JezK

Edit File: current_ruby.rb

# frozen_string_literal: true

module Bundler
  # Returns current version of Ruby
  #
  # @return [CurrentRuby] Current version of Ruby
  def self.current_ruby
    @current_ruby ||= CurrentRuby.new
  end

class CurrentRuby
    KNOWN_MINOR_VERSIONS = %w[
      1.8
      1.9
      2.0
      2.1
      2.2
      2.3
      2.4
      2.5
      2.6
      2.7
      3.0
    ].freeze

KNOWN_MAJOR_VERSIONS = KNOWN_MINOR_VERSIONS.map {|v| v.split(".", 2).first }.uniq.freeze

KNOWN_PLATFORMS = %w[
      jruby
      maglev
      mingw
      mri
      mswin
      mswin64
      rbx
      ruby
      truffleruby
      x64_mingw
    ].freeze

def ruby?
      return true if Bundler::GemHelpers.generic_local_platform == Gem::Platform::RUBY

!mswin? && (RUBY_ENGINE == "ruby" || RUBY_ENGINE == "rbx" || RUBY_ENGINE == "maglev" || RUBY_ENGINE == "truffleruby")
    end

def mri?
      !mswin? && RUBY_ENGINE == "ruby"
    end

def rbx?
      ruby? && RUBY_ENGINE == "rbx"
    end

def jruby?
      RUBY_ENGINE == "jruby"
    end

def maglev?
      RUBY_ENGINE == "maglev"
    end

def truffleruby?
      RUBY_ENGINE == "truffleruby"
    end

def mswin?
      Gem.win_platform?
    end

def mswin64?
      Gem.win_platform? && Bundler.local_platform != Gem::Platform::RUBY && Bundler.local_platform.os == "mswin64" && Bundler.local_platform.cpu == "x64"
    end

def mingw?
      Gem.win_platform? && Bundler.local_platform != Gem::Platform::RUBY && Bundler.local_platform.os == "mingw32" && Bundler.local_platform.cpu != "x64"
    end

def x64_mingw?
      Gem.win_platform? && Bundler.local_platform != Gem::Platform::RUBY && Bundler.local_platform.os == "mingw32" && Bundler.local_platform.cpu == "x64"
    end

(KNOWN_MINOR_VERSIONS + KNOWN_MAJOR_VERSIONS).each do |version|
      trimmed_version = version.tr(".", "")
      define_method(:"on_#{trimmed_version}?") do
        RUBY_VERSION.start_with?("#{version}.")
      end

KNOWN_PLATFORMS.each do |platform|
        define_method(:"#{platform}_#{trimmed_version}?") do
          send(:"#{platform}?") && send(:"on_#{trimmed_version}?")
        end
      end
    end
  end
end

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