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annotate update.php @ 8:85cbd6048071

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Added tag 6.3 for changeset fff6d4c8c043
author Franck Deroche <webmaster@defr.org>
date Tue, 23 Dec 2008 14:30:28 +0100
parents c1f4ac30525a
children 4347c45bb494
rev   line source
webmaster@1 1 <?php
webmaster@1 2 // $Id: update.php,v 1.252 2008/02/03 18:41:16 goba Exp $
webmaster@1 3
webmaster@1 4 /**
webmaster@1 5 * @file
webmaster@1 6 * Administrative page for handling updates from one Drupal version to another.
webmaster@1 7 *
webmaster@1 8 * Point your browser to "http://www.example.com/update.php" and follow the
webmaster@1 9 * instructions.
webmaster@1 10 *
webmaster@1 11 * If you are not logged in as administrator, you will need to modify the access
webmaster@1 12 * check statement inside your settings.php file. After finishing the upgrade,
webmaster@1 13 * be sure to open settings.php again, and change it back to its original state!
webmaster@1 14 */
webmaster@1 15
webmaster@1 16 /**
webmaster@1 17 * Global flag to identify update.php run, and so avoid various unwanted
webmaster@1 18 * operations, such as hook_init() and hook_exit() invokes, css/js preprocessing
webmaster@1 19 * and translation, and solve some theming issues. This flag is checked on several
webmaster@1 20 * places in Drupal code (not just update.php).
webmaster@1 21 */
webmaster@1 22 define('MAINTENANCE_MODE', 'update');
webmaster@1 23
webmaster@1 24 /**
webmaster@1 25 * Add a column to a database using syntax appropriate for PostgreSQL.
webmaster@1 26 * Save result of SQL commands in $ret array.
webmaster@1 27 *
webmaster@1 28 * Note: when you add a column with NOT NULL and you are not sure if there are
webmaster@1 29 * already rows in the table, you MUST also add DEFAULT. Otherwise PostgreSQL
webmaster@1 30 * won't work when the table is not empty, and db_add_column() will fail.
webmaster@1 31 * To have an empty string as the default, you must use: 'default' => "''"
webmaster@1 32 * in the $attributes array. If NOT NULL and DEFAULT are set the PostgreSQL
webmaster@1 33 * version will set values of the added column in old rows to the
webmaster@1 34 * DEFAULT value.
webmaster@1 35 *
webmaster@1 36 * @param $ret
webmaster@1 37 * Array to which results will be added.
webmaster@1 38 * @param $table
webmaster@1 39 * Name of the table, without {}
webmaster@1 40 * @param $column
webmaster@1 41 * Name of the column
webmaster@1 42 * @param $type
webmaster@1 43 * Type of column
webmaster@1 44 * @param $attributes
webmaster@1 45 * Additional optional attributes. Recognized attributes:
webmaster@1 46 * not null => TRUE|FALSE
webmaster@1 47 * default => NULL|FALSE|value (the value must be enclosed in '' marks)
webmaster@1 48 * @return
webmaster@1 49 * nothing, but modifies $ret parameter.
webmaster@1 50 */
webmaster@1 51 function db_add_column(&$ret, $table, $column, $type, $attributes = array()) {
webmaster@1 52 if (array_key_exists('not null', $attributes) and $attributes['not null']) {
webmaster@1 53 $not_null = 'NOT NULL';
webmaster@1 54 }
webmaster@1 55 if (array_key_exists('default', $attributes)) {
webmaster@1 56 if (is_null($attributes['default'])) {
webmaster@1 57 $default_val = 'NULL';
webmaster@1 58 $default = 'default NULL';
webmaster@1 59 }
webmaster@1 60 elseif ($attributes['default'] === FALSE) {
webmaster@1 61 $default = '';
webmaster@1 62 }
webmaster@1 63 else {
webmaster@1 64 $default_val = "$attributes[default]";
webmaster@1 65 $default = "default $attributes[default]";
webmaster@1 66 }
webmaster@1 67 }
webmaster@1 68
webmaster@1 69 $ret[] = update_sql("ALTER TABLE {". $table ."} ADD $column $type");
webmaster@1 70 if (!empty($default)) {
webmaster@1 71 $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column SET $default");
webmaster@1 72 }
webmaster@1 73 if (!empty($not_null)) {
webmaster@1 74 if (!empty($default)) {
webmaster@1 75 $ret[] = update_sql("UPDATE {". $table ."} SET $column = $default_val");
webmaster@1 76 }
webmaster@1 77 $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column SET NOT NULL");
webmaster@1 78 }
webmaster@1 79 }
webmaster@1 80
webmaster@1 81 /**
webmaster@1 82 * Change a column definition using syntax appropriate for PostgreSQL.
