WordPress 3.4.1
[autoinstalls/wordpress.git] / wp-admin / includes / update-core.php
index 6fa2ef04e204762af8c8f73720992597b2d48966..2e383ddfcbce9471e6f6d7c0a57151c43469f3ab 100644 (file)
 global $_old_files;
 
 $_old_files = array(
-'wp-admin/bookmarklet.php',
+// 2.0
+'wp-admin/import-b2.php',
+'wp-admin/import-blogger.php',
+'wp-admin/import-greymatter.php',
+'wp-admin/import-livejournal.php',
+'wp-admin/import-mt.php',
+'wp-admin/import-rss.php',
+'wp-admin/import-textpattern.php',
+'wp-admin/quicktags.js',
+'wp-images/fade-butt.png',
+'wp-images/get-firefox.png',
+'wp-images/header-shadow.png',
+'wp-images/smilies',
+'wp-images/wp-small.png',
+'wp-images/wpminilogo.png',
+'wp.php',
+// 2.0.8
+'wp-includes/js/tinymce/plugins/inlinepopups/readme.txt',
+// 2.1
+'wp-admin/edit-form-ajax-cat.php',
+'wp-admin/execute-pings.php',
+'wp-admin/inline-uploading.php',
+'wp-admin/link-categories.php',
+'wp-admin/list-manipulation.js',
+'wp-admin/list-manipulation.php',
+'wp-includes/comment-functions.php',
+'wp-includes/feed-functions.php',
+'wp-includes/functions-compat.php',
+'wp-includes/functions-formatting.php',
+'wp-includes/functions-post.php',
+'wp-includes/js/dbx-key.js',
+'wp-includes/js/tinymce/plugins/autosave/langs/cs.js',
+'wp-includes/js/tinymce/plugins/autosave/langs/sv.js',
+'wp-includes/links.php',
+'wp-includes/pluggable-functions.php',
+'wp-includes/template-functions-author.php',
+'wp-includes/template-functions-category.php',
+'wp-includes/template-functions-general.php',
+'wp-includes/template-functions-links.php',
+'wp-includes/template-functions-post.php',
+'wp-includes/wp-l10n.php',
+// 2.2
+'wp-admin/cat-js.php',
+'wp-admin/import/b2.php',
+'wp-includes/js/autosave-js.php',
+'wp-includes/js/list-manipulation-js.php',
+'wp-includes/js/wp-ajax-js.php',
+// 2.3
+'wp-admin/admin-db.php',
+'wp-admin/cat.js',
+'wp-admin/categories.js',
+'wp-admin/custom-fields.js',
+'wp-admin/dbx-admin-key.js',
+'wp-admin/edit-comments.js',
+'wp-admin/install-rtl.css',
+'wp-admin/install.css',
+'wp-admin/upgrade-schema.php',
+'wp-admin/upload-functions.php',
+'wp-admin/upload-rtl.css',
+'wp-admin/upload.css',
+'wp-admin/upload.js',
+'wp-admin/users.js',
+'wp-admin/widgets-rtl.css',
+'wp-admin/widgets.css',
+'wp-admin/xfn.js',
+'wp-includes/js/tinymce/license.html',
+// 2.5
 'wp-admin/css/upload.css',
-'wp-admin/css/upload-rtl.css',
-'wp-admin/css/press-this-ie.css',
-'wp-admin/css/press-this-ie-rtl.css',
-'wp-admin/edit-form.php',
-'wp-admin/link-import.php',
 'wp-admin/images/box-bg-left.gif',
 'wp-admin/images/box-bg-right.gif',
 'wp-admin/images/box-bg.gif',
@@ -39,47 +100,17 @@ $_old_files = array(
 'wp-admin/images/login-bkg-tile.gif',
 'wp-admin/images/notice.gif',
 'wp-admin/images/toggle.gif',
-'wp-admin/images/comment-stalk-classic.gif',
-'wp-admin/images/comment-stalk-fresh.gif',
-'wp-admin/images/comment-stalk-rtl.gif',
-'wp-admin/images/comment-pill.gif',
-'wp-admin/images/del.png',
