class Bundler::CurrentRuby

def jruby?
  defined?(RUBY_ENGINE) && RUBY_ENGINE == "jruby"
end

def jruby_18?
  jruby? && on_18?
end

def jruby_19?
  jruby? && on_19?
end

def maglev?
  defined?(RUBY_ENGINE) && RUBY_ENGINE == "maglev"
end

def mingw?
  Bundler::WINDOWS && Gem::Platform.local.os == "mingw32" && Gem::Platform.local.cpu != 'x64'
end

def mingw_18?
  mingw? && on_18?
end

def mingw_19?
  mingw? && on_19?
end

def mingw_20?
  mingw? && on_20?
end

def mingw_21?
  mingw? && on_21?
end

def mri?
  !mswin? && (!defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby")
end

def mri_18?
  mri? && on_18?
end

def mri_19?
  mri? && on_19?
end

def mri_20?
  mri? && on_20?
end

def mri_21?
  mri? && on_21?
end

def mswin?
  Bundler::WINDOWS
end

def on_18?
  RUBY_VERSION =~ /^1\.8/
end

def on_19?
  RUBY_VERSION =~ /^1\.9/
end

def on_20?
  RUBY_VERSION =~ /^2\.0/
end

def on_21?
  RUBY_VERSION =~ /^2\.1/
end

def rbx?
  ruby? && defined?(RUBY_ENGINE) && RUBY_ENGINE == "rbx"
end

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

def ruby_18?
  ruby? && on_18?
end

def ruby_19?
  ruby? && on_19?
end

def ruby_20?
  ruby? && on_20?
end

def ruby_21?
  ruby? && on_21?
end

def x64_mingw?
  Bundler::WINDOWS && Gem::Platform.local.os == "mingw32" && Gem::Platform.local.cpu == 'x64'
end

def x64_mingw_20?
  x64_mingw? && on_20?
end

def x64_mingw_21?
  x64_mingw? && on_21?
end