webmaster@1 83 * Save result of SQL commands in $ret array.
webmaster@1 84 *
webmaster@1 85 * Remember that changing a column definition involves adding a new column
webmaster@1 86 * and dropping an old one. This means that any indices, primary keys and
webmaster@1 87 * sequences from serial-type columns are dropped and might need to be
webmaster@1 88 * recreated.
webmaster@1 89 *
webmaster@1 90 * @param $ret
webmaster@1 91 * Array to which results will be added.
webmaster@1 92 * @param $table
webmaster@1 93 * Name of the table, without {}
webmaster@1 94 * @param $column
webmaster@1 95 * Name of the column to change
webmaster@1 96 * @param $column_new
webmaster@1 97 * New name for the column (set to the same as $column if you don't want to change the name)
webmaster@1 98 * @param $type
webmaster@1 99 * Type of column
webmaster@1 100 * @param $attributes
webmaster@1 101 * Additional optional attributes. Recognized attributes:
webmaster@1 102 * not null => TRUE|FALSE
webmaster@1 103 * default => NULL|FALSE|value (with or without '', it won't be added)
webmaster@1 104 * @return
webmaster@1 105 * nothing, but modifies $ret parameter.
webmaster@1 106 */
webmaster@1 107 function db_change_column(&$ret, $table, $column, $column_new, $type, $attributes = array()) {
webmaster@1 108 if (array_key_exists('not null', $attributes) and $attributes['not null']) {
webmaster@1 109 $not_null = 'NOT NULL';
webmaster@1 110 }
webmaster@1 111 if (array_key_exists('default', $attributes)) {
webmaster@1 112 if (is_null($attributes['default'])) {
webmaster@1 113 $default_val = 'NULL';
webmaster@1 114 $default = 'default NULL';
webmaster@1 115 }
webmaster@1 116 elseif ($attributes['default'] === FALSE) {
webmaster@1 117 $default = '';
webmaster@1 118 }
webmaster@1 119 else {
webmaster@1 120 $default_val = "$attributes[default]";
webmaster@1 121 $default = "default $attributes[default]";
webmaster@1 122 }
webmaster@1 123 }
webmaster@1 124
webmaster@1 125 $ret[] = update_sql("ALTER TABLE {". $table ."} RENAME $column TO ". $column ."_old");
webmaster@1 126 $ret[] = update_sql("ALTER TABLE {". $table ."} ADD $column_new $type");
webmaster@1 127 $ret[] = update_sql("UPDATE {". $table ."} SET $column_new = ". $column ."_old");
webmaster@1 128 if ($default) { $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column_new SET $default"); }
webmaster@1 129 if ($not_null) { $ret[] = update_sql("ALTER TABLE {". $table ."} ALTER $column_new SET NOT NULL"); }
webmaster@1 130 $ret[] = update_sql("ALTER TABLE {". $table ."} DROP ". $column ."_old");
webmaster@1 131 }
webmaster@1 132
webmaster@1 133 /**
webmaster@1 134 * Perform one update and store the results which will later be displayed on
webmaster@1 135 * the finished page.
webmaster@1 136 *
webmaster@1 137 * An update function can force the current and all later updates for this
webmaster@1 138 * module to abort by returning a $ret array with an element like:
webmaster@1 139 * $ret['#abort'] = array('success' => FALSE, 'query' => 'What went wrong');
webmaster@1 140 * The schema version will not be updated in this case, and all the
webmaster@1 141 * aborted updates will continue to appear on update.php as updates that
webmaster@1 142 * have not yet been run.
webmaster@1 143 *
webmaster@1 144 * @param $module
webmaster@1 145 * The module whose update will be run.
webmaster@1 146 * @param $number
webmaster@1 147 * The update number to run.
webmaster@1 148 * @param $context
webmaster@1 149 * The batch context array
webmaster@1 150 */
webmaster@1 151 function update_do_one($module, $number, &$context) {
webmaster@1 152 // If updates for this module have been aborted
webmaster@1 153 // in a previous step, go no further.