-'wp-admin/images/media-button-gallery.gif',
-'wp-admin/images/media-buttons.gif',
-'wp-admin/images/tail.gif',
-'wp-admin/images/gear.png',
-'wp-admin/images/tab.png',
-'wp-admin/images/postbox-bg.gif',
 'wp-admin/includes/upload.php',
 'wp-admin/js/dbx-admin-key.js',
 'wp-admin/js/link-cat.js',
-'wp-admin/js/forms.js',
-'wp-admin/js/upload.js',
-'wp-admin/js/set-post-thumbnail-handler.js',
-'wp-admin/js/set-post-thumbnail-handler.dev.js',
-'wp-admin/js/page.js',
-'wp-admin/js/page.dev.js',
-'wp-admin/js/slug.js',
-'wp-admin/js/slug.dev.js',
 'wp-admin/profile-update.php',
 'wp-admin/templates.php',
-'wp-includes/images/audio.png',
-'wp-includes/images/css.png',
-'wp-includes/images/default.png',
-'wp-includes/images/doc.png',
-'wp-includes/images/exe.png',
-'wp-includes/images/html.png',
-'wp-includes/images/js.png',
-'wp-includes/images/pdf.png',
-'wp-includes/images/swf.png',
-'wp-includes/images/tar.png',
-'wp-includes/images/text.png',
-'wp-includes/images/video.png',
-'wp-includes/images/zip.png',
+'wp-includes/images/wlw/WpComments.png',
+'wp-includes/images/wlw/WpIcon.png',
+'wp-includes/images/wlw/WpWatermark.png',
 'wp-includes/js/dbx.js',
 'wp-includes/js/fat.js',
 'wp-includes/js/list-manipulation.js',
-'wp-includes/js/jquery/jquery.dimensions.min.js',
 'wp-includes/js/tinymce/langs/en.js',
 'wp-includes/js/tinymce/plugins/autosave/editor_plugin_src.js',
 'wp-includes/js/tinymce/plugins/autosave/langs',
@@ -101,78 +132,83 @@ $_old_files = array(
 'wp-includes/js/tinymce/plugins/spellchecker/tinyspell.php',
 'wp-includes/js/tinymce/plugins/wordpress/images',
 'wp-includes/js/tinymce/plugins/wordpress/langs',
-'wp-includes/js/tinymce/plugins/wordpress/popups.css',
 'wp-includes/js/tinymce/plugins/wordpress/wordpress.css',
 'wp-includes/js/tinymce/plugins/wphelp',
 'wp-includes/js/tinymce/themes/advanced/css',
 'wp-includes/js/tinymce/themes/advanced/images',
 'wp-includes/js/tinymce/themes/advanced/jscripts',
 'wp-includes/js/tinymce/themes/advanced/langs',
+// 2.5.1
 'wp-includes/js/tinymce/tiny_mce_gzip.php',
+// 2.6
+'wp-admin/bookmarklet.php',
+'wp-includes/js/jquery/jquery.dimensions.min.js',
+'wp-includes/js/tinymce/plugins/wordpress/popups.css',
 'wp-includes/js/wp-ajax.js',
-'wp-admin/admin-db.php',
-'wp-admin/cat.js',
-'wp-admin/categories.js',
-'wp-admin/custom-fields.js',
-'wp-admin/dbx-admin-key.js',
-'wp-admin/edit-comments.js',
-'wp-admin/install-rtl.css',
-'wp-admin/install.css',
-'wp-admin/upgrade-schema.php',
-'wp-admin/upload-functions.php',
-'wp-admin/upload-rtl.css',
-'wp-admin/upload.css',
-'wp-admin/upload.js',
-'wp-admin/users.js',
-'wp-admin/widgets-rtl.css',
-'wp-admin/widgets.css',
-'wp-admin/xfn.js',
-'wp-includes/js/tinymce/license.html',
-'wp-admin/cat-js.php',
-'wp-admin/edit-form-ajax-cat.php',
-'wp-admin/execute-pings.php',
-'wp-admin/import/b2.php',
+// 2.7
+'wp-admin/css/press-this-ie-rtl.css',
+'wp-admin/css/press-this-ie.css',
