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ðŸ“„ available_set.rb(1.56 KB)
ðŸ“„ command.rb(13.43 KB)
ðŸ“„ command_manager.rb(5.27 KB)
ðŸ“ commands
ðŸ“„ compatibility.rb(1.58 KB)
ðŸ“„ config_file.rb(11.82 KB)
ðŸ“ core_ext
ðŸ“„ defaults.rb(2.76 KB)
ðŸ“„ dependency.rb(7.74 KB)
ðŸ“„ dependency_installer.rb(12.36 KB)
ðŸ“„ dependency_list.rb(5.53 KB)
ðŸ“„ dependency_resolver.rb(14.97 KB)
ðŸ“„ deprecate.rb(1.73 KB)
ðŸ“„ doctor.rb(2.86 KB)
ðŸ“„ errors.rb(2.14 KB)
ðŸ“„ exceptions.rb(2.7 KB)
ðŸ“ ext
ðŸ“„ ext.rb(416 B)
ðŸ“„ gem_runner.rb(1.98 KB)
ðŸ“„ gemcutter_utilities.rb(2.84 KB)
ðŸ“„ indexer.rb(12.89 KB)
ðŸ“„ install_message.rb(281 B)
ðŸ“„ install_update_options.rb(5.09 KB)
ðŸ“„ installer.rb(22.19 KB)
ðŸ“„ installer_test_case.rb(4.28 KB)
ðŸ“„ local_remote_options.rb(3.36 KB)
ðŸ“„ mock_gem_ui.rb(1.35 KB)
ðŸ“„ name_tuple.rb(1.96 KB)
ðŸ“ package
ðŸ“„ package.rb(13.22 KB)
ðŸ“„ package_task.rb(3.77 KB)
ðŸ“„ path_support.rb(1.58 KB)
ðŸ“„ platform.rb(5.63 KB)
ðŸ“„ psych_additions.rb(249 B)
ðŸ“„ psych_tree.rb(763 B)
ðŸ“„ rdoc.rb(7.75 KB)
ðŸ“„ remote_fetcher.rb(15.99 KB)
ðŸ“„ request_set.rb(3.67 KB)
ðŸ“„ requirement.rb(6.02 KB)
ðŸ“„ safe_yaml.rb(1.11 KB)
ðŸ“ security
ðŸ“„ security.rb(20.56 KB)
ðŸ“„ server.rb(21.69 KB)
ðŸ“„ source.rb(3.12 KB)
ðŸ“„ source_list.rb(1.22 KB)
ðŸ“„ source_local.rb(1.88 KB)
ðŸ“„ source_specific_file.rb(552 B)
ðŸ“„ spec_fetcher.rb(5.17 KB)
ðŸ“„ specification.rb(66.9 KB)
ðŸ“ ssl_certs
ðŸ“„ syck_hack.rb(2.07 KB)
ðŸ“„ test_case.rb(28.09 KB)
ðŸ“„ test_utilities.rb(4.03 KB)
ðŸ“„ text.rb(1.23 KB)
ðŸ“„ uninstaller.rb(8.29 KB)
ðŸ“„ user_interaction.rb(11.44 KB)
ðŸ“„ validator.rb(4.08 KB)
ðŸ“„ version.rb(10.5 KB)
ðŸ“„ version_option.rb(1.59 KB)

Editing: uninstaller.rb

#--
# 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.expand_path(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]

# 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::Specification.default_specifications_dir]

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

list << spec
    end

default_specs, list = list.partition do |spec|
      spec.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

if list.empty? then
      if other_repo_specs.empty?
        if default_specs.empty?
          raise Gem::InstallError, "gem #{@gem.inspect} is not installed"
        else
          message =
            "gem #{@gem.inspect} cannot be uninstalled " +
            "because it is a default gem"
          raise Gem::InstallError, message
        end
      end

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 then
      remove_all list

elsif list.size > 1 then
      gem_names = list.collect {|gem| gem.full_name} + ["All versions"]

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

if index == list.size then
        remove_all list
      elsif index >= 0 && index < list.size then
        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
      unless 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 { |s|
      s.name == spec.name && s.version != spec.version
    }

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

if remove then
      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

FileUtils.rm_f exe_file
        FileUtils.rm_f "#{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)) then
      e = Gem::GemNotInHomeException.new \
            "Gem 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)

FileUtils.rm_rf spec.full_gem_path

# TODO: should this be moved to spec?... I vote eww (also exists in docmgr)
    old_platform_name = [spec.name,
                         spec.version,
                         spec.original_platform].join '-'

gemspec = spec.spec_file

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

FileUtils.rm_rf gemspec

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

FileUtils.rm_rf gem

Gem::RDoc.new(spec).remove

say "Successfully uninstalled #{spec.full_name}"

Gem::Specification.remove_spec spec
  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

def dependencies_ok?(spec)
    return true if @force_ignore

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

def ask_if_ok(spec)
    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

def formatted_program_filename(filename)
    # 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 then
      require 'rubygems/installer'
      Gem::Installer.exec_format % File.basename(filename)
    else
      filename
    end
  end
end

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