webmaster@1 154 if (!empty($context['results'][$module]['#abort'])) {
webmaster@1 155 return;
webmaster@1 156 }
webmaster@1 157
webmaster@1 158 $function = $module .'_update_'. $number;
webmaster@1 159 if (function_exists($function)) {
webmaster@1 160 $ret = $function($context['sandbox']);
webmaster@1 161 }
webmaster@1 162
webmaster@1 163 if (isset($ret['#finished'])) {
webmaster@1 164 $context['finished'] = $ret['#finished'];
webmaster@1 165 unset($ret['#finished']);
webmaster@1 166 }
webmaster@1 167
webmaster@1 168 if (!isset($context['results'][$module])) {
webmaster@1 169 $context['results'][$module] = array();
webmaster@1 170 }
webmaster@1 171 if (!isset($context['results'][$module][$number])) {
webmaster@1 172 $context['results'][$module][$number] = array();
webmaster@1 173 }
webmaster@1 174 $context['results'][$module][$number] = array_merge($context['results'][$module][$number], $ret);
webmaster@1 175
webmaster@1 176 if (!empty($ret['#abort'])) {
webmaster@1 177 $context['results'][$module]['#abort'] = TRUE;
webmaster@1 178 }
webmaster@1 179 // Record the schema update if it was completed successfully.
webmaster@1 180 if ($context['finished'] == 1 && empty($context['results'][$module]['#abort'])) {
webmaster@1 181 drupal_set_installed_schema_version($module, $number);
webmaster@1 182 }
webmaster@1 183
webmaster@1 184 $context['message'] = 'Updating '. check_plain($module) .' module';
webmaster@1 185 }
webmaster@1 186
webmaster@1 187 function update_selection_page() {
webmaster@1 188 $output = '<p>The version of Drupal you are updating from has been automatically detected. You can select a different version, but you should not need to.</p>';
webmaster@1 189 $output .= '<p>Click Update to start the update process.</p>';
webmaster@1 190
webmaster@1 191 drupal_set_title('Drupal database update');
webmaster@1 192 $output .= drupal_get_form('update_script_selection_form');
webmaster@1 193
webmaster@1 194 update_task_list('select');
webmaster@1 195
webmaster@1 196 return $output;
webmaster@1 197 }
webmaster@1 198
webmaster@1 199 function update_script_selection_form() {
webmaster@1 200 $form = array();
webmaster@1 201 $form['start'] = array(
webmaster@1 202 '#tree' => TRUE,
webmaster@1 203 '#type' => 'fieldset',
webmaster@1 204 '#title' => 'Select versions',
webmaster@1 205 '#collapsible' => TRUE,
webmaster@1 206 '#collapsed' => TRUE,
webmaster@1 207 );
webmaster@1 208
webmaster@1 209 // Ensure system.module's updates appear first
webmaster@1 210 $form['start']['system'] = array();
webmaster@1 211
webmaster@1 212 $modules = drupal_get_installed_schema_version(NULL, FALSE, TRUE);
webmaster@1 213 foreach ($modules as $module => $schema_version) {
webmaster@1 214 $updates = drupal_get_schema_versions($module);
webmaster@1 215 // Skip incompatible module updates completely, otherwise test schema versions.
webmaster@1 216 if (!update_check_incompatibility($module) && $updates !== FALSE && $schema_version >= 0) {
webmaster@1 217 // module_invoke returns NULL for nonexisting hooks, so if no updates
webmaster@1 218 // are removed, it will == 0.
webmaster@1 219 $last_removed = module_invoke($module, 'update_last_removed');
webmaster@1 220 if ($schema_version < $last_removed) {
webmaster@1 221 $form['start'][$module] = array(
webmaster@1 222 '#value' => '<em>'. $module .'</em> module can not be updated. Its schema version is '. $schema_version .'. Updates up to and including '. $last_removed .' have been removed in this release. In order to update <em>'. $module .'</em> module, you will first <a href="http://drupal.org/upgrade">need to upgrade</a> to the last version in which these updates were available.',
webmaster@1 223 '#prefix' => '<div class="warning">',
webmaster@1 224 '#suffix' => '</div>',
webmaster@1 225 );
webmaster@1 226 $form['start']['#collapsed'] = FALSE;
webmaster@1 227 continue;
webmaster@1 228 }
webmaster@1 229 $updates = drupal_map_assoc($updates);
webmaster@1 230 $updates[] = 'No updates available';
webmaster@1 231 $default = $schema_version;
webmaster@1 232 foreach (array_keys($updates) as $update) {
webmaster@1 233 if ($update > $schema_version) {
webmaster@1 234 $default = $update;
webmaster@1 235 break;
webmaster@1 236 }
webmaster@1 237 }
webmaster@1 238 $form['start'][$module] = array(
webmaster@1 239 '#type' => 'select',
webmaster@1 240 '#title' => $module .' module',
webmaster@1 241 '#default_value' => $default,
webmaster@1 242 '#options' => $updates,
webmaster@1 243 );
webmaster@1 244 }
webmaster@1 245 }
webmaster@1 246
webmaster@1 247 $form['has_js'] = array(
webmaster@1 248 '#type' => 'hidden',
webmaster@1 249 '#default_value' => FALSE,
webmaster@1 250 '#attributes' => array('id' => 'edit-has_js'),
webmaster@1 251 );
webmaster@1 252 $form['submit'] = array(
webmaster@1 253 '#type' => 'submit',
webmaster@1 254 '#value' => 'Update',
webmaster@1 255 );
webmaster@1 256 return $form;
webmaster@1 257 }
webmaster@1 258
webmaster@1 259 function update_batch() {
webmaster@1 260 global $base_url;
webmaster@1 261
webmaster@1 262 $operations = array();
webmaster@1 263 // Set the installed version so updates start at the correct place.
