brew/Library/Homebrew/os/mac/shared_mach.rb

require "os/mac/architecture_list"

module SharedMachO
  def archs
    mach_data.map { |m| m.fetch :arch }.extend(ArchitectureListExtension)
  end

  def arch
    case archs.length
    when 0 then :dunno
    when 1 then archs.first
    else :universal
    end
  end

  def universal?
    arch == :universal
  end

  def i386?
    arch == :i386
  end

  def x86_64?
    arch == :x86_64
  end

  def ppc7400?
    arch == :ppc7400
  end

  def ppc64?
    arch == :ppc64
  end

  # @private
  def dylib?
    mach_data.any? { |m| m.fetch(:type) == :dylib }
  end

  # @private
  def mach_o_executable?
    mach_data.any? { |m| m.fetch(:type) == :executable }
  end

  # @private
  def mach_o_bundle?
    mach_data.any? { |m| m.fetch(:type) == :bundle }
  end
end