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<title>[25272] trunk/src: Upgrader: Make clearing the Plugin and Theme update caches optional during install and upgrade proceedures.</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/25272">25272</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2013-09-06 01:32:09 +0000 (Fri, 06 Sep 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>Upgrader: Make clearing the Plugin and Theme update caches optional during install and upgrade proceedures. See <a href="http://core.trac.wordpress.org/ticket/22704">#22704</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludesclasswpupgraderphp">trunk/src/wp-admin/includes/class-wp-upgrader.php</a></li>
<li><a href="#trunksrcwpadminincludespluginphp">trunk/src/wp-admin/includes/plugin.php</a></li>
<li><a href="#trunksrcwpincludesthemephp">trunk/src/wp-includes/theme.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpadminincludesclasswpupgraderphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/includes/class-wp-upgrader.php (25271 => 25272)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/includes/class-wp-upgrader.php        2013-09-06 01:20:17 UTC (rev 25271)
+++ trunk/src/wp-admin/includes/class-wp-upgrader.php   2013-09-06 01:32:09 UTC (rev 25272)
</span><span class="lines">@@ -163,13 +163,17 @@
</span><span class="cx">          return $working_dir;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function install_package($args = array()) {
</del><ins>+        function install_package( $args = array() ) {
</ins><span class="cx">           global $wp_filesystem, $wp_theme_directories;
</span><span class="cx"> 
</span><del>-               $defaults = array( 'source' => '', 'destination' => '', //Please always pass these
-                                               'clear_destination' => false, 'clear_working' => false,
-                                               'abort_if_destination_exists' => true,
-                                               'hook_extra' => array());
</del><ins>+                $defaults = array(
+                       'source' => '', // Please always pass this
+                       'destination' => '', // and this
+                       'clear_destination' => false,
+                       'clear_working' => false,
+                       'abort_if_destination_exists' => true,
+                       'hook_extra' => array()
+               );
</ins><span class="cx"> 
</span><span class="cx">          $args = wp_parse_args($args, $defaults);
</span><span class="cx">          extract($args);
</span><span class="lines">@@ -277,14 +281,15 @@
</span><span class="cx"> 
</span><span class="cx">  function run($options) {
</span><span class="cx"> 
</span><del>-               $defaults = array(      'package' => '', //Please always pass this.
-                                                       'destination' => '', //And this
-                                                       'clear_destination' => false,
-                                                       'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
-                                                       'clear_working' => true,
-                                                       'is_multi' => false,
-                                                       'hook_extra' => array() //Pass any extra $hook_extra args here, this will be passed to any hooked filters.
-                                               );
</del><ins>+                $defaults = array(
+                       'package' => '', // Please always pass this.
+                       'destination' => '', // And this
+                       'clear_destination' => false,
+                       'abort_if_destination_exists' => true, // Abort if the Destination directory exists, Pass clear_destination as false please
+                       'clear_working' => true,
+                       'is_multi' => false,
+                       'hook_extra' => array() // Pass any extra $hook_extra args here, this will be passed to any hooked filters.
+               );
</ins><span class="cx"> 
</span><span class="cx">          $options = wp_parse_args($options, $defaults);
</span><span class="cx">          extract($options);
</span><span class="lines">@@ -324,13 +329,14 @@
</span><span class="cx"> 
</span><span class="cx">          //With the given options, this installs it to the destination directory.
</span><span class="cx">          $result = $this->install_package( array(
</span><del>-                                                                                       'source' => $working_dir,
-                                                                                       'destination' => $destination,
-                                                                                       'clear_destination' => $clear_destination,
-                                                                                       'abort_if_destination_exists' => $abort_if_destination_exists,
-                                                                                       'clear_working' => $clear_working,
-                                                                                       'hook_extra' => $hook_extra
-                                                                               ) );
</del><ins>+                        'source' => $working_dir,
+                       'destination' => $destination,
+                       'clear_destination' => $clear_destination,
+                       'abort_if_destination_exists' => $abort_if_destination_exists,
+                       'clear_working' => $clear_working,
+                       'hook_extra' => $hook_extra
+               ) );
+
</ins><span class="cx">           $this->skin->set_result($result);
</span><span class="cx">          if ( is_wp_error($result) ) {
</span><span class="cx">                  $this->skin->error($result);
</span><span class="lines">@@ -398,20 +404,25 @@
</span><span class="cx">          $this->strings['process_success'] = __('Plugin installed successfully.');
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function install($package) {
</del><ins>+        function install( $package, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->install_strings();
</span><span class="cx"> 
</span><span class="cx">          add_filter('upgrader_source_selection', array($this, 'check_package') );
</span><span class="cx"> 
</span><del>-               $this->run(array(
-                                       'package' => $package,
-                                       'destination' => WP_PLUGIN_DIR,
-                                       'clear_destination' => false, //Do not overwrite files.
