Index: CHANGELOG.txt
===================================================================
RCS file: /cvs/drupal/drupal/CHANGELOG.txt,v
retrieving revision 1.195
diff -u -p -r1.195 CHANGELOG.txt
--- CHANGELOG.txt	8 May 2007 16:36:55 -0000	1.195
+++ CHANGELOG.txt	10 May 2007 11:51:42 -0000
@@ -32,6 +32,9 @@ Drupal 6.0, xxxx-xx-xx (development vers
     * Used the Garland theme for the installation and maintenance pages.
     * Added theme preprocess functions for themes that are templates
 - Refactored update.php to a generic batch API to be able to run time consuming operations in multiple subsequent HTTP requests
+- Installer:
+    * Added form to provide initial site information during installation.
+    * Added ability to provide extra installation steps programmatically.
 
 Drupal 5.0, 2007-01-15
 ----------------------
Index: install.php
===================================================================
RCS file: /cvs/drupal/drupal/install.php,v
retrieving revision 1.44
diff -u -p -r1.44 install.php
--- install.php	8 May 2007 22:10:22 -0000	1.44
+++ install.php	10 May 2007 11:51:43 -0000
@@ -27,16 +27,19 @@ function install_main() {
   // Check existing settings.php.
   $verify = install_verify_settings();
 
-  // Drupal may already be installed.
   if ($verify) {
     // Establish a connection to the database.
     require_once './includes/database.inc';
     db_set_active();
     // Check if Drupal is installed.
-    if (install_verify_drupal()) {
+    $task = install_verify_drupal();
+    if ($task == 'done') {
       install_already_done_error();
     }
   }
+  else {
+    $task = NULL;
+  }
 
   // Load module basics (needed for hook invokes).
   include_once './includes/module.inc';
@@ -57,6 +60,9 @@ function install_main() {
     install_no_profile_error();
   }
 
+  // Load the profile.
+  require_once "./profiles/$profile/$profile.profile";
+
   // Locale selection
   if (!empty($_GET['locale'])) {
     $install_locale = preg_replace('/[^a-zA-Z_0-9]/', '', $_GET['locale']);
@@ -65,46 +71,49 @@ function install_main() {
     install_goto("install.php?profile=$profile&locale=$install_locale");
   }
 
-  // Load the profile.
-  require_once "./profiles/$profile/$profile.profile";
-
-  // Check the installation requirements for Drupal and this profile.
-  install_check_requirements($profile);
+  // Tasks come after the database is set up
+  if (!$task) {
+    // Check the installation requirements for Drupal and this profile.
+    install_check_requirements($profile);
 
-  // Change the settings.php information if verification failed earlier.
-  // Note: will trigger a redirect if database credentials change.
-  if (!$verify) {
-    install_change_settings($profile, $install_locale);
-  }
+    // Change the settings.php information if verification failed earlier.
+    // Note: will trigger a redirect if database credentials change.
+    if (!$verify) {
+      install_change_settings($profile, $install_locale);
+    }
 
-  // Verify existence of all required modules.
-  $modules = drupal_verify_profile($profile, $install_locale);
-  if (!$modules) {
-    install_missing_modules_error($profile);
-  }
+    // Verify existence of all required modules.
+    $modules = drupal_verify_profile($profile, $install_locale);
+    if (!$modules) {
+      install_missing_modules_error($profile);
+    }
 
-  // Perform actual installation defined in the profile.
-  drupal_install_profile($profile, $modules);
+    // Perform actual installation defined in the profile.
+    drupal_install_profile($profile, $modules);
 
-  // Warn about settings.php permissions risk
-  $settings_file = './'. conf_path() .'/settings.php';
-  if (!drupal_verify_install_file($settings_file, FILE_EXIST|FILE_READABLE|FILE_NOT_WRITABLE)) {
-    drupal_set_message(st('All necessary changes to %file have been made, so you should now remove write permissions to this file. Failure to remove write permissions to this file is a security risk.', array('%file' => $settings_file)), 'error');
-  }
-  else {
-    drupal_set_message(st('All necessary changes to %file have been made. It has been set to read-only for security.', array('%file' => $settings_file)));
+    // Warn about settings.php permissions risk
+    $settings_file = './'. conf_path() .'/settings.php';
+    if (!drupal_verify_install_file($settings_file, FILE_EXIST|FILE_READABLE|FILE_NOT_WRITABLE)) {
+      drupal_set_message(st('All necessary changes to %file have been made, so you should now remove write permissions to this file. Failure to remove write permissions to this file is a security risk.', array('%file' => $settings_file)), 'error');
+    }
+    else {
+      drupal_set_message(st('All necessary changes to %file have been made. It has been set to read-only for security.', array('%file' => $settings_file)));
+    }
   }
 