+'wp-admin/css/upload-rtl.css',
+'wp-admin/edit-form.php',
+'wp-admin/images/comment-pill.gif',
+'wp-admin/images/comment-stalk-classic.gif',
+'wp-admin/images/comment-stalk-fresh.gif',
+'wp-admin/images/comment-stalk-rtl.gif',
+'wp-admin/images/del.png',
+'wp-admin/images/gear.png',
+'wp-admin/images/media-button-gallery.gif',
+'wp-admin/images/media-buttons.gif',
+'wp-admin/images/postbox-bg.gif',
+'wp-admin/images/tab.png',
+'wp-admin/images/tail.gif',
+'wp-admin/js/forms.js',
+'wp-admin/js/upload.js',
+'wp-admin/link-import.php',
+'wp-includes/images/audio.png',
+'wp-includes/images/css.png',
+'wp-includes/images/default.png',
+'wp-includes/images/doc.png',
+'wp-includes/images/exe.png',
+'wp-includes/images/html.png',
+'wp-includes/images/js.png',
+'wp-includes/images/pdf.png',
+'wp-includes/images/swf.png',
+'wp-includes/images/tar.png',
+'wp-includes/images/text.png',
+'wp-includes/images/video.png',
+'wp-includes/images/zip.png',
+'wp-includes/js/tinymce/tiny_mce_config.php',
+'wp-includes/js/tinymce/tiny_mce_ext.js',
+// 2.8
+'wp-admin/js/users.js',
+'wp-includes/js/swfupload/plugins/swfupload.documentready.js',
+'wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js',
+'wp-includes/js/swfupload/swfupload_f9.swf',
+'wp-includes/js/tinymce/plugins/autosave',
+'wp-includes/js/tinymce/plugins/paste/css',
+'wp-includes/js/tinymce/utils/mclayer.js',
+'wp-includes/js/tinymce/wordpress.css',
+// 2.8.5
 'wp-admin/import/btt.php',
 'wp-admin/import/jkw.php',
-'wp-admin/inline-uploading.php',
-'wp-admin/link-categories.php',
-'wp-admin/list-manipulation.js',
-'wp-admin/list-manipulation.php',
-'wp-includes/comment-functions.php',
-'wp-includes/feed-functions.php',
-'wp-includes/functions-compat.php',
-'wp-includes/functions-formatting.php',
-'wp-includes/functions-post.php',
-'wp-includes/js/dbx-key.js',
-'wp-includes/js/tinymce/plugins/autosave/langs/cs.js',
-'wp-includes/js/tinymce/plugins/autosave/langs/sv.js',
-'wp-includes/js/tinymce/themes/advanced/editor_template_src.js',
-'wp-includes/links.php',
-'wp-includes/pluggable-functions.php',
-'wp-includes/template-functions-author.php',
-'wp-includes/template-functions-category.php',
-'wp-includes/template-functions-general.php',
-'wp-includes/template-functions-links.php',
-'wp-includes/template-functions-post.php',
-'wp-includes/wp-l10n.php',
-'wp-admin/import-b2.php',
-'wp-admin/import-blogger.php',
-'wp-admin/import-greymatter.php',
-'wp-admin/import-livejournal.php',
-'wp-admin/import-mt.php',
-'wp-admin/import-rss.php',
-'wp-admin/import-textpattern.php',
-'wp-admin/quicktags.js',
-'wp-images/fade-butt.png',
-'wp-images/get-firefox.png',
-'wp-images/header-shadow.png',
-'wp-images/smilies',
-'wp-images/wp-small.png',
-'wp-images/wpminilogo.png',
-'wp.php',
+// 2.9
+'wp-admin/js/page.dev.js',
+'wp-admin/js/page.js',
+'wp-admin/js/set-post-thumbnail-handler.dev.js',
+'wp-admin/js/set-post-thumbnail-handler.js',
