#!/usr/bin/env php

<?php

/**

 * Dump a Drupal 6 database into a Drupal 7 PHP script to test the upgrade

 * process.

 *

 * Run this script at the root of an existing Drupal 6 installation.

 *

 * The output of this script is a PHP script that can be ran inside Drupal 7

 * and recreates the Drupal 6 database as dumped. Transient data from cache

 * session and watchdog tables are not recorded.

 */

// Define default settings.

$cmd = 'index.php';

$_SERVER['HTTP_HOST']       = 'default';

$_SERVER['PHP_SELF']        = '/index.php';

$_SERVER['REMOTE_ADDR']     = '127.0.0.1';

$_SERVER['SERVER_SOFTWARE'] = NULL;

$_SERVER['REQUEST_METHOD']  = 'GET';

$_SERVER['QUERY_STRING']    = '';

$_SERVER['PHP_SELF']        = $_SERVER['REQUEST_URI'] = '/';

$_SERVER['HTTP_USER_AGENT'] = 'console';

// Bootstrap Drupal.

include_once './includes/bootstrap.inc';

drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);

// Include the utility drupal_var_export() function.

include_once dirname(__FILE__) . '/../includes/utility.inc';

// Output the PHP header.

$output = <<<ENDOFHEADER

<?php

/**

 * @file

 * Filled installation of Drupal 6.17, for test purposes.

 *

 * This file was generated by the dump-database-d6.sh tool, from an

 * installation of Drupal 6, filled with data using the generate-d6-content.sh

 * tool. It has the following modules installed:

ENDOFHEADER;

foreach (module_list() as $module) {

  $output .= " *  - $module\n";

}

$output .= " */\n\n";

// Get the current schema, order it by table name.

$schema = drupal_get_schema();

ksort($schema);

// Export all the tables in the schema.

foreach ($schema as $table => $data) {

  // Remove descriptions to save time and code.

  unset($data['description']);

  foreach ($data['fields'] as &$field) {

    unset($field['description']);

  }

  // Dump the table structure.

  $output .= "db_create_table('" . $table . "', " . drupal_var_export($data) . ");\n";

  // Don't output values for those tables.

  if (substr($table, 0, 5) == 'cache' || $table == 'sessions' || $table == 'watchdog') {

    $output .= "\n";

    continue;

  }

  // Prepare the export of values.

  $result = db_query('SELECT * FROM {'. $table .'}');

  $insert = '';

  while ($record = db_fetch_array($result)) {

    // users.uid is a serial and inserting 0 into a serial can break MySQL.

    // So record uid + 1 instead of uid for every uid and once all records

    // are in place, fix them up.

    if ($table == 'users') {

      $record['uid']++;

    }

    $insert .= '->values('. drupal_var_export($record) .")\n";

  }

  // Dump the values if there are some.

  if ($insert) {

    $output .= "db_insert('". $table . "')->fields(". drupal_var_export(array_keys($data['fields'])) .")\n";

    $output .= $insert;

    $output .= "->execute();\n";

  }

  // Add the statement fixing the serial in the user table.

  if ($table == 'users') {

    $output .= "db_query('UPDATE {users} SET uid = uid - 1');\n";

  }

  $output .= "\n";

}

print $output;