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ext	[ DIR ]	drwxr-xr-x
package	[ DIR ]	drwxr-xr-x
ssl_certs	[ DIR ]	drwxr-xr-x
builder.rb	2.21 KB	-rw-r--r--
command.rb	12.46 KB	-rw-r--r--
command_manager.rb	4.67 KB	-rw-r--r--
config_file.rb	9.69 KB	-rw-r--r--
custom_require.rb	1.83 KB	-rw-r--r--
defaults.rb	2.65 KB	-rw-r--r--
dependency.rb	6.43 KB	-rw-r--r--
dependency_installer.rb	9.94 KB	-rw-r--r--
dependency_list.rb	5.58 KB	-rw-r--r--
deprecate.rb	1.81 KB	-rw-r--r--
doc_manager.rb	5.55 KB	-rw-r--r--
errors.rb	793 B	-rw-r--r--
exceptions.rb	2.34 KB	-rw-r--r--
ext.rb	379 B	-rw-r--r--
format.rb	1.96 KB	-rw-r--r--
gem_openssl.rb	2.24 KB	-rw-r--r--
gem_path_searcher.rb	4.57 KB	-rw-r--r--
gem_runner.rb	2.38 KB	-rw-r--r--
gemcutter_utilities.rb	1.86 KB	-rw-r--r--
indexer.rb	16.93 KB	-rw-r--r--
install_update_options.rb	3.87 KB	-rw-r--r--
installer.rb	17.02 KB	-rw-r--r--
installer_test_case.rb	3.1 KB	-rw-r--r--
local_remote_options.rb	3.36 KB	-rw-r--r--
mock_gem_ui.rb	1.05 KB	-rw-r--r--
old_format.rb	3.69 KB	-rw-r--r--
package.rb	2.15 KB	-rw-r--r--
package_task.rb	3.79 KB	-rw-r--r--
path_support.rb	1.5 KB	-rw-r--r--
platform.rb	5.55 KB	-rw-r--r--
psych_additions.rb	249 B	-rw-r--r--
psych_tree.rb	687 B	-rw-r--r--
remote_fetcher.rb	13.78 KB	-rw-r--r--
require_paths_builder.rb	577 B	-rw-r--r--
requirement.rb	5.01 KB	-rw-r--r--
security.rb	28.83 KB	-rw-r--r--
server.rb	21.93 KB	-rw-r--r--
source_index.rb	11 KB	-rw-r--r--
spec_fetcher.rb	7.17 KB	-rw-r--r--
specification.rb	54.83 KB	-rw-r--r--
syck_hack.rb	2.02 KB	-rw-r--r--
test_case.rb	23.22 KB	-rw-r--r--
test_utilities.rb	3.47 KB	-rw-r--r--
text.rb	1.23 KB	-rw-r--r--
uninstaller.rb	6.77 KB	-rw-r--r--
user_interaction.rb	11.22 KB	-rw-r--r--
validator.rb	4.65 KB	-rw-r--r--
version.rb	10.19 KB	-rw-r--r--
version_option.rb	1.59 KB	-rw-r--r--

Code Editor : 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/doc_manager'
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 = {})
    @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]

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

if @user_install then
      Gem.use_paths Gem.user_dir, @gem_home
    else
      Gem.use_paths @gem_home
    end
  end

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

def uninstall
    list = Gem::Specification.find_all_by_name(@gem, @version)

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

elsif list.size > 1 and @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?

list = Gem::Specification.find_all { |s|
      s.name == spec.name && s.version != spec.version
    }

executables = spec.executables.clone

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

unless remove then
      say "Executables and scripts will remain installed."
    else
      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
    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::DocManager.new(spec).uninstall_doc

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)
  end

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

spec.dependent_gems.each do |dep_spec, dep, satlist|
      msg <<
        ("#{dep_spec.name}-#{dep_spec.version} depends on " +
         "[#{dep.name} (#{dep.requirement})]")
    end

msg << 'If you remove this gems, one or more dependencies will not be met.'
    msg << 'Continue with Uninstall?'
    return ask_yes_no(msg.join("\n"), true)
  end

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

${this.title}

Code Editor : uninstaller.rb