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Name	Size	Permission	Date
bigdecimal	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
cgi	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
did_you_mean	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
digest	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
erb	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
error_highlight	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
forwardable	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
io	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
json	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
net	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
objspace	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
open3	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
openssl	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
optparse	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
prism	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
psych	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
random	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
ripper	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
set	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
strscan	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
syntax_suggest	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
unicode_normalize	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
uri	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
vendor_ruby	[ DIR ]	drwxr-xr-x	2026-04-24 16:07
yaml	[ DIR ]	drwxr-xr-x	2026-05-14 08:42
English.rb	5.96 KB	-rw-r--r--	2026-04-24 16:08
bundled_gems.rb	8.41 KB	-rw-r--r--	2026-04-24 16:08
cgi.rb	311 B	-rw-r--r--	2026-04-24 16:08
coverage.rb	517 B	-rw-r--r--	2026-04-24 16:08
date.rb	1.17 KB	-rw-r--r--	2026-04-24 16:08
delegate.rb	11.96 KB	-rw-r--r--	2026-04-24 16:08
did_you_mean.rb	4.51 KB	-rw-r--r--	2026-04-24 16:08
digest.rb	3.3 KB	-rw-r--r--	2026-04-24 16:08
erb.rb	32.57 KB	-rw-r--r--	2026-04-24 16:08
error_highlight.rb	84 B	-rw-r--r--	2026-04-24 16:08
expect.rb	2.19 KB	-rw-r--r--	2026-04-24 16:08
fileutils.rb	79.18 KB	-rw-r--r--	2026-04-24 16:08
find.rb	2.54 KB	-rw-r--r--	2026-04-24 16:08
forwardable.rb	8.81 KB	-rw-r--r--	2026-04-24 16:08
ipaddr.rb	22.86 KB	-rw-r--r--	2026-04-24 16:08
json.rb	21.45 KB	-rw-r--r--	2026-04-24 16:08
mkmf.rb	93.16 KB	-rw-r--r--	2026-04-24 16:08
monitor.rb	6.97 KB	-rw-r--r--	2026-04-24 16:08
objspace.rb	4.14 KB	-rw-r--r--	2026-04-24 16:08
open-uri.rb	28.58 KB	-rw-r--r--	2026-04-24 16:08
open3.rb	47.51 KB	-rw-r--r--	2026-04-24 16:08
openssl.rb	1.24 KB	-rw-r--r--	2026-04-24 16:08
optionparser.rb	59 B	-rw-r--r--	2026-04-24 16:08
optparse.rb	65.44 KB	-rw-r--r--	2026-04-24 16:08
pathname.rb	2 KB	-rw-r--r--	2026-04-24 16:08
pp.rb	19.21 KB	-rw-r--r--	2026-04-24 16:08
prettyprint.rb	15.95 KB	-rw-r--r--	2026-04-24 16:08
prism.rb	3.74 KB	-rw-r--r--	2026-04-24 16:08
psych.rb	26.05 KB	-rw-r--r--	2026-04-24 16:08
resolv.rb	88.39 KB	-rw-r--r--	2026-04-24 16:08
ripper.rb	2.44 KB	-rw-r--r--	2026-04-24 16:08
securerandom.rb	2.28 KB	-rw-r--r--	2026-04-24 16:08
shellwords.rb	7.53 KB	-rw-r--r--	2026-04-24 16:08
singleton.rb	5.59 KB	-rw-r--r--	2026-04-24 16:08
socket.rb	61.26 KB	-rw-r--r--	2026-04-24 16:08
syntax_suggest.rb	74 B	-rw-r--r--	2026-04-24 16:08
tempfile.rb	20.7 KB	-rw-r--r--	2026-04-24 16:08
time.rb	24.01 KB	-rw-r--r--	2026-04-24 16:08
timeout.rb	10.48 KB	-rw-r--r--	2026-04-24 16:08
tmpdir.rb	5.62 KB	-rw-r--r--	2026-04-24 16:08
tsort.rb	14.36 KB	-rw-r--r--	2026-04-24 16:08
un.rb	11.17 KB	-rw-r--r--	2026-04-24 16:08
uri.rb	3.09 KB	-rw-r--r--	2026-04-24 16:08
weakref.rb	1.39 KB	-rw-r--r--	2026-04-24 16:08
yaml.rb	2.16 KB	-rw-r--r--	2026-04-24 16:08

Rename

# frozen_string_literal: true
#
# tmpdir - retrieve temporary directory path
#
# $Id$
#

require 'fileutils'
begin
  require 'etc.so'
rescue LoadError # rescue LoadError for miniruby
end

class Dir

# Class variables are inaccessible from non-main Ractor.
  # And instance variables too, in Ruby 3.0.

##
  # Returns the operating system's temporary file path.
  #
  #   require 'tmpdir'
  #   Dir.tmpdir # => "/tmp"

def self.tmpdir
    Tmpname::TMPDIR_CANDIDATES.find do |name, dir|
      unless dir
        next if !(dir = ENV[name] rescue next) or dir.empty?
      end
      dir = File.expand_path(dir)
      stat = File.stat(dir) rescue next
      case
      when !stat.directory?
        warn "#{name} is not a directory: #{dir}"
      when !File.writable?(dir)
        # We call File.writable?, not stat.writable?, because you can't tell if a dir is actually
        # writable just from stat; OS mechanisms other than user/group/world bits can affect this.
        warn "#{name} is not writable: #{dir}"
      when stat.world_writable? && !stat.sticky?
        warn "#{name} is world-writable: #{dir}"
      else
        break dir
      end
    end or raise ArgumentError, "could not find a temporary directory"
  end