-  // Show end page.
-  install_complete($profile);
+  // The database is set up, turn to further tasks.
+  install_tasks($profile, $task);
 }
 
 /**
  * Verify if Drupal is installed.
  */
 function install_verify_drupal() {
-  $result = @db_query("SELECT name FROM {system} WHERE name = 'system'");
-  return $result && db_result($result) == 'system';
+  // Read the variable manually using the @ so we don't trigger an error if it fails.
+  $result = @db_query("SELECT value FROM {variable} WHERE name = 'install_task'");
+  if ($result) {
+    return unserialize(db_result($result));
+  }
 }
 
 /**
@@ -114,7 +123,7 @@ function install_verify_settings() {
   global $db_prefix, $db_type, $db_url;
 
   // Verify existing settings (if any).
-  if ($_SERVER['REQUEST_METHOD'] == 'GET' && !empty($db_url)) {
+  if (!empty($db_url)) {
     // We need this because we want to run form_get_errors.
     include_once './includes/form.inc';
 
@@ -555,40 +564,83 @@ function install_missing_modules_error($
 }
 
 /**
- * Page displayed when the installation is complete. Called from install.php.
+ * Tasks performed after the database is initialized. Called from install.php.
  */
-function install_complete($profile) {
+function install_tasks($profile, $task) {
   global $base_url;
   $output = '';
-  // Store install profile for later use.
-  variable_set('install_profile', $profile);
 
   // Bootstrap newly installed Drupal, while preserving existing messages.
   $messages = $_SESSION['messages'];
   drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
   $_SESSION['messages'] = $messages;
 
-  // Build final page.
+  // Build a page for a final task.
   drupal_maintenance_theme();
-  install_task_list();
-  drupal_set_title(st('@drupal installation complete', array('@drupal' => drupal_install_profile_name())));
-  $output .= '<p>'. st('Congratulations, @drupal has been successfully installed.', array('@drupal' => drupal_install_profile_name())) .'</p>';
-
-  // Show profile finalization info.
-  $function = $profile .'_profile_final';
-  if (function_exists($function)) {
-    // More steps required
-    $profile_message = $function();
+  if (empty($task)) {
+    variable_set('install_task', 'configure');
+    $task = 'configure';
+  }
+  
+  if ($task == 'configure') {
+    drupal_set_title(st('Configure site'));
+    menu_rebuild();
+
+    // We break the form up so we can tell when it's been successfully
+    // submitted.
+    $form = drupal_retrieve_form('install_configure_form');
+
+    // In order to find out if the form was successfully submitted or not,
+    // we do a little song and dance to set the form to 'programmed' and check
+    // to make sure this is really the form being submitted. It'd better be.
+    if ($_POST && $_POST['form_id'] == 'install_configure_form') {
+      $form['#programmed'] = TRUE;
+      $form['#post'] = $_POST;
+    }
+
+    if (!drupal_process_form('install_configure_form', $form)) {
+      $output = drupal_render_form('install_configure_form', $form);
+      install_task_list('configure');
+    }
   }
 