+'wp-admin/js/slug.dev.js',
+'wp-admin/js/slug.js',
 'wp-includes/gettext.php',
+'wp-includes/js/tinymce/plugins/wordpress/js',
 'wp-includes/streams.php',
 // MU
+'README.txt',
+'htaccess.dist',
+'index-install.php',
+'wp-admin/css/mu-rtl.css',
+'wp-admin/css/mu.css',
+'wp-admin/images/site-admin.png',
+'wp-admin/includes/mu.php',
 'wp-admin/wpmu-admin.php',
 'wp-admin/wpmu-blogs.php',
 'wp-admin/wpmu-edit.php',
@@ -180,23 +216,26 @@ $_old_files = array(
 'wp-admin/wpmu-themes.php',
 'wp-admin/wpmu-upgrade-site.php',
 'wp-admin/wpmu-users.php',
+'wp-includes/images/wordpress-mu.png',
 'wp-includes/wpmu-default-filters.php',
 'wp-includes/wpmu-functions.php',
 'wpmu-settings.php',
-'index-install.php',
-'README.txt',
-'htaccess.dist',
-'wp-admin/css/mu-rtl.css',
-'wp-admin/css/mu.css',
-'wp-admin/images/site-admin.png',
-'wp-admin/includes/mu.php',
-'wp-includes/images/wordpress-mu.png',
 // 3.0
 'wp-admin/categories.php',
 'wp-admin/edit-category-form.php',
 'wp-admin/edit-page-form.php',
 'wp-admin/edit-pages.php',
+'wp-admin/images/admin-header-footer.png',
+'wp-admin/images/browse-happy.gif',
+'wp-admin/images/ico-add.png',
+'wp-admin/images/ico-close.png',
+'wp-admin/images/ico-edit.png',
+'wp-admin/images/ico-viewpage.png',
+'wp-admin/images/fav-top.png',
+'wp-admin/images/screen-options-left.gif',
+'wp-admin/images/wp-logo-vs.gif',
 'wp-admin/images/wp-logo.gif',
+'wp-admin/import',
 'wp-admin/js/wp-gears.dev.js',
 'wp-admin/js/wp-gears.js',
 'wp-admin/options-misc.php',
@@ -208,52 +247,154 @@ $_old_files = array(
 'wp-admin/wp-admin.css',
 'wp-admin/wp-admin.dev.css',
 'wp-includes/js/codepress',
+'wp-includes/js/codepress/engines/khtml.js',
+'wp-includes/js/codepress/engines/older.js',
 'wp-includes/js/jquery/autocomplete.dev.js',
-'wp-includes/js/jquery/interface.js',
 'wp-includes/js/jquery/autocomplete.js',
+'wp-includes/js/jquery/interface.js',
 'wp-includes/js/scriptaculous/prototype.js',
 'wp-includes/js/tinymce/wp-tinymce.js',
-'wp-admin/import',
-'wp-admin/images/ico-edit.png',
-'wp-admin/images/fav-top.png',
-'wp-admin/images/ico-close.png',
-'wp-admin/images/admin-header-footer.png',
-'wp-admin/images/screen-options-left.gif',
-'wp-admin/images/ico-add.png',
-'wp-admin/images/browse-happy.gif',
-'wp-admin/images/ico-viewpage.png',
 // 3.1
-'wp-includes/js/tinymce/blank.htm',
-'wp-includes/js/tinymce/plugins/safari',
-'wp-admin/edit-link-categories.php',
-'wp-admin/edit-post-rows.php',
 'wp-admin/edit-attachment-rows.php',
-'wp-admin/link-category.php',
+'wp-admin/edit-link-categories.php',
 'wp-admin/edit-link-category-form.php',
-'wp-admin/sidebar.php',
-'wp-admin/images/list-vs.png',
-'wp-admin/images/button-grad-vs.png',
+'wp-admin/edit-post-rows.php',
 'wp-admin/images/button-grad-active-vs.png',
-'wp-admin/images/fav-arrow-vs.gif',
+'wp-admin/images/button-grad-vs.png',
 'wp-admin/images/fav-arrow-vs-rtl.gif',
+'wp-admin/images/fav-arrow-vs.gif',
 'wp-admin/images/fav-top-vs.gif',
