tripal/tripal_db/tripal_db.install

<?php

/**
 * @file
 * Contains functions related to the installation of this module
 */

/**
 * Implementation of hook_install().
 *
 * @ingroup tripal_db
 */
function tripal_db_install() {

  // create the module's data directory
  tripal_create_moddir('tripal_db');

}

/**
 * Implementation of hook_uninstall().
 *
 * @ingroup tripal_db
 */
function tripal_db_uninstall() {

}

/**
 * Implementation of hook_requirements(). Make sure 'Tripal Core' is enabled
 * before installation
 *
 * @ingroup tripal_db
 */
function tripal_db_requirements($phase) {
  $requirements = array();
  if ($phase == 'install') {
    if (!function_exists('tripal_create_moddir')) {
      $requirements ['tripal_db'] = array(
        'title' => "tripal_db",
        'value' => "Required modules must be installed first before Tripal DB module can be installed. Please try again.",
        'severity' => REQUIREMENT_ERROR,
      );
    }
  }
  return $requirements;
}