show_environment

# File lib/rubygems/commands/environment_command.rb, line 104
  def show_environment # :nodoc:
    out = "RubyGems Environment:\n"

    out << "  - RUBYGEMS VERSION: #{Gem::VERSION}\n"

    out << "  - RUBY VERSION: #{RUBY_VERSION} (#{RUBY_RELEASE_DATE}"
    out << " patchlevel #{RUBY_PATCHLEVEL}" if defined? RUBY_PATCHLEVEL
    out << ") [#{RUBY_PLATFORM}]\n"

    out << "  - INSTALLATION DIRECTORY: #{Gem.dir}\n"

    out << "  - RUBYGEMS PREFIX: #{Gem.prefix}\n" unless Gem.prefix.nil?

    out << "  - RUBY EXECUTABLE: #{Gem.ruby}\n"

    out << "  - EXECUTABLE DIRECTORY: #{Gem.bindir}\n"

    out << "  - SPEC CACHE DIRECTORY: #{Gem.spec_cache_dir}\n"

    out << "  - RUBYGEMS PLATFORMS:\n"
    Gem.platforms.each do |platform|
      out << "    - #{platform}\n"
    end

    out << "  - GEM PATHS:\n"
    out << "     - #{Gem.dir}\n"

    gem_path = Gem.path.dup
    gem_path.delete Gem.dir
    add_path out, gem_path

    out << "  - GEM CONFIGURATION:\n"
    Gem.configuration.each do |name, value|
      value = value.gsub(/./, '*') if name == 'gemcutter_key'
      out << "     - #{name.inspect} => #{value.inspect}\n"
    end

    out << "  - REMOTE SOURCES:\n"
    Gem.sources.each do |s|
      out << "     - #{s}\n"
    end

    out << "  - SHELL PATH:\n"

    shell_path = ENV['PATH'].split(File::PATH_SEPARATOR)
    add_path out, shell_path

    out
  end