zammad/db/migrate/20180518100316_email_forward_prefix_setting_issue_1730.rb

class EmailForwardPrefixSettingIssue1730 < ActiveRecord::Migration[5.1]
  def up
    # return if it's a new setup
    return if !Setting.find_by(name: 'system_init_done')

    Setting.create_if_not_exists(
      title:       'Ticket Subject Forward',
      name:        'ticket_subject_fwd',
      area:        'Email::Base',
      description: 'The text at the beginning of the subject in an email forward, e. g. FWD.',
      options:     {
        form: [
          {
            display: '',
            null:    true,
            name:    'ticket_subject_fwd',
            tag:     'input',
          },
        ],
      },
      state:       'FWD',
      preferences: {
        permission: ['admin.channel_email'],
      },
      frontend:    false
    )
  end
end