Method: Yast::CommandLineClass#UniqueOption

Defined in:
library/commandline/src/modules/CommandLine.rb

#UniqueOption(options, unique_options) ⇒ Object

Check uniqueness of an option

Check uniqueness of an option. Simply pass the list of user-specified options and a list of mutually exclusive options. In case of error, Report::Error is used.



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# File 'library/commandline/src/modules/CommandLine.rb', line 1408

def UniqueOption(options, unique_options)
  return nil if options.nil? || unique_options.nil?

  # sanity check
  if unique_options.empty?
    log.error "Unique list of options required, but the list of the possible options is empty"
    return nil
  end

  # first do a filtering, then convert to a list of keys
  cmds = unique_options & options.keys

  # if it is OK, quickly return
  return cmds.first if cmds.size == 1

  msg = if cmds.empty?
    if unique_options.size == 1
      # translators: error message - missing unique command for command line execution
      Builtins.sformat(_("Specify the command '%1'."), unique_options.first)
    else
      # translators: error message - missing unique command for command line execution
      Builtins.sformat(_("Specify one of the commands: %1."), format_list(unique_options))
    end
  else
    Builtins.sformat(_("Specify only one of the commands: %1."), format_list(cmds))
  end

  Report.Error(msg)
  nil
end