  end

def self.build_args=(value)
    @build_args = value
  end

def self.common_options
    @common_options ||= []
  end

def self.add_common_option(*args, &handler)
    Gem::Command.common_options << [args, handler]
  end

def self.extra_args
    @extra_args ||= []
  end

def self.extra_args=(value)
    case value
    when Array
      @extra_args = value
    when String
      @extra_args = value.split
    end
  end

##
  # Return an array of extra arguments for the command.  The extra arguments
  # come from the gem configuration file read at program startup.

def self.specific_extra_args(cmd)
    specific_extra_args_hash[cmd]
  end

##
  # Add a list of extra arguments for the given command.  +args+ may be an
  # array or a string to be split on white space.

def self.add_specific_extra_args(cmd,args)
    args = args.split(/\s+/) if args.kind_of? String
    specific_extra_args_hash[cmd] = args
  end

##
  # Accessor for the specific extra args hash (self initializing).

def self.specific_extra_args_hash
    @specific_extra_args_hash ||= Hash.new do |h,k|
      h[k] = Array.new
    end
  end

##
  # Initializes a generic gem command named +command+.  +summary+ is a short
  # description displayed in `gem help commands`.  +defaults+ are the default
  # options.  Defaults should be mirrored in #defaults_str, unless there are
  # none.
  #
  # When defining a new command subclass, use add_option to add command-line
  # switches.
  #
  # Unhandled arguments (gem names, files, etc.) are left in
  # <tt>options[:args]</tt>.

def initialize(command, summary=nil, defaults={})
    @command = command
    @summary = summary
    @program_name = "gem #{command}"
    @defaults = defaults
    @options = defaults.dup
    @option_groups = Hash.new { |h,k| h[k] = [] }
    @parser = nil
    @when_invoked = nil
  end

##
  # True if +long+ begins with the characters from +short+.

def begins?(long, short)
    return false if short.nil?
    long[0, short.length] == short
  end

##
  # Override to provide command handling.
  #
  # #options will be filled in with your parsed options, unparsed options will
  # be left in <tt>options[:args]</tt>.
  #
  # See also: #get_all_gem_names, #get_one_gem_name,
  # #get_one_optional_argument

def execute
    raise Gem::Exception, "generic command has no actions"
  end

##
  # Display to the user that a gem couldn't be found and reasons why
  #--
  # TODO: replace +domain+ with a parameter to suppress suggestions

def show_lookup_failure(gem_name, version, errors, domain)
    if errors and !errors.empty?
      msg = "Could not find a valid gem '#{gem_name}' (#{version}), here is why:\n".dup
      errors.each { |x| msg << "          #{x.wordy}\n" }
      alert_error msg
    else
      alert_error "Could not find a valid gem '#{gem_name}' (#{version}) in any repository"
    end

unless domain == :local then # HACK
      suggestions = Gem::SpecFetcher.fetcher.suggest_gems_from_name gem_name

unless suggestions.empty?
        alert_error "Possible alternatives: #{suggestions.join(", ")}"
      end
    end
  end

##
  # Get all gem names from the command line.

def get_all_gem_names
    args = options[:args]

if args.nil? or args.empty? then
      raise Gem::CommandLineError,
            "Please specify at least one gem name (e.g. gem build GEMNAME)"
    end

args.select { |arg| arg !~ /^-/ }
  end

##
  # Get all [gem, version] from the command line.
  #
  # An argument in the form gem:ver is pull apart into the gen name and version,
  # respectively.
  def get_all_gem_names_and_versions
    get_all_gem_names.map do |name|
      if /\A(.*):(#{Gem::Requirement::PATTERN_RAW})\z/ =~ name
        [$1, $2]
      else
        [name]
      end
    end
  end

##
  # Get a single gem name from the command line.  Fail if there is no gem name
  # or if there is more than one gem name given.