-  menu_rebuild();
-  // If the profile returned a welcome message, use that instead of default.
-  if (isset($profile_message)) {
-    $output .= $profile_message;
-  }
-  else {
-    // No more steps
-    $output .= '<p>'. (drupal_set_message() ? st('Please review the messages above before continuing on to <a href="@url">your new site</a>.', array('@url' => url(''))) : st('You may now visit <a href="@url">your new site</a>.', array('@url' => url('')))) .'</p>';
+  // If we have no output, then install.php is done and now we turn to
+  // our profile to run it's own tasks.
+  if (empty($output)) {
+    // Profile might define more tasks.
+    $function = $profile .'_profile_final';
+    if (function_exists($function)) {
+      // More tasks are required by this profile.
+      // $task is sent through as a reference and may be changed!
+      $output = $function($task);
+    }
+
+    // Safety: if the profile doesn't do anything, catch it.
+    if ($task == 'configure') {
+      $task = 'finished';
+    }
+
+    // Display default 'finished' page to user. A custom finished page
+    // can be displayed by skipping this step and going to 'done' directly.
+    if ($task == 'finished') {
+      drupal_set_title(st('@drupal installation complete', array('@drupal' => drupal_install_profile_name())));
+      $page = '<p>'. st('Congratulations, @drupal has been successfully installed.', array('@drupal' => drupal_install_profile_name())) .'</p>';
+      $page .= $output;
+      $messages = drupal_set_message();
+      $page .= '<p>'. (isset($messages['error']) ? st('Please review the messages above before continuing on to <a href="@url">your new site</a>.', array('@url' => url(''))) : st('You may now visit <a href="@url">your new site</a>.', array('@url' => url('')))) .'</p>';
+      $output = $page;
+      $task = 'done';
+    }
+    
+    // The end of the install process. Remember profile used.
+    if ($task == 'done') {
+      variable_set('install_profile', $profile);
+    }
+
+    // Set task for user, and remember the task in the database.
+    install_task_list($task);
+    variable_set('install_task', $task);
+
   }
   // Output page.
   print theme('maintenance_page', $output);
@@ -629,19 +681,179 @@ function install_task_list($active = NUL
     'requirements' => st('Verify requirements'),
     'database' => st('Database setup'),
     'install' => st('Installation'),
+    'configure' => st('Configure site'),
   );
 
+  $profiles = install_find_profiles();
   // Remove profiles if only one profile exists.
-  if (count(install_find_profiles()) == 1) {
+  if (count($profiles) == 1) {
     unset($tasks['profile']);
   }
 
   // Remove locale if no install profiles use them.
-  if (count(install_find_locales('.')) == 1) {
+  $profile = isset($_GET['profile']) && isset($profiles[$_GET['profile']]) ? $_GET['profile'] : '.';
+  if (count(install_find_locales($profile)) == 1) {
     unset($tasks['locale']);
   }
 
+  if ($profile) {
+    $function = $profile .'_profile_task_list';
+    if (function_exists($function)) {
+      $result = $function();
+      if (is_array($result)) {
+        $tasks += $result;
+      }
+    }
+  }
+  
+  // Add finished step as the last task.
+  $tasks += array('finished' => st('Finished'));
+
+  // Let the theming function know that 'finished' and 'done'
+  // include everything, so every step is completed.
+  if (in_array($active, array('finished', 'done'))) {
+    $active = NULL;
+  }
   drupal_set_content('left', theme_task_list($tasks, $active));
 }
 
