Method: Chef::Provider::Env#delete_element

Defined in:
lib/chef/provider/env.rb

#delete_element ⇒ Object

e.g. delete a PATH element

Returns

<true>

If we handled the element case and caller should not delete the key

<false>

Caller should delete the key, either no :delim was specific or value was empty after we removed the element.



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# File 'lib/chef/provider/env.rb', line 92

def delete_element
  return false unless @new_resource.delim #no delim: delete the key
  if compare_value
    Chef::Log.debug("#{@new_resource} element '#{@new_resource.value}' does not exist")
    return true #do not delete the key
  else
    new_value =
      @current_resource.value.split(@new_resource.delim).select { |item|
      item != @new_resource.value
    }.join(@new_resource.delim)

    if new_value.empty?
      return false #nothing left here, delete the key
    else
      old_value = @new_resource.value(new_value)
      create_env
      Chef::Log.debug("#{@new_resource} deleted #{old_value} element")
      @new_resource.updated_by_last_action(true)
      return true #we removed the element and updated; do not delete the key
    end
  end
end