def get_one_gem_name
    args = options[:args]

if args.nil? or args.empty? then
      raise Gem::CommandLineError,
            "Please specify a gem name on the command line (e.g. gem build GEMNAME)"
    end

if args.size > 1 then
      raise Gem::CommandLineError,
            "Too many gem names (#{args.join(', ')}); please specify only one"
    end

args.first
  end

##
  # Get a single optional argument from the command line.  If more than one
  # argument is given, return only the first. Return nil if none are given.

def get_one_optional_argument
    args = options[:args] || []
    args.first
  end

##
  # Override to provide details of the arguments a command takes.  It should
  # return a left-justified string, one argument per line.
  #
  # For example:
  #
  #   def usage
  #     "#{program_name} FILE [FILE ...]"
  #   end
  #
  #   def arguments
  #     "FILE          name of file to find"
  #   end

def arguments
    ""
  end

##
  # Override to display the default values of the command options. (similar to
  # +arguments+, but displays the default values).
  #
  # For example:
  #
  #   def defaults_str
  #     --no-gems-first --no-all
  #   end

def defaults_str
    ""
  end

##
  # Override to display a longer description of what this command does.

def description
    nil
  end

##
  # Override to display the usage for an individual gem command.
  #
  # The text "[options]" is automatically appended to the usage text.

def usage
    program_name
  end

##
  # Display the help message for the command.

def show_help
    parser.program_name = usage
    say parser
  end

##
  # Invoke the command with the given list of arguments.

def invoke(*args)
    invoke_with_build_args args, nil
  end

##
  # Invoke the command with the given list of normal arguments
  # and additional build arguments.

def invoke_with_build_args(args, build_args)
    handle_options args

options[:build_args] = build_args

self.ui = Gem::SilentUI.new if options[:silent]

if options[:help] then
      show_help
    elsif @when_invoked then
      @when_invoked.call options
    else
      execute
    end
  end

##
  # Call the given block when invoked.
  #
  # Normal command invocations just executes the +execute+ method of the
  # command.  Specifying an invocation block allows the test methods to
  # override the normal action of a command to determine that it has been
  # invoked correctly.

def when_invoked(&block)
    @when_invoked = block
  end

##
  # Add a command-line option and handler to the command.
  #
  # See OptionParser#make_switch for an explanation of +opts+.
  #
  # +handler+ will be called with two values, the value of the argument and
  # the options hash.
  #
  # If the first argument of add_option is a Symbol, it's used to group
  # options in output.  See `gem help list` for an example.

def add_option(*opts, &handler) # :yields: value, options
    group_name = Symbol === opts.first ? opts.shift : :options

@option_groups[group_name] << [opts, handler]
  end

##
  # Remove previously defined command-line argument +name+.

def remove_option(name)
    @option_groups.each do |_, option_list|
      option_list.reject! { |args, _| args.any? { |x| x =~ /^#{name}/ } }
    end
  end

##
  # Merge a set of command options with the set of default options (without
  # modifying the default option hash).

def merge_options(new_options)
    @options = @defaults.clone
    new_options.each do |k,v| @options[k] = v end
  end

##
  # True if the command handles the given argument list.

def handles?(args)
    begin
      parser.parse!(args.dup)
      return true
    rescue
      return false
    end
  end

##
  # Handle the given list of arguments by parsing them and recording the
  # results.

def handle_options(args)
    args = add_extra_args(args)
    @options = Marshal.load Marshal.dump @defaults # deep copy
    parser.parse!(args)
    @options[:args] = args
  end

##
  # Adds extra args from ~/.gemrc

def add_extra_args(args)
    result = []

s_extra = Gem::Command.specific_extra_args(@command)
    extra = Gem::Command.extra_args + s_extra

until extra.empty? do
      ex = []
      ex << extra.shift
      ex << extra.shift if extra.first.to_s =~ /^[^-]/
      result << ex if handles?(ex)
    end

result.flatten!
    result.concat(args)
    result
  end

private

def add_parser_description # :nodoc:
    return unless description

formatted = description.split("\n\n").map do |chunk|
      wrap chunk, 80 - 4
    end.join "\n"

@parser.separator nil
    @parser.separator "  Description:"
    formatted.split("\n").each do |line|
      @parser.separator "    #{line.rstrip}"
    end
  end

def add_parser_options # :nodoc:
    @parser.separator nil

regular_options = @option_groups.delete :options

configure_options "", regular_options

@option_groups.sort_by { |n,_| n.to_s }.each do |group_name, option_list|
      @parser.separator nil
      configure_options group_name, option_list
    end
  end

##
  # Adds a section with +title+ and +content+ to the parser help view.  Used
  # for adding command arguments and default arguments.

def add_parser_run_info title, content
    return if content.empty?

