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Name	Size	Permission
commands	[ DIR ]	drwxr-xr-x
core_ext	[ DIR ]	drwxr-xr-x
defaults	[ DIR ]	drwxr-xr-x
ext	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
request	[ DIR ]	drwxr-xr-x
request_set	[ DIR ]	drwxr-xr-x
resolver	[ DIR ]	drwxr-xr-x
security	[ DIR ]	drwxr-xr-x
source	[ DIR ]	drwxr-xr-x
ssl_certs	[ DIR ]	drwxr-xr-x
util	[ DIR ]	drwxr-xr-x
available_set.rb	3.02 KB	-rw-r--r--
basic_specification.rb	7.62 KB	-rw-r--r--
bundler_version_finder.rb	2.97 KB	-rw-r--r--
command.rb	15.79 KB	-rw-r--r--
command_manager.rb	4.99 KB	-rw-r--r--
compatibility.rb	1022 B	-rw-r--r--
config_file.rb	12.69 KB	-rw-r--r--
defaults.rb	4.76 KB	-rw-r--r--
dependency.rb	8.64 KB	-rw-r--r--
dependency_installer.rb	12 KB	-rw-r--r--
dependency_list.rb	5.54 KB	-rw-r--r--
deprecate.rb	1.75 KB	-rw-r--r--
doctor.rb	3.06 KB	-rw-r--r--
errors.rb	4.64 KB	-rw-r--r--
exceptions.rb	6.49 KB	-rw-r--r--
ext.rb	460 B	-rw-r--r--
gem_runner.rb	2.18 KB	-rw-r--r--
gemcutter_utilities.rb	5.16 KB	-rw-r--r--
indexer.rb	11.29 KB	-rw-r--r--
install_default_message.rb	336 B	-rw-r--r--
install_message.rb	310 B	-rw-r--r--
install_update_options.rb	6.26 KB	-rw-r--r--
installer.rb	26.62 KB	-rw-r--r--
installer_test_case.rb	4.8 KB	-rw-r--r--
local_remote_options.rb	3.53 KB	-rw-r--r--
mock_gem_ui.rb	1.38 KB	-rw-r--r--
name_tuple.rb	2.42 KB	-rw-r--r--
package.rb	17.99 KB	-rw-r--r--
package_task.rb	3.8 KB	-rw-r--r--
path_support.rb	1.88 KB	-rw-r--r--
platform.rb	6.25 KB	-rw-r--r--
psych_additions.rb	300 B	-rw-r--r--
psych_tree.rb	796 B	-rw-r--r--
rdoc.rb	524 B	-rw-r--r--
remote_fetcher.rb	9.48 KB	-rw-r--r--
request.rb	8.7 KB	-rw-r--r--
request_set.rb	11.94 KB	-rw-r--r--
requirement.rb	7.15 KB	-rw-r--r--
resolver.rb	9.46 KB	-rw-r--r--
s3_uri_signer.rb	5.93 KB	-rw-r--r--
safe_yaml.rb	1.55 KB	-rw-r--r--
security.rb	21.24 KB	-rw-r--r--
security_option.rb	1.03 KB	-rw-r--r--
server.rb	22.72 KB	-rw-r--r--
source.rb	5.38 KB	-rw-r--r--
source_list.rb	2.55 KB	-rw-r--r--
source_local.rb	274 B	-rw-r--r--
source_specific_file.rb	272 B	-rw-r--r--
spec_fetcher.rb	6.3 KB	-rw-r--r--
specification.rb	70.78 KB	-rw-r--r--
specification_policy.rb	11.67 KB	-rw-r--r--
stub_specification.rb	4.74 KB	-rw-r--r--
syck_hack.rb	2.12 KB	-rw-r--r--
test_case.rb	39.92 KB	-rw-r--r--
test_utilities.rb	8.84 KB	-rw-r--r--
text.rb	1.85 KB	-rw-r--r--
uninstaller.rb	8.83 KB	-rw-r--r--
uri_formatter.rb	778 B	-rw-r--r--
uri_parser.rb	785 B	-rw-r--r--
uri_parsing.rb	324 B	-rw-r--r--
user_interaction.rb	13.3 KB	-rw-r--r--
util.rb	2.41 KB	-rw-r--r--
validator.rb	3.65 KB	-rw-r--r--
version.rb	12.45 KB	-rw-r--r--
version_option.rb	2.02 KB	-rw-r--r--