+function install_configure_form() {
+  // This is necessary to add the task to the $_GET args so the install
+  // system will know that it is done and we've taken over.
+
+  $form['intro'] = array(
+    '#value' => st('To configure your web site, please provide the following information.'),
+    '#weight' => -10,
+  );
+  $form['site_information'] = array(
+    '#type' => 'fieldset',
+    '#title' => st('Site information'),
+    '#collapsible' => FALSE,
+  );
+  $form['site_information']['site_name'] = array(
+    '#type' => 'textfield',
+    '#title' => st('Site name'),
+    '#default_value' => variable_get('site_name', 'Drupal'),
+    '#required' => TRUE,
+    '#weight' => -20,
+  );
+  $form['site_information']['site_mail'] = array(
+    '#type' => 'textfield',
+    '#title' => st('Site e-mail address'),
+    '#default_value' => variable_get('site_mail', ini_get('sendmail_from')),
+    '#description' => st('A valid e-mail address to be used as the "From" address by the auto-mailer during registration, new password requests, notifications, etc.  To lessen the likelihood of e-mail being marked as spam, this e-mail address should use the same domain as the website.'),
+    '#required' => TRUE,
+    '#weight' => -15,
+  );
+  $form['admin_account'] = array(
+    '#type' => 'fieldset',
+    '#title' => st('Administrator account'),
+    '#collapsible' => FALSE,
+  );
+  $form['admin_account']['account']['#tree'] = TRUE;
+  $form['admin_account']['markup'] = array(
+    '#value' => '<p class="description">'. st('The administrator account has complete access to the site; it will automatically be granted all permissions and can perform any administrative activity. This will be the only account that can perform certain activities, so keep its credentials safe.') .'</p>',
+    '#weight' => -10,
+  );
+
+  $form['admin_account']['account']['name'] = array('#type' => 'textfield',
+    '#title' => st('Username'),
+    '#maxlength' => USERNAME_MAX_LENGTH,
+    '#description' => st('Spaces are allowed; punctuation is not allowed except for periods, hyphens, and underscores.'),
+    '#required' => TRUE,
+    '#weight' => -10,
+  );
+
+  $form['admin_account']['account']['mail'] = array('#type' => 'textfield',
+    '#title' => st('E-mail address'),
+    '#maxlength' => EMAIL_MAX_LENGTH,
+    '#description' => st('All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail.'),
+    '#required' => TRUE,
+    '#weight' => -5,
+  );
+  $form['admin_account']['account']['pass'] = array(
+    '#type' => 'password_confirm',
+    '#required' => TRUE,
+    '#size' => 25,
+    '#weight' => 0,
+  );
+
+  $zones = _system_zonelist();
+
+  $form['server_settings'] = array(
+    '#type' => 'fieldset',
+    '#title' => st('Server settings'),
+    '#collapsible' => FALSE,
+  );
+  $form['server_settings']['date_default_timezone'] = array(
+    '#type' => 'select',
+    '#title' => st('Default time zone'),
+    '#default_value' => variable_get('date_default_timezone', 0),
+    '#options' => $zones,
+    '#description' => st('By default, dates in this site will be displayed in the chosen time zone.'),
+    '#weight' => 5,
+  );
+
+  drupal_add_js(drupal_get_path('module', 'system') .'/system.js', 'module');
+  drupal_add_js(array('cleanURL' => array('success' => st('Your server has been successfully tested to support this feature.'), 'failure' => st('Your system configuration does not currently support this feature. The <a href="http://drupal.org/node/15365">handbook page on Clean URLs</a> has additional troubleshooting information.'), 'testing' => st('Testing clean URLs...'))), 'setting');
+  drupal_add_js('
+// Global Killswitch
+if (Drupal.jsEnabled) {
+  $(document).ready(function() {
+    Drupal.cleanURLsInstallCheck();
+    Drupal.installDefaultTimezone();
+  });
+}', 'inline');
+
+  $form['server_settings']['clean_url'] = array(
+    '#type' => 'radios',
+    '#title' => st('Clean URLs'),
+    '#default_value' => variable_get('clean_url', 0),
+    '#options' => array(st('Disabled'), st('Enabled')),
+    '#description' => st('This option makes Drupal emit "clean" URLs (i.e. without <code>?q=</code> in the URL).'),
+    '#disabled' => TRUE,
+    '#prefix' => '<div id="clean-url" class="install">',
+    '#suffix' => '</div>',
+    '#weight' => 10,
+  );
+
+  $form['submit'] = array(
+    '#type' => 'submit',
+    '#value' => st('Submit'),
+    '#weight' => 15,
+  );
+  $hook_form_alter = $_GET['profile'] .'_form_alter';
+  if (function_exists($hook_form_alter)) {
+    $form = $hook_form_alter($form, 'install_configure');
+  }
+  return $form;
+}
+
+function install_configure_form_validate($form_id, $form_values, $form) {
+  if ($error = user_validate_name($form_values['account']['name'])) {
+    form_error($form['admin_account']['account']['name'], $error);
+  }
+  if ($error = user_validate_mail($form_values['account']['mail'])) {
+    form_error($form['admin_account']['account']['mail'], $error);
+  }
+  if ($error = user_validate_mail($form_values['site_mail'])) {
+    form_error($form['site_information']['site_mail'], $error);
+  }
+}
+
+function install_configure_form_submit($form_id, $form_values) {
+  variable_set('site_name', $form_values['site_name']);
+  variable_set('site_mail', $form_values['site_mail']);
+  variable_set('date_default_timezone', $form_values['date_default_timezone']);
+  // Turn this off temporarily so that we can pass a password through.
+  variable_set('user_email_verification', FALSE);
+  user_register_submit('user_register', $form_values['account']);
+  variable_set('user_email_verification', TRUE);
+  if (isset($form_values['clean_url'])) {
+    variable_set('clean_url', $form_values['clean_url']);
+  }
+
+  return 'finished';
+}
+
 install_main();
Index: modules/node/node.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/node/node.module,v
retrieving revision 1.807
diff -u -p -r1.807 node.module
--- modules/node/node.module	8 May 2007 17:08:14 -0000	1.807
+++ modules/node/node.module	10 May 2007 11:51:47 -0000
@@ -2448,10 +2448,6 @@ function node_page_default() {
 
