Method: Puppet::Settings::Values#set

Defined in:
lib/puppet/settings.rb

#set(name, value) ⇒ Object 



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# File 'lib/puppet/settings.rb', line 1556

def set(name, value)
  default = @defaults[name]

  if !default
    raise ArgumentError, _("Attempt to assign a value to unknown setting %{name}") % { name: name.inspect }
  end

  # This little exception-handling dance ensures that a hook is
  # able to check whether a value for itself has been explicitly
  # set, while still preserving the existing value if the hook
  # throws (as was existing behavior)
  old_value = @values[name]
  @values[name] = value
  begin
    if default.has_hook?
      default.handle(value)
    end
  rescue Exception => e
    @values[name] = old_value
    raise e
  end
end