diff -r 000000000000 -r 03b0d1493584 web/wp-admin/includes/update.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/wp-admin/includes/update.php	Wed Dec 23 17:55:33 2009 +0000
@@ -0,0 +1,220 @@
+<?php
+/**
+ * WordPress Administration Update API
+ *
+ * @package WordPress
+ * @subpackage Admin
+ */
+
+// The admin side of our 1.1 update system
+
+/**
+ * Selects the first update version from the update_core option
+ *
+ * @return object the response from the API
+ */
+function get_preferred_from_update_core() {
+	$updates = get_core_updates();
+	if ( !is_array( $updates ) )
+		return false;
+	if ( empty( $updates ) )
+		return (object)array('response' => 'latest');
+	return $updates[0];
+}
+
+/**
+ * Get available core updates
+ *
+ * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
+ * 	set $options['available'] to false to skip not-dimissed updates.
+ * @return array Array of the update objects
+ */
+function get_core_updates( $options = array() ) {
+	$options = array_merge( array('available' => true, 'dismissed' => false ), $options );
+	$dismissed = get_option( 'dismissed_update_core' );
+	if ( !is_array( $dismissed ) ) $dismissed = array();
+	$from_api = get_transient( 'update_core' );
+	if ( empty($from_api) )
+		return false;
+	if ( !isset( $from_api->updates ) || !is_array( $from_api->updates ) ) return false;
+	$updates = $from_api->updates;
+	if ( !is_array( $updates ) ) return false;
+	$result = array();
+	foreach($updates as $update) {
+		if ( array_key_exists( $update->current.'|'.$update->locale, $dismissed ) ) {
+			if ( $options['dismissed'] ) {
+				$update->dismissed = true;
+				$result[]= $update;
+			}
+		} else {
+			if ( $options['available'] ) {
+				$update->dismissed = false;
+				$result[]= $update;
+			}
+		}
+	}
+	return $result;
+}
+
+function dismiss_core_update( $update ) {
+	$dismissed = get_option( 'dismissed_update_core' );
+	$dismissed[ $update->current.'|'.$update->locale ] = true;
+	return update_option( 'dismissed_update_core', $dismissed );
+}
+
+function undismiss_core_update( $version, $locale ) {
+	$dismissed = get_option( 'dismissed_update_core' );
+	$key = $version.'|'.$locale;
+	if ( !isset( $dismissed[$key] ) ) return false;
+	unset( $dismissed[$key] );
+	return update_option( 'dismissed_update_core', $dismissed );
+}
+
+function find_core_update( $version, $locale ) {
+	$from_api = get_transient( 'update_core' );
+	if ( !is_array( $from_api->updates ) ) return false;
+	$updates = $from_api->updates;
+	foreach($updates as $update) {
+		if ( $update->current == $version && $update->locale == $locale )
+			return $update;
+	}
+	return false;
+}
+
+function core_update_footer( $msg = '' ) {
+	if ( !current_user_can('manage_options') )
+		return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
+
+	$cur = get_preferred_from_update_core();
+	if ( ! isset( $cur->current ) )
+		$cur->current = '';
+
+	if ( ! isset( $cur->url ) )
+		$cur->url = '';
+
+	if ( ! isset( $cur->response ) )
+		$cur->response = '';
+
+	switch ( $cur->response ) {
+	case 'development' :
+		return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), $GLOBALS['wp_version'], 'update-core.php');
+	break;
+
+	case 'upgrade' :
+		if ( current_user_can('manage_options') ) {
+			return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', 'update-core.php', $cur->current);
+			break;
+		}
+
+	case 'latest' :
+	default :
+		return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
+	break;
+	}
+}
+add_filter( 'update_footer', 'core_update_footer' );
+
+function update_nag() {
+	global $pagenow;
+
+	if ( 'update-core.php' == $pagenow )
+		return;
+
+	$cur = get_preferred_from_update_core();
+
+	if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
+		return false;
+
+	if ( current_user_can('manage_options') )
+		$msg = sprintf( __('WordPress %1$s is available! <a href="%2$s">Please update now</a>.'), $cur->current, 'update-core.php' );
+	else
+		$msg = sprintf( __('WordPress %1$s is available! Please notify the site administrator.'), $cur->current );
+
+	echo "<div id='update-nag'>$msg</div>";
+}
+add_action( 'admin_notices', 'update_nag', 3 );
+
+// Called directly from dashboard
+function update_right_now_message() {
+	$cur = get_preferred_from_update_core();
+
+	$msg = sprintf( __('You are using <span class="b">WordPress %s</span>.'), $GLOBALS['wp_version'] );
+	if ( isset( $cur->response ) && $cur->response == 'upgrade' && current_user_can('manage_options') )
+		$msg .= " <a href='update-core.php' class='button'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>';
+
+	echo "<span id='wp-version-message'>$msg</span>";
+}
+
+function wp_plugin_update_row( $file, $plugin_data ) {
+	$current = get_transient( 'update_plugins' );
+	if ( !isset( $current->response[ $file ] ) )
+		return false;
+
+	$r = $current->response[ $file ];
+
+	$plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
+	$plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
+
+	$details_url = admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '&TB_iframe=true&width=600&height=800');
+
+	echo '<tr class="plugin-update-tr"><td colspan="3" class="plugin-update"><div class="update-message">';
+	if ( ! current_user_can('update_plugins') )
+		printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
+	else if ( empty($r->package) )
+		printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> <em>automatic upgrade unavailable for this plugin</em>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
+	else
+		printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> or <a href="%5$s">upgrade automatically</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version, wp_nonce_url('update.php?action=upgrade-plugin&plugin=' . $file, 'upgrade-plugin_' . $file) );
+
+	do_action( "in_plugin_update_message-$file", $plugin_data, $r );
+
+	echo '</div></td></tr>';
+}
+add_action( 'after_plugin_row', 'wp_plugin_update_row', 10, 2 );
+
+function wp_update_plugin($plugin, $feedback = '') {
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	$upgrader = new Plugin_Upgrader();
+	return $upgrader->upgrade($plugin);
+}
+
+function wp_update_theme($theme, $feedback = '') {
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	$upgrader = new Theme_Upgrader();
+	return $upgrader->upgrade($theme);
+}
+
+
+function wp_update_core($current, $feedback = '') {
+
+	if ( !empty($feedback) )
+		add_filter('update_feedback', $feedback);
+
+	include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+	$upgrader = new Core_Upgrader();
+	return $upgrader->upgrade($current);
+
+}
+
+function maintenance_nag() {
+	global $upgrading;
+	if ( ! isset( $upgrading ) )
+		return false;
+
+	if ( current_user_can('manage_options') )
+		$msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
+	else
+		$msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
+
+	echo "<div id='update-nag'>$msg</div>";
+}
+add_action( 'admin_notices', 'maintenance_nag' );
+
+?>