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path: root/Library/Homebrew/cask/lib/hbc/artifact/pkg.rb
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require "hbc/artifact/base"

class Hbc::Artifact::Pkg < Hbc::Artifact::Base
  attr_reader :pkg_relative_path

  def self.artifact_dsl_key
    :pkg
  end

  def load_pkg_description(pkg_description)
    @pkg_relative_path = pkg_description.shift
    @pkg_install_opts = pkg_description.shift
    begin
      if @pkg_install_opts.respond_to?(:keys)
        @pkg_install_opts.assert_valid_keys(:allow_untrusted)
      elsif @pkg_install_opts
        raise
      end
      raise if pkg_description.nil?
    rescue StandardError
      raise Hbc::CaskInvalidError.new(@cask, "Bad pkg stanza")
    end
  end

  def pkg_install_opts(opt)
    @pkg_install_opts[opt] if @pkg_install_opts.respond_to?(:keys)
  end

  def install_phase
    @cask.artifacts[:pkg].each { |pkg_description| run_installer(pkg_description) }
  end

  def uninstall_phase
    # Do nothing. Must be handled explicitly by a separate :uninstall stanza.
  end

  def run_installer(pkg_description)
    load_pkg_description pkg_description
    ohai "Running installer for #{@cask}; your password may be necessary."
    ohai "Package installers may write to any location; options such as --appdir are ignored."
    source = @cask.staged_path.join(pkg_relative_path)
    unless source.exist?
      raise Hbc::CaskError, "pkg source file not found: '#{source}'"
    end
    args = [
             "-pkg",    source,
             "-target", "/"
           ]
    args << "-verboseR" if Hbc.verbose
    args << "-allowUntrusted" if pkg_install_opts :allow_untrusted
    @command.run!("/usr/sbin/installer", sudo: true, args: args, print_stdout: true)
  end
end