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Move private constants under Dir::Tmpname module #41

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Merged
merged 1 commit into from
Dec 16, 2024
Merged

Move private constants under Dir::Tmpname module #41

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18 changes: 13 additions & 5 deletions lib/tmpdir.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -16,18 +16,14 @@ class Dir
# Class variables are inaccessible from non-main Ractor.
# And instance variables too, in Ruby 3.0.

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

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

def self.tmpdir
['TMPDIR', 'TMP', 'TEMP', ['system temporary path', SYSTMPDIR], ['/tmp']*2, ['.']*2].find do |name, dir|
Tmpname::TMPDIR_CANDIDATES.find do |name, dir|
unless dir
next if !(dir = ENV[name] rescue next) or dir.empty?
end
Expand Down Expand Up @@ -126,6 +122,18 @@ def self.mktmpdir(prefix_suffix=nil, *rest, **options, &block)
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
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