     $default_message = t('<h1 class="title">Welcome to your new Drupal website!</h1><p>Please follow these steps to set up and start using your website:</p>');
     $default_message .= '<ol>';
-
-    if (!$admin) {
-      $default_message .= '<li>'. t('<strong>Create your administrator account</strong> To begin, <a href="@register">create the first account</a>. This account will have full administration rights and will allow you to configure your website.', array('@register' => url('user/register'))) .'</li>';
-    }
     $default_message .= '<li>'. t('<strong>Configure your website</strong> Once logged in, visit the <a href="@admin">administration section</a>, where you can <a href="@config">customize and configure</a> all aspects of your website.', array('@admin' => url('admin'), '@config' => url('admin/settings'))) .'</li>';
     $default_message .= '<li>'. t('<strong>Enable additional functionality</strong> Next, visit the <a href="@modules">module list</a> and enable features which suit your specific needs. You can find additional modules in the <a href="@download_modules">Drupal modules download section</a>.', array('@modules' => url('admin/build/modules'), '@download_modules' => 'http://drupal.org/project/modules')) .'</li>';
     $default_message .= '<li>'. t('<strong>Customize your website design</strong> To change the "look and feel" of your website, visit the <a href="@themes">themes section</a>. You may choose from one of the included themes or download additional themes from the <a href="@download_themes">Drupal themes download section</a>.', array('@themes' => url('admin/build/themes'), '@download_themes' => 'http://drupal.org/project/themes')) .'</li>';
Index: modules/system/system.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.css,v
retrieving revision 1.25
diff -u -p -r1.25 system.css
--- modules/system/system.css	1 May 2007 06:53:03 -0000	1.25
+++ modules/system/system.css	10 May 2007 11:51:47 -0000
@@ -431,3 +431,10 @@ tr.selected td {
 thead div.sticky-header {
   background: #fff;
 }
+
+/*
+** Installation clean URLs
+*/
+#clean-url.install {
+  display: none;
+}
Index: modules/system/system.install
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.install,v
retrieving revision 1.103
diff -u -p -r1.103 system.install
--- modules/system/system.install	9 May 2007 11:39:23 -0000	1.103
+++ modules/system/system.install	10 May 2007 11:51:49 -0000
@@ -3873,6 +3873,14 @@ function system_update_6013() {
   system_theme_data();
 }
 
+/**
+ * Record that the installer is done, so it is not
+ * possible to run the installer on upgraded sites.
+ */
+function system_update_6014() {
+  variable_set('install_task', 'done');
+}
+
 
 /**
  * @} End of "defgroup updates-5.x-to-6.x"
Index: modules/system/system.js
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.js,v
retrieving revision 1.3
diff -u -p -r1.3 system.js
--- modules/system/system.js	29 Apr 2007 16:06:04 -0000	1.3
+++ modules/system/system.js	10 May 2007 11:51:49 -0000
@@ -24,3 +24,35 @@ Drupal.cleanURLsSettingsCheck = function
     }
   }});
 }
+
+/**
+ * Internal function to check using Ajax if clean URLs can be enabled on the
+ * install page.
+ *
+ * This function is not used to verify whether or not clean URLs
+ * are currently enabled.
+ */
+Drupal.cleanURLsInstallCheck = function() {
+  var pathname = location.pathname +"";
+  var url = pathname.replace(/\/[^\/]*?$/, '/') +"node";
+  $("#clean-url .description").append('<span><div id="testing">'+ Drupal.settings.cleanURL.testing +"</div></span>");
+  $("#clean-url.install").css("display", "block");
+  $.ajax({url: location.protocol +"//"+ location.host + url, type: "GET", data: " ", complete: function(response) {
+    $("#testing").toggle();
+    if (response.status == 200) {
+      // Check was successful.
+      $("#clean-url input.form-radio").attr("disabled", "");
+      $("#clean-url .description span").append('<div class="ok">'+ Drupal.settings.cleanURL.success +"</div>");
+      $("#clean-url input.form-radio").attr("checked", 1);
+    }
+    else {
+      // Check failed.
+      $("#clean-url .description span").append('<div class="warning">'+ Drupal.settings.cleanURL.failure +"</div>");
+    }
+  }});
+}
+
+Drupal.installDefaultTimezone = function() {
+  var offset = new Date().getTimezoneOffset() * -60;
+  $("#edit-date-default-timezone").val(offset);
+}
Index: modules/user/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.777
diff -u -p -r1.777 user.module
--- modules/user/user.module	30 Apr 2007 17:03:29 -0000	1.777
+++ modules/user/user.module	10 May 2007 11:51:52 -0000
@@ -1374,8 +1374,10 @@ function user_register_submit($form_id, 
 