webmaster@1 264 foreach ($_POST['start'] as $module => $version) {
webmaster@1 265 drupal_set_installed_schema_version($module, $version - 1);
webmaster@1 266 $updates = drupal_get_schema_versions($module);
webmaster@1 267 $max_version = max($updates);
webmaster@1 268 if ($version <= $max_version) {
webmaster@1 269 foreach ($updates as $update) {
webmaster@1 270 if ($update >= $version) {
webmaster@1 271 $operations[] = array('update_do_one', array($module, $update));
webmaster@1 272 }
webmaster@1 273 }
webmaster@1 274 }
webmaster@1 275 }
webmaster@1 276 $batch = array(
webmaster@1 277 'operations' => $operations,
webmaster@1 278 'title' => 'Updating',
webmaster@1 279 'init_message' => 'Starting updates',
webmaster@1 280 'error_message' => 'An unrecoverable error has occurred. You can find the error message below. It is advised to copy it to the clipboard for reference.',
webmaster@1 281 'finished' => 'update_finished',
webmaster@1 282 );
webmaster@1 283 batch_set($batch);
webmaster@1 284 batch_process($base_url .'/update.php?op=results', $base_url .'/update.php');
webmaster@1 285 }
webmaster@1 286
webmaster@1 287 function update_finished($success, $results, $operations) {
webmaster@1 288 // clear the caches in case the data has been updated.
webmaster@1 289 drupal_flush_all_caches();
webmaster@1 290
webmaster@1 291 $_SESSION['update_results'] = $results;
webmaster@1 292 $_SESSION['update_success'] = $success;
webmaster@1 293 $_SESSION['updates_remaining'] = $operations;
webmaster@1 294 }
webmaster@1 295
webmaster@1 296 function update_results_page() {
webmaster@1 297 drupal_set_title('Drupal database update');
webmaster@1 298 // NOTE: we can't use l() here because the URL would point to 'update.php?q=admin'.
webmaster@1 299 $links[] = '<a href="'. base_path() .'">Main page</a>';
webmaster@1 300 $links[] = '<a href="'. base_path() .'?q=admin">Administration pages</a>';
webmaster@1 301
webmaster@1 302 update_task_list();
webmaster@1 303 // Report end result
webmaster@1 304 if (module_exists('dblog')) {
webmaster@1 305 $log_message = ' All errors have been <a href="'. base_path() .'?q=admin/reports/dblog">logged</a>.';
webmaster@1 306 }
webmaster@1 307 else {
webmaster@1 308 $log_message = ' All errors have been logged.';
webmaster@1 309 }
webmaster@1 310
webmaster@1 311 if ($_SESSION['update_success']) {
webmaster@1 312 $output = '<p>Updates were attempted. If you see no failures below, you may proceed happily to the <a href="'. base_path() .'?q=admin">administration pages</a>. Otherwise, you may need to update your database manually.'. $log_message .'</p>';
webmaster@1 313 }
webmaster@1 314 else {
webmaster@1 315 list($module, $version) = array_pop(reset($_SESSION['updates_remaining']));
webmaster@1 316 $output = '<p class="error">The update process was aborted prematurely while running <strong>update #'. $version .' in '. $module .'.module</strong>.'. $log_message;
webmaster@1 317 if (module_exists('dblog')) {
webmaster@1 318 $output .= ' You may need to check the <code>watchdog</code> database table manually.';
webmaster@1 319 }
webmaster@1 320 $output .= '</p>';
webmaster@1 321 }
webmaster@1 322
webmaster@1 323 if (!empty($GLOBALS['update_free_access'])) {
webmaster@1 324 $output .= "<p><strong>Reminder: don't forget to set the <code>\$update_free_access</code> value in your <code>settings.php</code> file back to <code>FALSE</code>.</strong></p>";
webmaster@1 325 }
webmaster@1 326
webmaster@1 327 $output .= theme('item_list', $links);
webmaster@1 328
webmaster@1 329 // Output a list of queries executed
webmaster@1 330 if (!empty($_SESSION['update_results'])) {
webmaster@1 331 $output .= '<div id="update-results">';
webmaster@1 332 $output .= '<h2>The following queries were executed</h2>';
webmaster@1 333 foreach ($_SESSION['update_results'] as $module => $updates) {
webmaster@1 334 $output .= '<h3>'. $module .' module</h3>';
webmaster@1 335 foreach ($updates as $number => $queries) {
webmaster@1 336 if ($number != '#abort') {
webmaster@1 337 $output .= '<h4>Update #'. $number .'</h4>';
webmaster@1 338 $output .= '<ul>';