# Dir.mktmpdir creates a temporary directory.
  #
  #   require 'tmpdir'
  #   Dir.mktmpdir {|dir|
  #     # use the directory
  #   }
  #
  # The directory is created with 0700 permission.
  # Application should not change the permission to make the temporary directory accessible from other users.
  #
  # The prefix and suffix of the name of the directory is specified by
  # the optional first argument, <i>prefix_suffix</i>.
  # - If it is not specified or nil, "d" is used as the prefix and no suffix is used.
  # - If it is a string, it is used as the prefix and no suffix is used.
  # - If it is an array, first element is used as the prefix and second element is used as a suffix.
  #
  #  Dir.mktmpdir {|dir| dir is ".../d..." }
  #  Dir.mktmpdir("foo") {|dir| dir is ".../foo..." }
  #  Dir.mktmpdir(["foo", "bar"]) {|dir| dir is ".../foo...bar" }
  #
  # The directory is created under Dir.tmpdir or
  # the optional second argument <i>tmpdir</i> if non-nil value is given.
  #
  #  Dir.mktmpdir {|dir| dir is "#{Dir.tmpdir}/d..." }
  #  Dir.mktmpdir(nil, "/var/tmp") {|dir| dir is "/var/tmp/d..." }
  #
  # If a block is given,
  # it is yielded with the path of the directory.
  # The directory and its contents are removed
  # using FileUtils.remove_entry before Dir.mktmpdir returns.
  # The value of the block is returned.
  #
  #  Dir.mktmpdir {|dir|
  #    # use the directory...
  #    open("#{dir}/foo", "w") { something using the file }
  #  }
  #
  # If a block is not given,
  # The path of the directory is returned.
  # In this case, Dir.mktmpdir doesn't remove the directory.
  #
  #  dir = Dir.mktmpdir
  #  begin
  #    # use the directory...
  #    open("#{dir}/foo", "w") { something using the file }
  #  ensure
  #    # remove the directory.
  #    FileUtils.remove_entry dir
  #  end
  #
  def self.mktmpdir(prefix_suffix=nil, *rest, **options, &block)
    base = nil
    path = Tmpname.create(prefix_suffix || "d", *rest, **options) {|path, _, _, d|
      base = d
      mkdir(path, 0700)
    }
    if block
      begin
        yield path.dup
      ensure
        unless base
          base = File.dirname(path)
          stat = File.stat(base)
          if stat.world_writable? and !stat.sticky?
            raise ArgumentError, "parent directory is world writable but not sticky: #{base}"
          end
        end
        FileUtils.remove_entry path
      end
    else
      path
    end
  end

# Temporary name generator
  module Tmpname # :nodoc:
    module_function

# System-wide temporary directory path
    systmpdir = (defined?(Etc.systmpdir) ? Etc.systmpdir.freeze : '/tmp')

# Temporary directory candidates consisting of environment variable
    # names or description and path pairs.
    TMPDIR_CANDIDATES = [
      'TMPDIR', 'TMP', 'TEMP',
      ['system temporary path', systmpdir],
      %w[/tmp /tmp],
      %w[. .],
    ].each(&:freeze).freeze

def tmpdir
      Dir.tmpdir
    end

# Unusable characters as path name
    UNUSABLE_CHARS = "^,-.0-9A-Z_a-z~"

# Dedicated random number generator
    RANDOM = Object.new
    class << RANDOM # :nodoc:
      # Maximum random number
      MAX = 36**6 # < 0x100000000

# Returns new random string upto 6 bytes
      def next
        (::Random.urandom(4).unpack1("L")%MAX).to_s(36)
      end
    end
    RANDOM.freeze
    private_constant :RANDOM

# Generates and yields random names to create a temporary name
    def create(basename, tmpdir=nil, max_try: nil, **opts)
      if tmpdir
        origdir = tmpdir = File.path(tmpdir)
        raise ArgumentError, "empty parent path" if tmpdir.empty?
      else
        tmpdir = tmpdir()
      end
      n = nil
      prefix, suffix = basename
      prefix = (String.try_convert(prefix) or
                raise ArgumentError, "unexpected prefix: #{prefix.inspect}")
      prefix = prefix.delete(UNUSABLE_CHARS)
      suffix &&= (String.try_convert(suffix) or
                  raise ArgumentError, "unexpected suffix: #{suffix.inspect}")
      suffix &&= suffix.delete(UNUSABLE_CHARS)
      begin
        t = Time.now.strftime("%Y%m%d")
        path = "#{prefix}#{t}-#{$$}-#{RANDOM.next}"\
               "#{n ? %[-#{n}] : ''}#{suffix||''}"
        path = File.join(tmpdir, path)
        yield(path, n, opts, origdir)
      rescue Errno::EEXIST
        n ||= 0
        n += 1
        retry if !max_try or n < max_try
        raise "cannot generate temporary name using '#{basename}' under '#{tmpdir}'"
      end
      path
    end
  end
end