-'wp-admin/images/screen-options-right.gif',
+'wp-admin/images/list-vs.png',
 'wp-admin/images/screen-options-right-up.gif',
+'wp-admin/images/screen-options-right.gif',
 'wp-admin/images/visit-site-button-grad-vs.gif',
 'wp-admin/images/visit-site-button-grad.gif',
+'wp-admin/link-category.php',
+'wp-admin/sidebar.php',
 'wp-includes/classes.php',
+'wp-includes/js/tinymce/blank.htm',
+'wp-includes/js/tinymce/plugins/media/css/content.css',
+'wp-includes/js/tinymce/plugins/media/img',
+'wp-includes/js/tinymce/plugins/safari',
 // 3.2
+'wp-admin/images/logo-login.gif',
+'wp-admin/images/star.gif',
+'wp-admin/js/list-table.dev.js',
+'wp-admin/js/list-table.js',
 'wp-includes/default-embeds.php',
-'wp-includes/class-json.php',
+'wp-includes/js/tinymce/plugins/wordpress/img/help.gif',
 'wp-includes/js/tinymce/plugins/wordpress/img/more.gif',
 'wp-includes/js/tinymce/plugins/wordpress/img/toolbars.gif',
-'wp-includes/js/tinymce/plugins/wordpress/img/help.gif',
 'wp-includes/js/tinymce/themes/advanced/img/fm.gif',
 'wp-includes/js/tinymce/themes/advanced/img/sflogo.png',
-'wp-admin/js/list-table.js',
-'wp-admin/js/list-table.dev.js',
-'wp-admin/images/logo-login.gif',
-'wp-admin/images/star.gif'
+// 3.3
+'wp-admin/css/colors-classic-rtl.css',
+'wp-admin/css/colors-classic-rtl.dev.css',
+'wp-admin/css/colors-fresh-rtl.css',
+'wp-admin/css/colors-fresh-rtl.dev.css',
+'wp-admin/css/dashboard-rtl.css',
+'wp-admin/css/dashboard-rtl.dev.css',
+'wp-admin/css/dashboard.css',
+'wp-admin/css/dashboard.dev.css',
+'wp-admin/css/farbtastic-rtl.css',
+'wp-admin/css/global-rtl.css',
+'wp-admin/css/global-rtl.dev.css',
+'wp-admin/css/global.css',
+'wp-admin/css/global.dev.css',
+'wp-admin/css/install-rtl.css',
+'wp-admin/css/install-rtl.dev.css',
+'wp-admin/css/login-rtl.css',
+'wp-admin/css/login-rtl.dev.css',
+'wp-admin/css/login.css',
+'wp-admin/css/login.dev.css',
+'wp-admin/css/ms.css',
+'wp-admin/css/ms.dev.css',
+'wp-admin/css/nav-menu-rtl.css',
+'wp-admin/css/nav-menu-rtl.dev.css',
+'wp-admin/css/nav-menu.css',
+'wp-admin/css/nav-menu.dev.css',
+'wp-admin/css/plugin-install-rtl.css',
+'wp-admin/css/plugin-install-rtl.dev.css',
+'wp-admin/css/plugin-install.css',
+'wp-admin/css/plugin-install.dev.css',
+'wp-admin/css/press-this-rtl.css',
+'wp-admin/css/press-this-rtl.dev.css',
+'wp-admin/css/press-this.css',
+'wp-admin/css/press-this.dev.css',
+'wp-admin/css/theme-editor-rtl.css',
+'wp-admin/css/theme-editor-rtl.dev.css',
+'wp-admin/css/theme-editor.css',
+'wp-admin/css/theme-editor.dev.css',
+'wp-admin/css/theme-install-rtl.css',
+'wp-admin/css/theme-install-rtl.dev.css',
+'wp-admin/css/theme-install.css',
+'wp-admin/css/theme-install.dev.css',
+'wp-admin/css/widgets-rtl.css',
+'wp-admin/css/widgets-rtl.dev.css',
+'wp-admin/css/widgets.css',
+'wp-admin/css/widgets.dev.css',
+'wp-admin/includes/internal-linking.php',
+'wp-includes/images/admin-bar-sprite-rtl.png',