Code Editor : uninstaller.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 'fileutils'
require 'rubygems'
require 'rubygems/dependency_list'
require 'rubygems/rdoc'
require 'rubygems/user_interaction'

##
# An Uninstaller.
#
# The uninstaller fires pre and post uninstall hooks.  Hooks can be added
# either through a rubygems_plugin.rb file in an installed gem or via a
# rubygems/defaults/#{RUBY_ENGINE}.rb or rubygems/defaults/operating_system.rb
# file.  See Gem.pre_uninstall and Gem.post_uninstall for details.

class Gem::Uninstaller

include Gem::UserInteraction

##
  # The directory a gem's executables will be installed into

attr_reader :bin_dir

##
  # The gem repository the gem will be installed into

attr_reader :gem_home

##
  # The Gem::Specification for the gem being uninstalled, only set during
  # #uninstall_gem

attr_reader :spec

##
  # Constructs an uninstaller that will uninstall +gem+

def initialize(gem, options = {})
    # TODO document the valid options
    @gem                = gem
    @version            = options[:version] || Gem::Requirement.default
    @gem_home           = File.realpath(options[:install_dir] || Gem.dir)
    @force_executables  = options[:executables]
    @force_all          = options[:all]
    @force_ignore       = options[:ignore]
    @bin_dir            = options[:bin_dir]
    @format_executable  = options[:format_executable]
    @abort_on_dependent = options[:abort_on_dependent]

# Indicate if development dependencies should be checked when
    # uninstalling. (default: false)
    #
    @check_dev = options[:check_dev]

if options[:force]
      @force_all = true
      @force_ignore = true
    end

# only add user directory if install_dir is not set
    @user_install = false
    @user_install = options[:user_install] unless options[:install_dir]
  end

##
  # Performs the uninstall of the gem.  This removes the spec, the Gem
  # directory, and the cached .gem file.

def uninstall
    dependency = Gem::Dependency.new @gem, @version

list = []

dirs =
      Gem::Specification.dirs +
      [Gem.default_specifications_dir]

Gem::Specification.each_spec dirs do |spec|
      next unless dependency.matches_spec? spec

list << spec
    end

if list.empty?
      raise Gem::InstallError, "gem #{@gem.inspect} is not installed"
    end

default_specs, list = list.partition do |spec|
      spec.default_gem?
    end

default_specs.each do |default_spec|
      say "Gem #{default_spec.full_name} cannot be uninstalled because it is a default gem"
    end

list, other_repo_specs = list.partition do |spec|
      @gem_home == spec.base_dir or
        (@user_install and spec.base_dir == Gem.user_dir)
    end

list.sort!

if list.empty?
      return unless other_repo_specs.any?

other_repos = other_repo_specs.map { |spec| spec.base_dir }.uniq

message = ["#{@gem} is not installed in GEM_HOME, try:"]
      message.concat other_repos.map { |repo|
        "\tgem uninstall -i #{repo} #{@gem}"
      }

raise Gem::InstallError, message.join("\n")
    elsif @force_all
      remove_all list

elsif list.size > 1
      gem_names = list.map { |gem| gem.full_name }
      gem_names << "All versions"

say
      _, index = choose_from_list "Select gem to uninstall:", gem_names

if index == list.size
        remove_all list
      elsif index >= 0 && index < list.size
        uninstall_gem list[index]
      else
        say "Error: must enter a number [1-#{list.size + 1}]"
      end
    else
      uninstall_gem list.first
    end
  end

##
  # Uninstalls gem +spec+

def uninstall_gem(spec)
    @spec = spec

unless dependencies_ok? spec
      if abort_on_dependent? || !ask_if_ok(spec)
        raise Gem::DependencyRemovalException,
          "Uninstallation aborted due to dependent gem(s)"
      end
    end

Gem.pre_uninstall_hooks.each do |hook|
      hook.call self
    end

remove_executables @spec
    remove @spec

Gem.post_uninstall_hooks.each do |hook|
      hook.call self
    end

@spec = nil
  end

##
  # Removes installed executables and batch files (windows only) for
  # +gemspec+.

def remove_executables(spec)
    return if spec.nil? or spec.executables.empty?

executables = spec.executables.clone

# Leave any executables created by other installed versions
    # of this gem installed.

list = Gem::Specification.find_all do |s|
      s.name == spec.name && s.version != spec.version
    end

list.each do |s|
      s.executables.each do |exe_name|
        executables.delete exe_name
      end
    end

return if executables.empty?