@parser.separator nil
    @parser.separator "  #{title}:"
    content.split(/\n/).each do |line|
      @parser.separator "    #{line}"
    end
  end

def add_parser_summary # :nodoc:
    return unless @summary

@parser.separator nil
    @parser.separator "  Summary:"
    wrap(@summary, 80 - 4).split("\n").each do |line|
      @parser.separator "    #{line.strip}"
    end
  end

##
  # Create on demand parser.

def parser
    create_option_parser if @parser.nil?
    @parser
  end

##
  # Creates an option parser and fills it in with the help info for the
  # command.

def create_option_parser
    @parser = OptionParser.new

add_parser_options

@parser.separator nil
    configure_options "Common", Gem::Command.common_options

add_parser_run_info "Arguments", arguments
    add_parser_summary
    add_parser_description
    add_parser_run_info "Defaults", defaults_str
  end

def configure_options(header, option_list)
    return if option_list.nil? or option_list.empty?

header = header.to_s.empty? ? '' : "#{header} "
    @parser.separator "  #{header}Options:"

option_list.each do |args, handler|
      args.select { |arg| arg =~ /^-/ }
      @parser.on(*args) do |value|
        handler.call(value, @options)
      end
    end

@parser.separator ''
  end

##
  # Wraps +text+ to +width+

def wrap(text, width) # :doc:
    text.gsub(/(.{1,#{width}})( +|$\n?)|(.{1,#{width}})/, "\\1\\3\n")
  end

# ----------------------------------------------------------------
  # Add the options common to all commands.

add_common_option('-h', '--help',
                    'Get help on this command') do |value, options|
    options[:help] = true
  end

add_common_option('-V', '--[no-]verbose',
                    'Set the verbose level of output') do |value, options|
    # Set us to "really verbose" so the progress meter works
    if Gem.configuration.verbose and value then
      Gem.configuration.verbose = 1
    else
      Gem.configuration.verbose = value
    end
  end

add_common_option('-q', '--quiet', 'Silence command progress meter') do |value, options|
    Gem.configuration.verbose = false
  end

add_common_option("--silent",
                    "Silence rubygems output") do |value, options|
    options[:silent] = true
  end

# Backtrace and config-file are added so they show up in the help
  # commands.  Both options are actually handled before the other
  # options get parsed.

add_common_option('--config-file FILE',
                    'Use this config file instead of default') do
  end

add_common_option('--backtrace',
                    'Show stack backtrace on errors') do
  end

add_common_option('--debug',
                    'Turn on Ruby debugging') do
  end

add_common_option('--norc',
                    'Avoid loading any .gemrc file') do
  end

# :stopdoc:

HELP = <<-HELP
RubyGems is a sophisticated package manager for Ruby.  This is a
basic help message containing pointers to more information.

Usage:
    gem -h/--help
    gem -v/--version
    gem command [arguments...] [options...]

Examples:
    gem install rake
    gem list --local
    gem build package.gemspec
    gem help install

Further help:
    gem help commands            list all 'gem' commands
    gem help examples            show some examples of usage
    gem help gem_dependencies    gem dependencies file guide
    gem help platforms           gem platforms guide
    gem help <COMMAND>           show help on COMMAND
                                   (e.g. 'gem help install')
    gem server                   present a web page at
                                 http://localhost:8808/
                                 with info about installed gems
  Further information:
    http://guides.rubygems.org
  HELP

# :startdoc:

end

##
# \Commands will be placed in this namespace

module Gem::Commands
end

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