+'wp-includes/js/jquery/ui.button.js',
+'wp-includes/js/jquery/ui.core.js',
+'wp-includes/js/jquery/ui.dialog.js',
+'wp-includes/js/jquery/ui.draggable.js',
+'wp-includes/js/jquery/ui.droppable.js',
+'wp-includes/js/jquery/ui.mouse.js',
+'wp-includes/js/jquery/ui.position.js',
+'wp-includes/js/jquery/ui.resizable.js',
+'wp-includes/js/jquery/ui.selectable.js',
+'wp-includes/js/jquery/ui.sortable.js',
+'wp-includes/js/jquery/ui.tabs.js',
+'wp-includes/js/jquery/ui.widget.js',
+'wp-includes/js/l10n.dev.js',
+'wp-includes/js/l10n.js',
+'wp-includes/js/tinymce/plugins/wplink/css',
+'wp-includes/js/tinymce/plugins/wplink/img',
+'wp-includes/js/tinymce/plugins/wplink/js',
+'wp-includes/js/tinymce/themes/advanced/img/wpicons.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/butt2.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/button_bg.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/down_arrow.gif',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/fade-butt.png',
+'wp-includes/js/tinymce/themes/advanced/skins/wp_theme/img/separator.gif',
+// Don't delete, yet: 'wp-rss.php',
+// Don't delete, yet: 'wp-rdf.php',
+// Don't delete, yet: 'wp-rss2.php',
+// Don't delete, yet: 'wp-commentsrss2.php',
+// Don't delete, yet: 'wp-atom.php',
+// Don't delete, yet: 'wp-feed.php',
+// 3.4
+'wp-admin/images/gray-star.png',
+'wp-admin/images/logo-login.png',
+'wp-admin/images/star.png',
+'wp-admin/index-extra.php',
+'wp-admin/network/index-extra.php',
+'wp-admin/user/index-extra.php',
+'wp-admin/images/screenshots/admin-flyouts.png',
+'wp-admin/images/screenshots/coediting.png',
+'wp-admin/images/screenshots/drag-and-drop.png',
+'wp-admin/images/screenshots/help-screen.png',
+'wp-admin/images/screenshots/media-icon.png',
+'wp-admin/images/screenshots/new-feature-pointer.png',
+'wp-admin/images/screenshots/welcome-screen.png',
+'wp-includes/css/editor-buttons.css',
+'wp-includes/css/editor-buttons.dev.css',
+'wp-includes/js/tinymce/plugins/paste/blank.htm',
+'wp-includes/js/tinymce/plugins/wordpress/css',
+'wp-includes/js/tinymce/plugins/wordpress/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wordpress/img/embedded.png',
+'wp-includes/js/tinymce/plugins/wordpress/img/more_bug.gif',
+'wp-includes/js/tinymce/plugins/wordpress/img/page_bug.gif',
+'wp-includes/js/tinymce/plugins/wpdialogs/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpeditimage/css/editimage-rtl.css',
+'wp-includes/js/tinymce/plugins/wpeditimage/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpfullscreen/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpgallery/editor_plugin.dev.js',
+'wp-includes/js/tinymce/plugins/wpgallery/img/gallery.png',
+'wp-includes/js/tinymce/plugins/wplink/editor_plugin.dev.js',
+// Don't delete, yet: 'wp-pass.php',
+// Don't delete, yet: 'wp-register.php',
 );
 
 /**
@@ -265,7 +406,7 @@ $_old_files = array(
  * introduced version present here being older than the current installed version.