webmaster@1 339 foreach ($queries as $query) {
webmaster@1 340 if ($query['success']) {
webmaster@1 341 $output .= '<li class="success">'. $query['query'] .'</li>';
webmaster@1 342 }
webmaster@1 343 else {
webmaster@1 344 $output .= '<li class="failure"><strong>Failed:</strong> '. $query['query'] .'</li>';
webmaster@1 345 }
webmaster@1 346 }
webmaster@1 347 if (!count($queries)) {
webmaster@1 348 $output .= '<li class="none">No queries</li>';
webmaster@1 349 }
webmaster@1 350 }
webmaster@1 351 $output .= '</ul>';
webmaster@1 352 }
webmaster@1 353 }
webmaster@1 354 $output .= '</div>';
webmaster@1 355 }
webmaster@1 356 unset($_SESSION['update_results']);
webmaster@1 357 unset($_SESSION['update_success']);
webmaster@1 358
webmaster@1 359 return $output;
webmaster@1 360 }
webmaster@1 361
webmaster@1 362 function update_info_page() {
webmaster@1 363 // Change query-strings on css/js files to enforce reload for all users.
webmaster@1 364 _drupal_flush_css_js();
webmaster@1 365 // Flush the cache of all data for the update status module.
webmaster@1 366 if (db_table_exists('cache_update')) {
webmaster@1 367 cache_clear_all('*', 'cache_update', TRUE);
webmaster@1 368 }
webmaster@1 369
webmaster@1 370 update_task_list('info');
webmaster@1 371 drupal_set_title('Drupal database update');
webmaster@1 372 $output = '<p>Use this utility to update your database whenever a new release of Drupal or a module is installed.</p><p>For more detailed information, see the <a href="http://drupal.org/node/258">Installation and upgrading handbook</a>. If you are unsure what these terms mean you should probably contact your hosting provider.</p>';
webmaster@1 373 $output .= "<ol>\n";
webmaster@1 374 $output .= "<li><strong>Back up your database</strong>. This process will change your database values and in case of emergency you may need to revert to a backup.</li>\n";
webmaster@1 375 $output .= "<li><strong>Back up your code</strong>. Hint: when backing up module code, do not leave that backup in the 'modules' or 'sites/*/modules' directories as this may confuse Drupal's auto-discovery mechanism.</li>\n";
webmaster@1 376 $output .= '<li>Put your site into <a href="'. base_path() .'?q=admin/settings/site-maintenance">maintenance mode</a>.</li>'."\n";
webmaster@1 377 $output .= "<li>Install your new files in the appropriate location, as described in the handbook.</li>\n";
webmaster@1 378 $output .= "</ol>\n";
webmaster@1 379 $output .= "<p>When you have performed the steps above, you may proceed.</p>\n";
webmaster@1 380 $output .= '<form method="post" action="update.php?op=selection"><input type="submit" value="Continue" /></form>';
webmaster@1 381 $output .= "\n";
webmaster@1 382 return $output;
webmaster@1 383 }
webmaster@1 384
webmaster@1 385 function update_access_denied_page() {
webmaster@1 386 drupal_set_title('Access denied');
webmaster@1 387 return '<p>Access denied. You are not authorized to access this page. Please log in as the admin user (the first user you created). If you cannot log in, you will have to edit <code>settings.php</code> to bypass this access check. To do this:</p>
webmaster@1 388 <ol>
webmaster@1 389 <li>With a text editor find the settings.php file on your system. From the main Drupal directory that you installed all the files into, go to <code>sites/your_site_name</code> if such directory exists, or else to <code>sites/default</code> which applies otherwise.</li>
webmaster@1 390 <li>There is a line inside your settings.php file that says <code>$update_free_access = FALSE;</code>. Change it to <code>$update_free_access = TRUE;</code>.</li>
webmaster@1 391 <li>As soon as the update.php script is done, you must change the settings.php file back to its original form with <code>$update_free_access = FALSE;</code>.</li>
webmaster@1 392 <li>To avoid having this problem in future, remember to log in to your website as the admin user (the user you first created) before you backup your database at the beginning of the update process.</li>
webmaster@1 393 </ol>';
webmaster@1 394 }
webmaster@1 395
webmaster@1 396 /**
webmaster@1 397 * Create the batch table.
