bring back the email and logging of update failures, but without the transactions

boot.php

@@ -658,32 +658,26 @@ if(! function_exists('check_config')) {
 
 							// call the specific update
 
-//							global $db;
-//							$db->excep(TRUE);
-//							try {
-//								$db->beginTransaction();
-								$func = 'update_' . $x;
-								$func($a);
-//								$db->commit();
-//							} catch(Exception $ex) {
-//								$db->rollback();
-//								//send the administrator an e-mail
-//								$email_tpl = get_intltext_template("update_fail_eml.tpl");
-//								$email_tpl = replace_macros($email_tpl, array(
-//									'$sitename' => $a->config['sitename'],
-//									'$siteurl' =>  $a->get_baseurl(),
-//									'$update' => $x,
-//									'$error' => $ex->getMessage()));
-//								$subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
+							$func = 'update_' . $x;
+							$retval = $func($a);
+							if($retval) {
+								//send the administrator an e-mail
+								$email_tpl = get_intltext_template("update_fail_eml.tpl");
+								$email_tpl = replace_macros($email_tpl, array(
+									'$sitename' => $a->config['sitename'],
+									'$siteurl' =>  $a->get_baseurl(),
+									'$update' => $x,
+									'$error' => sprintf( t('Update %s failed. See error logs.'), $x)
+								));
+								$subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 									
-//								mail($a->config['admin_email'], $subject, $text,
-//										'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
-//										. 'Content-type: text/plain; charset=UTF-8' . "\n"
-//										. 'Content-transfer-encoding: 8bit' );
-//								//try the logger
-//								logger('update failed: '.$ex->getMessage().EOL);
-//							}
-//							$db->excep(FALSE);
+								mail($a->config['admin_email'], $subject, $text,
+									'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
+									. 'Content-type: text/plain; charset=UTF-8' . "\n"
+									. 'Content-transfer-encoding: 8bit' );
+								//try the logger
+								logger('CRITICAL: Update Failed: '. $x);
+							}
 						}
 					}
 					set_config('system','build', DB_UPDATE_VERSION);