  *
  * The content of this array should follow the following format:
- *  Filename (relative to wp-content) => Introduced version
+ * Filename (relative to wp-content) => Introduced version
  * Directories should be noted by suffixing it with a trailing slash (/)
  *
  * @since 3.2.0
@@ -336,9 +477,12 @@ function update_core($from, $to) {
        $mysql_version  = $wpdb->db_version();
        $required_php_version = '5.2.4';
        $required_mysql_version = '5.0';
-       $wp_version = '3.2';
+       $wp_version = '3.4.1';
        $php_compat     = version_compare( $php_version, $required_php_version, '>=' );
-       $mysql_compat   = version_compare( $mysql_version, $required_mysql_version, '>=' ) || file_exists( WP_CONTENT_DIR . '/db.php' );
+       if ( file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) )
+               $mysql_compat = true;
+       else
+               $mysql_compat = version_compare( $mysql_version, $required_mysql_version, '>=' );
 
        if ( !$mysql_compat || !$php_compat )
                $wp_filesystem->delete($from, true);
@@ -385,7 +529,7 @@ function update_core($from, $to) {
                        $lang_dir = WP_CONTENT_DIR . '/languages';
 
                if ( !@is_dir($lang_dir) && 0 === strpos($lang_dir, ABSPATH) ) { // Check the language directory exists first
-                       $wp_filesystem->mkdir($to . str_replace($lang_dir, ABSPATH, ''), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
+                       $wp_filesystem->mkdir($to . str_replace(ABSPATH, '', $lang_dir), FS_CHMOD_DIR); // If it's within the ABSPATH we can handle it here, otherwise they're out of luck.
                        clearstatcache(); // for FTP, Need to clear the stat cache
                }
 
@@ -463,6 +607,11 @@ function update_core($from, $to) {
 
        // Remove maintenance file, we're done.
        $wp_filesystem->delete($maintenance_file);
+
+       // If we made it this far:
+       do_action( '_core_updated_successfully', $wp_version );
+
+       return $wp_version;
 }
 
 /**
@@ -520,4 +669,43 @@ function _copy_dir($from, $to, $skip_list = array() ) {
        return true;
 }
 
-?>
+/**
+ * Redirect to the About WordPress page after a successful upgrade.
+ *
+ * This function is only needed when the existing install is older than 3.4.0.
+ *
+ * @since 3.3.0
+ *
+ */
+function _redirect_to_about_wordpress( $new_version ) {
+       global $wp_version, $pagenow, $action;
+
+       if ( version_compare( $wp_version, '3.4-RC1', '>=' ) )
+               return;
+
+       // Ensure we only run this on the update-core.php page. wp_update_core() could be called in other contexts.
+       if ( 'update-core.php' != $pagenow )
+               return;
+
+       if ( 'do-core-upgrade' != $action && 'do-core-reinstall' != $action )
+               return;
+
+       // Load the updated default text localization domain for new strings
+       load_default_textdomain();
+
+       // See do_core_upgrade()
+       show_message( __('WordPress updated successfully') );
+       show_message( '<span class="hide-if-no-js">' . sprintf( __( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%s">here</a>.' ), $new_version, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
+       show_message( '<span class="hide-if-js">' . sprintf( __( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ), $new_version, esc_url( self_admin_url( 'about.php?updated' ) ) ) . '</span>' );
+       echo '</div>';
+       ?>
+<script type="text/javascript">
+window.location = '<?php echo self_admin_url( 'about.php?updated' ); ?>';
+</script>
+       <?php
+
+       // Include admin-footer.php and exit
+       include(ABSPATH . 'wp-admin/admin-footer.php');
+       exit();
+}
+add_action( '_core_updated_successfully', '_redirect_to_about_wordpress' );