class Macinbox::Actions::CheckMacosVersions

Public Class Methods

new(opts) click to toggle source
# File lib/macinbox/actions/check_macos_versions.rb, line 10
def initialize(opts)
  @installer_app     = opts[:installer_path]  or raise ArgumentError.new(":installer_path not specified")

  @collector         = opts[:collector]       or raise ArgumentError.new(":collector not specified")

  raise Macinbox::Error.new("Installer app not found") unless File.exist? @installer_app
end

Public Instance Methods

run() click to toggle source
# File lib/macinbox/actions/check_macos_versions.rb, line 18
def run
  install_info_plist = "#{@installer_app}/Contents/SharedSupport/InstallInfo.plist"
  raise Macinbox::Error.new("InstallInfo.plist not found in installer app bundle") unless File.exist? install_info_plist

  installer_os_version = Macinbox::OSVersion.new(Task.backtick %W[ /usr/libexec/PlistBuddy -c #{'Print :System\ Image\ Info:version'} #{install_info_plist} ])
  Logger.info "Installer macOS version detected: #{installer_os_version}" if $verbose

  host_os_version = Macinbox::OSVersion.new(Task.backtick %W[ /usr/bin/sw_vers -productVersion ])
  Logger.info "Host macOS version detected: #{host_os_version}" if $verbose

  unless installer_os_version.is_sierra_or_later?
    raise Macinbox::Error.new("Installer macOS version is not supported: #{installer_os_version}")
  end

  if (host_os_version.is_catalina_or_later? && installer_os_version.is_mojave_or_earlier?) ||
     (host_os_version.is_mojave_or_earlier? && installer_os_version.is_catalina_or_later?)
    raise Macinbox::Error.new("macOS #{host_os_version} cannot install macOS #{installer_os_version}")
  end

  if installer_os_version.major != host_os_version.major || installer_os_version.minor != host_os_version.minor
    Logger.error "Warning: host OS version (#{host_os_version}) and installer OS version (#{installer_os_version}) do not match"
  end

  installer_os_version
end