Current File : //opt/alt/ruby25/lib64/ruby/2.5.0/rubygems/compatibility.rb
# frozen_string_literal: true
# :stopdoc:
#--
# This file contains all sorts of little compatibility hacks that we've
# had to introduce over the years. Quarantining them into one file helps
# us know when we can get rid of them.
#
# Ruby 1.9.x has introduced some things that are awkward, and we need to
# support them, so we define some constants to use later.
#++
module Gem
# Only MRI 1.9.2 has the custom prelude.
GEM_PRELUDE_SUCKAGE = RUBY_VERSION =~ /^1\.9\.2/ and RUBY_ENGINE == "ruby"
end
# Gem::QuickLoader exists in the gem prelude code in ruby 1.9.2 itself.
# We gotta get rid of it if it's there, before we do anything else.
if Gem::GEM_PRELUDE_SUCKAGE and defined?(Gem::QuickLoader) then
Gem::QuickLoader.remove
$LOADED_FEATURES.delete Gem::QuickLoader.path_to_full_rubygems_library
if path = $LOADED_FEATURES.find {|n| n.end_with? '/rubygems.rb'} then
raise LoadError, "another rubygems is already loaded from #{path}"
end
class << Gem
remove_method :try_activate if Gem.respond_to?(:try_activate, true)
end
end
module Gem
RubyGemsVersion = VERSION
# TODO remove at RubyGems 3
RbConfigPriorities = %w[
MAJOR
MINOR
TEENY
EXEEXT RUBY_SO_NAME arch bindir datadir libdir ruby_install_name
ruby_version rubylibprefix sitedir sitelibdir vendordir vendorlibdir
rubylibdir
]
unless defined?(ConfigMap)
##
# Configuration settings from ::RbConfig
ConfigMap = Hash.new do |cm, key| # TODO remove at RubyGems 3
cm[key] = RbConfig::CONFIG[key.to_s]
end
else
RbConfigPriorities.each do |key|
ConfigMap[key.to_sym] = RbConfig::CONFIG[key]
end
end
RubyGemsPackageVersion = VERSION
end
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