Модуль: OnSystem

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# File 'on_system.rb', line 54

def self.condition_from_method_name(method_name)
  method_name.to_s.sub(/^on_/, "").to_sym
end

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# File 'on_system.rb', line 161

def self.included(_base)
  raise "Do not include `OnSystem` directly. Instead, include `OnSystem::MacOSAndLinux` or `OnSystem::MacOSOnly`"
end

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# File 'on_system.rb', line 27

def self.os_condition_met?(os_name, or_condition = nil)
  return Homebrew::SimulateSystem.send(:"simulating_or_running_on_#{os_name}?") if BASE_OS_OPTIONS.include?(os_name)

  raise ArgumentError, "Invalid OS condition: #{os_name.inspect}" unless MacOSVersion::SYMBOLS.key?(os_name)

  if or_condition.present? && [:or_newer, :or_older].exclude?(or_condition)
    raise ArgumentError, "Invalid OS `or_*` condition: #{or_condition.inspect}"
  end

  return false if Homebrew::SimulateSystem.simulating_or_running_on_linux?

  base_os = MacOSVersion.from_symbol(os_name)
  current_os = if Homebrew::SimulateSystem.current_os == :macos
    # Assume the oldest macOS version when simulating a generic macOS version
    # Version::NULL is always treated as less than any other version.
    Version::NULL
  else
    MacOSVersion.from_symbol(Homebrew::SimulateSystem.current_os)
  end

  return current_os >= base_os if or_condition == :or_newer
  return current_os <= base_os if or_condition == :or_older

  current_os == base_os
end

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# File 'on_system.rb', line 59

def self.setup_arch_methods(base)
  ARCH_OPTIONS.each do |arch|
    base.define_method(:"on_#{arch}") do |&block|
      @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))

      return unless OnSystem.arch_condition_met? OnSystem.condition_from_method_name(T.must(__method__))

      @called_in_on_system_block = true
      result = block.call
      @called_in_on_system_block = false

      result
    end
  end

  base.define_method(:on_arch_conditional) do |arm: nil, intel: nil|
    @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))

    if OnSystem.arch_condition_met? :arm
      arm
    elsif OnSystem.arch_condition_met? :intel
      intel
    end
  end
end

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# File 'on_system.rb', line 86

def self.setup_base_os_methods(base)
  BASE_OS_OPTIONS.each do |base_os|
    base.define_method(:"on_#{base_os}") do |&block|
      @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))
      @on_os_blocks_exist = T.let(true, T.nilable(TrueClass))

      return unless OnSystem.os_condition_met? OnSystem.condition_from_method_name(T.must(__method__))

      @called_in_on_system_block = true
      result = block.call
      @called_in_on_system_block = false

      result
    end
  end

  base.define_method(:on_system) do |linux, macos:, &block|
    @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))
    @on_os_blocks_exist = T.let(true, T.nilable(TrueClass))

    raise ArgumentError, "The first argument to `on_system` must be `:linux`" if linux != :linux

    os_version, or_condition = if macos.to_s.include?("_or_")
      macos.to_s.split(/_(?=or_)/).map(&:to_sym)
    else
      [macos.to_sym, nil]
    end
    return if !OnSystem.os_condition_met?(os_version, or_condition) && !OnSystem.os_condition_met?(:linux)

    @called_in_on_system_block = true
    result = block.call
    @called_in_on_system_block = false

    result
  end

  base.define_method(:on_system_conditional) do |macos: nil, linux: nil|
    @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))

    if OnSystem.os_condition_met?(:macos) && macos.present?
      macos
    elsif OnSystem.os_condition_met?(:linux) && linux.present?
      linux
    end
  end
end

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# File 'on_system.rb', line 134

def self.setup_macos_methods(base)
  MacOSVersion::SYMBOLS.each_key do |os_name|
    base.define_method(:"on_#{os_name}") do |or_condition = nil, &block|
      @on_system_blocks_exist = T.let(true, T.nilable(TrueClass))
      @on_os_blocks_exist = T.let(true, T.nilable(TrueClass))

      os_condition = OnSystem.condition_from_method_name T.must(__method__)
      return unless OnSystem.os_condition_met? os_condition, or_condition

      @on_system_block_min_os = T.let(
        if or_condition == :or_older
          @called_in_on_system_block ? @on_system_block_min_os : MacOSVersion.new(HOMEBREW_MACOS_OLDEST_ALLOWED)
        else
          MacOSVersion.from_symbol(os_condition)
        end,
        T.nilable(MacOSVersion),
      )
      @called_in_on_system_block = T.let(true, T.nilable(T::Boolean))
      result = block.call
      @called_in_on_system_block = false

      result
    end
  end
end