webmaster@1 398 *
webmaster@1 399 * This is part of the Drupal 5.x to 6.x migration.
webmaster@1 400 */
webmaster@1 401 function update_create_batch_table() {
webmaster@1 402
webmaster@1 403 // If batch table exists, update is not necessary
webmaster@1 404 if (db_table_exists('batch')) {
webmaster@1 405 return;
webmaster@1 406 }
webmaster@1 407
webmaster@1 408 $schema['batch'] = array(
webmaster@1 409 'fields' => array(
webmaster@1 410 'bid' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
webmaster@1 411 'token' => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE),
webmaster@1 412 'timestamp' => array('type' => 'int', 'not null' => TRUE),
webmaster@1 413 'batch' => array('type' => 'text', 'not null' => FALSE, 'size' => 'big')
webmaster@1 414 ),
webmaster@1 415 'primary key' => array('bid'),
webmaster@1 416 'indexes' => array('token' => array('token')),
webmaster@1 417 );
webmaster@1 418
webmaster@1 419 $ret = array();
webmaster@1 420 db_create_table($ret, 'batch', $schema['batch']);
webmaster@1 421 return $ret;
webmaster@1 422 }
webmaster@1 423
webmaster@1 424 /**
webmaster@1 425 * Disable anything in the {system} table that is not compatible with the
webmaster@1 426 * current version of Drupal core.
webmaster@1 427 */
webmaster@1 428 function update_fix_compatibility() {
webmaster@1 429 $ret = array();
webmaster@1 430 $incompatible = array();
webmaster@1 431 $query = db_query("SELECT name, type, status FROM {system} WHERE status = 1 AND type IN ('module','theme')");
webmaster@1 432 while ($result = db_fetch_object($query)) {
webmaster@1 433 if (update_check_incompatibility($result->name, $result->type)) {
webmaster@1 434 $incompatible[] = $result->name;
webmaster@1 435 }
webmaster@1 436 }
webmaster@1 437 if (!empty($incompatible)) {
webmaster@1 438 $ret[] = update_sql("UPDATE {system} SET status = 0 WHERE name IN ('". implode("','", $incompatible) ."')");
webmaster@1 439 }
webmaster@1 440 return $ret;
webmaster@1 441 }
webmaster@1 442
webmaster@1 443 /**
webmaster@1 444 * Helper function to test compatibility of a module or theme.
webmaster@1 445 */
webmaster@1 446 function update_check_incompatibility($name, $type = 'module') {
webmaster@1 447 static $themes, $modules;
webmaster@1 448
webmaster@1 449 // Store values of expensive functions for future use.
webmaster@1 450 if (empty($themes) || empty($modules)) {
webmaster@1 451 $themes = system_theme_data();
webmaster@1 452 $modules = module_rebuild_cache();
webmaster@1 453 }
webmaster@1 454
webmaster@1 455 if ($type == 'module' && isset($modules[$name])) {
webmaster@1 456 $file = $modules[$name];
webmaster@1 457 }
webmaster@1 458 else if ($type == 'theme' && isset($themes[$name])) {
webmaster@1 459 $file = $themes[$name];
webmaster@1 460 }
webmaster@1 461 if (!isset($file)
webmaster@1 462 || !isset($file->info['core'])
webmaster@1 463 || $file->info['core'] != DRUPAL_CORE_COMPATIBILITY
webmaster@1 464 || version_compare(phpversion(), $file->info['php']) < 0) {
webmaster@1 465 return TRUE;
webmaster@1 466 }
webmaster@1 467 return FALSE;
webmaster@1 468 }
webmaster@1 469
webmaster@1 470 /**
webmaster@1 471 * Perform Drupal 5.x to 6.x updates that are required for update.php
webmaster@1 472 * to function properly.
webmaster@1 473 *
webmaster@1 474 * This function runs when update.php is run the first time for 6.x,
webmaster@1 475 * even before updates are selected or performed. It is important
webmaster@1 476 * that if updates are not ultimately performed that no changes are
webmaster@1 477 * made which make it impossible to continue using the prior version.
webmaster@1 478 * Just adding columns is safe. However, renaming the
webmaster@1 479 * system.description column to owner is not. Therefore, we add the
webmaster@1 480 * system.owner column and leave it to system_update_6008() to copy
webmaster@1 481 * the data from description and remove description. The same for
webmaster@1 482 * renaming locales_target.locale to locales_target.language, which
webmaster@1 483 * will be finished by locale_update_6002().