executables = executables.map { |exec| formatted_program_filename exec }

remove = if @force_executables.nil?
               ask_yes_no("Remove executables:\n" +
                          "\t#{executables.join ', '}\n\n" +
                          "in addition to the gem?",
                          true)
             else
               @force_executables
             end

if remove
      bin_dir = @bin_dir || Gem.bindir(spec.base_dir)

raise Gem::FilePermissionError, bin_dir unless File.writable? bin_dir

executables.each do |exe_name|
        say "Removing #{exe_name}"

exe_file = File.join bin_dir, exe_name

safe_delete { FileUtils.rm exe_file }
        safe_delete { FileUtils.rm "#{exe_file}.bat" }
      end
    else
      say "Executables and scripts will remain installed."
    end
  end

##
  # Removes all gems in +list+.
  #
  # NOTE: removes uninstalled gems from +list+.

def remove_all(list)
    list.each { |spec| uninstall_gem spec }
  end

##
  # spec:: the spec of the gem to be uninstalled
  # list:: the list of all such gems
  #
  # Warning: this method modifies the +list+ parameter.  Once it has
  # uninstalled a gem, it is removed from that list.

def remove(spec)
    unless path_ok?(@gem_home, spec) or
           (@user_install and path_ok?(Gem.user_dir, spec))
      e = Gem::GemNotInHomeException.new \
            "Gem '#{spec.full_name}' is not installed in directory #{@gem_home}"
      e.spec = spec

raise e
    end

raise Gem::FilePermissionError, spec.base_dir unless
      File.writable?(spec.base_dir)

safe_delete { FileUtils.rm_r spec.full_gem_path }
    safe_delete { FileUtils.rm_r spec.extension_dir }

old_platform_name = spec.original_name

gem = spec.cache_file
    gem = File.join(spec.cache_dir, "#{old_platform_name}.gem") unless
      File.exist? gem

safe_delete { FileUtils.rm_r gem }

Gem::RDoc.new(spec).remove

gemspec = spec.spec_file

unless File.exist? gemspec
      gemspec = File.join(File.dirname(gemspec), "#{old_platform_name}.gemspec")
    end

safe_delete { FileUtils.rm_r gemspec }
    say "Successfully uninstalled #{spec.full_name}"

Gem::Specification.reset
  end

##
  # Is +spec+ in +gem_dir+?

def path_ok?(gem_dir, spec)
    full_path     = File.join gem_dir, 'gems', spec.full_name
    original_path = File.join gem_dir, 'gems', spec.original_name

full_path == spec.full_gem_path || original_path == spec.full_gem_path
  end

##
  # Returns true if it is OK to remove +spec+ or this is a forced
  # uninstallation.

def dependencies_ok?(spec) # :nodoc:
    return true if @force_ignore

deplist = Gem::DependencyList.from_specs
    deplist.ok_to_remove?(spec.full_name, @check_dev)
  end

##
  # Should the uninstallation abort if a dependency will go unsatisfied?
  #
  # See ::new.

def abort_on_dependent? # :nodoc:
    @abort_on_dependent
  end

##
  # Asks if it is OK to remove +spec+.  Returns true if it is OK.

def ask_if_ok(spec) # :nodoc:
    msg = ['']
    msg << 'You have requested to uninstall the gem:'
    msg << "\t#{spec.full_name}"
    msg << ''

siblings = Gem::Specification.select do |s|
      s.name == spec.name && s.full_name != spec.full_name
    end

spec.dependent_gems.each do |dep_spec, dep, satlist|
      unless siblings.any? { |s| s.satisfies_requirement? dep }
        msg << "#{dep_spec.name}-#{dep_spec.version} depends on #{dep}"
      end
    end

msg << 'If you remove this gem, these dependencies will not be met.'
    msg << 'Continue with Uninstall?'
    return ask_yes_no(msg.join("\n"), false)
  end

##
  # Returns the formatted version of the executable +filename+

def formatted_program_filename(filename) # :nodoc:
    # TODO perhaps the installer should leave a small manifest
    # of what it did for us to find rather than trying to recreate
    # it again.
    if @format_executable
      require 'rubygems/installer'
      Gem::Installer.exec_format % File.basename(filename)
    else
      filename
    end
  end

def safe_delete(&block)
    block.call
  rescue Errno::ENOENT
    nil
  rescue Errno::EPERM
    e = Gem::UninstallError.new
    e.spec = @spec

raise e
  end

end

${this.title}

Code Editor : uninstaller.rb