   // The first user may login immediately, and receives a customized welcome e-mail.
   if ($account->uid == 1) {
-    drupal_mail('user-register-admin', $mail, t('Drupal user account details for !s', array('!s' => $name)), strtr(t("!username,\n\nYou may now login to !uri using the following username and password:\n\n  username: !username\n  password: !password\n\n!edit_uri\n\n--drupal"), $variables), $from);
-    drupal_set_message(t('<p>Welcome to Drupal. You are user #1, which gives you full and immediate access. All future registrants will receive their passwords via e-mail, so please make sure your website e-mail address is set properly under the general settings on the <a href="@settings">site information settings page</a>.</p><p> Your password is <strong>%pass</strong>. You may change your password below.</p>', array('%pass' => $pass, '@settings' => url('admin/settings/site-information'))));
+    drupal_set_message(t('<p>Welcome to Drupal. You are now logged in as user #1, which gives you full control over your website.</p>'));
+    if (variable_get('user_email_verification', TRUE)) {
+      drupal_set_message(t('</p><p> Your password is <strong>%pass</strong>. You may change your password below.</p>', array('%pass' => $pass)));
+    }
     user_authenticate($account->name, trim($pass));
 
     return 'user/1/edit';
Index: profiles/default/default.profile
===================================================================
RCS file: /cvs/drupal/drupal/profiles/default/default.profile,v
retrieving revision 1.9
diff -u -p -r1.9 default.profile
--- profiles/default/default.profile	10 Apr 2007 10:10:27 -0000	1.9
+++ profiles/default/default.profile	10 May 2007 11:51:52 -0000
@@ -25,13 +25,48 @@ function default_profile_details() {
 }
 
 /**
+ * Return a list of tasks that this profile supports.
+ *
+ * @return
+ *   A keyed array of tasks the profile will perform during the _final stage.
+ */
+function default_profile_task_list() {
+}
+
+/**
  * Perform any final installation tasks for this profile.
  *
+ * You can implement a state machine here to walk the user through
+ * more tasks, by setting $task to something other then the reserved
+ * 'configure', 'finished' and 'done' values. The installer goes
+ * through the configure-finished-done tasks in this order, if you
+ * don't modify $task. If you implement your custom tasks, this
+ * function will get called in every HTTP request (for form
+ * processing, printing your information screens and so on) until
+ * you advance to the 'finished' or 'done' tasks. Once ready with
+ * your profile's tasks, set $task to 'finished' and optionally
+ * return a final message to be included on the default final
+ * install page. Alternatively you can set $task to 'done' and
+ * return a completely custom finished page. In both cases, you
+ * hand the control back to the installer.
+ *
+ * Should a profile want to display a form here, it can; it should set 
+ * the task using variable_set('install_task', 'new_task') and use 
+ * the form technique used in install_tasks() rather than using 
+ * drupal_get_form().
+ *
+ * @param $task
+ *   The current $task of the install system. When hook_profile_final()
+ *   is first called, this is 'configure' (the last built-in task of
+ *   the Drupal installer). 
+ *
  * @return
- *   An optional HTML string to display to the user on the final installation
- *   screen.
+ *   An optional HTML string to display to the user. Used as part of the
+ *   completed page if $task is set to 'finished', or used to display a
+ *   complete page in all other cases.
  */
-function default_profile_final() {
+function default_profile_final(&$task) {
+
   // Insert default user-defined node types into the database. For a complete
   // list of available node type attributes, refer to the node type API
   // documentation at: http://api.drupal.org/api/HEAD/function/hook_node_info.
@@ -73,4 +108,7 @@ function default_profile_final() {
   $theme_settings = variable_get('theme_settings', array());
   $theme_settings['toggle_node_info_page'] = FALSE;
   variable_set('theme_settings', $theme_settings);
+
+  // Let the installer know we're finished:
+  $task = 'finished';
 }