webmaster@1 484 */
webmaster@1 485 function update_fix_d6_requirements() {
webmaster@1 486 $ret = array();
webmaster@1 487
webmaster@1 488 if (drupal_get_installed_schema_version('system') < 6000 && !variable_get('update_d6_requirements', FALSE)) {
webmaster@1 489 $spec = array('type' => 'int', 'size' => 'small', 'default' => 0, 'not null' => TRUE);
webmaster@1 490 db_add_field($ret, 'cache', 'serialized', $spec);
webmaster@1 491 db_add_field($ret, 'cache_filter', 'serialized', $spec);
webmaster@1 492 db_add_field($ret, 'cache_page', 'serialized', $spec);
webmaster@1 493 db_add_field($ret, 'cache_menu', 'serialized', $spec);
webmaster@1 494
webmaster@1 495 db_add_field($ret, 'system', 'info', array('type' => 'text'));
webmaster@1 496 db_add_field($ret, 'system', 'owner', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''));
webmaster@1 497 if (db_table_exists('locales_target')) {
webmaster@1 498 db_add_field($ret, 'locales_target', 'language', array('type' => 'varchar', 'length' => 12, 'not null' => TRUE, 'default' => ''));
webmaster@1 499 }
webmaster@1 500 if (db_table_exists('locales_source')) {
webmaster@1 501 db_add_field($ret, 'locales_source', 'textgroup', array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => 'default'));
webmaster@1 502 db_add_field($ret, 'locales_source', 'version', array('type' => 'varchar', 'length' => 20, 'not null' => TRUE, 'default' => 'none'));
webmaster@1 503 }
webmaster@1 504 variable_set('update_d6_requirements', TRUE);
webmaster@1 505
webmaster@1 506 // Create the cache_block table. See system_update_6027() for more details.
webmaster@1 507 $schema['cache_block'] = array(
webmaster@1 508 'fields' => array(
webmaster@1 509 'cid' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
webmaster@1 510 'data' => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
webmaster@1 511 'expire' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
webmaster@1 512 'created' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
webmaster@1 513 'headers' => array('type' => 'text', 'not null' => FALSE),
webmaster@1 514 'serialized' => array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0)
webmaster@1 515 ),
webmaster@1 516 'indexes' => array('expire' => array('expire')),
webmaster@1 517 'primary key' => array('cid'),
webmaster@1 518 );
webmaster@1 519 db_create_table($ret, 'cache_block', $schema['cache_block']);
webmaster@1 520 }
webmaster@1 521
webmaster@1 522 return $ret;
webmaster@1 523 }
webmaster@1 524
webmaster@1 525 /**
webmaster@1 526 * Add the update task list to the current page.
webmaster@1 527 */
webmaster@1 528 function update_task_list($active = NULL) {
webmaster@1 529 // Default list of tasks.
webmaster@1 530 $tasks = array(
webmaster@1 531 'info' => 'Overview',
webmaster@1 532 'select' => 'Select updates',
webmaster@1 533 'run' => 'Run updates',
webmaster@1 534 'finished' => 'Review log',
webmaster@1 535 );
webmaster@1 536
webmaster@1 537 drupal_set_content('left', theme('task_list', $tasks, $active));
webmaster@1 538 }
webmaster@1 539
webmaster@1 540 /**
webmaster@1 541 * Check update requirements and report any errors.
webmaster@1 542 */
webmaster@1 543 function update_check_requirements() {
webmaster@1 544 // Check the system module requirements only.
webmaster@1 545 $requirements = module_invoke('system', 'requirements', 'update');
webmaster@1 546 $severity = drupal_requirements_severity($requirements);
webmaster@1 547
webmaster@1 548 // If there are issues, report them.
webmaster@1 549 if ($severity != REQUIREMENT_OK) {
webmaster@1 550 foreach ($requirements as $requirement) {
webmaster@1 551 if (isset($requirement['severity']) && $requirement['severity'] != REQUIREMENT_OK) {
webmaster@1 552 $message = isset($requirement['description']) ? $requirement['description'] : '';
webmaster@1 553 if (isset($requirement['value']) && $requirement['value']) {
webmaster@1 554 $message .= ' (Currently using '. $requirement['title'] .' '. $requirement['value'] .')';
webmaster@1 555 }
webmaster@1 556 drupal_set_message($message, 'warning');
webmaster@1 557 }
webmaster@1 558 }
webmaster@1 559 }
webmaster@1 560 }
webmaster@1 561
webmaster@1 562 // Some unavoidable errors happen because the database is not yet up-to-date.
webmaster@1 563 // Our custom error handler is not yet installed, so we just suppress them.
webmaster@1 564 ini_set('display_errors', FALSE);
webmaster@1 565
webmaster@1 566 require_once './includes/bootstrap.inc';
webmaster@1 567
webmaster@1 568 // We only load DRUPAL_BOOTSTRAP_CONFIGURATION for the update requirements
webmaster@1 569 // check to avoid reaching the PHP memory limit.
webmaster@1 570 $op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
webmaster@1 571 if (empty($op)) {
webmaster@1 572 // Minimum load of components.
webmaster@1 573 drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
webmaster@1 574
webmaster@1 575 require_once './includes/install.inc';
webmaster@1 576 require_once './includes/file.inc';
webmaster@1 577 require_once './modules/system/system.install';
webmaster@1 578
webmaster@1 579 // Load module basics.
webmaster@1 580 include_once './includes/module.inc';
webmaster@1 581 $module_list['system']['filename'] = 'modules/system/system.module';
webmaster@1 582 $module_list['filter']['filename'] = 'modules/filter/filter.module';
webmaster@1 583 module_list(TRUE, FALSE, FALSE, $module_list);
webmaster@1 584 drupal_load('module', 'system');
webmaster@1 585 drupal_load('module', 'filter');
webmaster@1 586
webmaster@1 587 // Set up $language, since the installer components require it.
webmaster@1 588 drupal_init_language();
webmaster@1 589
webmaster@1 590 // Set up theme system for the maintenance page.
webmaster@1 591 drupal_maintenance_theme();
webmaster@1 592
webmaster@1 593 // Check the update requirements for Drupal.
webmaster@1 594 update_check_requirements();
webmaster@1 595
webmaster@1 596 // Display the warning messages (if any) in a dedicated maintenance page,
webmaster@1 597 // or redirect to the update information page if no message.
webmaster@1 598 $messages = drupal_set_message();
webmaster@1 599 if (!empty($messages['warning'])) {
webmaster@1 600 drupal_maintenance_theme();
webmaster@1 601 print theme('update_page', '<form method="post" action="update.php?op=info"><input type="submit" value="Continue" /></form>', FALSE);
webmaster@1 602 exit;
webmaster@1 603 }
webmaster@1 604 install_goto('update.php?op=info');
webmaster@1 605 }
webmaster@1 606
webmaster@1 607 drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
webmaster@1 608 drupal_maintenance_theme();
webmaster@1 609
webmaster@1 610 // This must happen *after* drupal_bootstrap(), since it calls
webmaster@1 611 // variable_(get|set), which only works after a full bootstrap.
webmaster@1 612 update_create_batch_table();
webmaster@1 613
webmaster@1 614 // Turn error reporting back on. From now on, only fatal errors (which are
webmaster@1 615 // not passed through the error handler) will cause a message to be printed.
webmaster@1 616 ini_set('display_errors', TRUE);
webmaster@1 617
webmaster@1 618 // Access check:
webmaster@1 619 if (!empty($update_free_access) || $user->uid == 1) {
webmaster@1 620
webmaster@1 621 include_once './includes/install.inc';
webmaster@1 622 include_once './includes/batch.inc';
webmaster@1 623 drupal_load_updates();
webmaster@1 624
webmaster@1 625 update_fix_d6_requirements();
webmaster@1 626 update_fix_compatibility();
webmaster@1 627
webmaster@1 628 $op = isset($_REQUEST['op']) ? $_REQUEST['op'] : '';
webmaster@1 629 switch ($op) {
webmaster@1 630 // update.php ops
webmaster@1 631 case 'info':
webmaster@1 632 $output = update_info_page();
webmaster@1 633 break;
webmaster@1 634
webmaster@1 635 case 'selection':
webmaster@1 636 $output = update_selection_page();
webmaster@1 637 break;
webmaster@1 638
webmaster@1 639 case 'Update':
webmaster@1 640 update_batch();
webmaster@1 641 break;
webmaster@1 642
webmaster@1 643 case 'results':
webmaster@1 644 $output = update_results_page();
webmaster@1 645 break;
webmaster@1 646
webmaster@1 647 // Regular batch ops : defer to batch processing API
webmaster@1 648 default:
webmaster@1 649 update_task_list('run');
webmaster@1 650 $output = _batch_page();
webmaster@1 651 break;
webmaster@1 652 }
webmaster@1 653 }
webmaster@1 654 else {
webmaster@1 655 $output = update_access_denied_page();
webmaster@1 656 }
webmaster@1 657 if (isset($output) && $output) {
webmaster@1 658 // We defer the display of messages until all updates are done.
webmaster@1 659 $progress_page = ($batch = batch_get()) && isset($batch['running']);
webmaster@1 660 print theme('update_page', $output, !$progress_page);
webmaster@1 661 }