-                                       'clear_working' => true,
-                                       'hook_extra' => array()
-                                       ));
</del><ins>+                $this->run( array(
+                       'package' => $package,
+                       'destination' => WP_PLUGIN_DIR,
+                       'clear_destination' => false, // Do not overwrite files.
+                       'clear_working' => true,
+                       'hook_extra' => array()
+               ) );
</ins><span class="cx"> 
</span><span class="cx">          remove_filter('upgrader_source_selection', array($this, 'check_package') );
</span><span class="cx"> 
</span><span class="lines">@@ -419,15 +430,20 @@
</span><span class="cx">                  return $this->result;
</span><span class="cx"> 
</span><span class="cx">          // Force refresh of plugin update information
</span><del>-               delete_site_transient('update_plugins');
-               wp_cache_delete( 'plugins', 'plugins' );
</del><ins>+                wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'plugin' ), $package );
</span><span class="cx"> 
</span><span class="cx">          return true;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function upgrade($plugin) {
</del><ins>+        function upgrade( $plugin, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->upgrade_strings();
</span><span class="cx"> 
</span><span class="lines">@@ -447,15 +463,15 @@
</span><span class="cx">          add_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'), 10, 4);
</span><span class="cx">          //'source_selection' => array($this, 'source_selection'), //there's a trac ticket to move up the directory for zip's which are made a bit differently, useful for non-.org plugins.
</span><span class="cx"> 
</span><del>-               $this->run(array(
-                                       'package' => $r->package,
-                                       'destination' => WP_PLUGIN_DIR,
-                                       'clear_destination' => true,
-                                       'clear_working' => true,
-                                       'hook_extra' => array(
-                                                               'plugin' => $plugin
-                                       )
-                               ));
</del><ins>+                $this->run( array(
+                       'package' => $r->package,
+                       'destination' => WP_PLUGIN_DIR,
+                       'clear_destination' => true,
+                       'clear_working' => true,
+                       'hook_extra' => array(
+                               'plugin' => $plugin
+                       ),
+               ) );
</ins><span class="cx"> 
</span><span class="cx">          // Cleanup our hooks, in case something else does a upgrade on this connection.
</span><span class="cx">          remove_filter('upgrader_pre_install', array($this, 'deactivate_plugin_before_upgrade'));
</span><span class="lines">@@ -465,15 +481,20 @@
</span><span class="cx">                  return $this->result;
</span><span class="cx"> 
</span><span class="cx">          // Force refresh of plugin update information
</span><del>-               delete_site_transient('update_plugins');
-               wp_cache_delete( 'plugins', 'plugins' );
</del><ins>+                wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin' ), $plugin );
</span><span class="cx"> 
</span><span class="cx">          return true;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function bulk_upgrade($plugins) {
</del><ins>+        function bulk_upgrade( $plugins, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->bulk = true;
</span><span class="cx">          $this->upgrade_strings();
</span><span class="lines">@@ -525,16 +546,16 @@
</span><span class="cx"> 
</span><span class="cx">                  $this->skin->plugin_active = is_plugin_active($plugin);
</span><span class="cx"> 
</span><del>-                       $result = $this->run(array(
-                                               'package' => $r->package,
-                                               'destination' => WP_PLUGIN_DIR,
-                                               'clear_destination' => true,
-                                               'clear_working' => true,
-                                               'is_multi' => true,
-                                               'hook_extra' => array(
-                                                                       'plugin' => $plugin
-                                               )
-                                       ));
</del><ins>+                        $result = $this->run( array(
+                               'package' => $r->package,
+                               'destination' => WP_PLUGIN_DIR,
+                               'clear_destination' => true,
+                               'clear_working' => true,
+                               'is_multi' => true,
+                               'hook_extra' => array(
+                                       'plugin' => $plugin
+                               )
+                       ) );
</ins><span class="cx"> 
</span><span class="cx">                  $results[$plugin] = $this->result;
</span><span class="cx"> 
</span><span class="lines">@@ -553,8 +574,8 @@
</span><span class="cx">          remove_filter('upgrader_clear_destination', array($this, 'delete_old_plugin'));
</span><span class="cx"> 
</span><span class="cx">          // Force refresh of plugin update information
</span><del>-               delete_site_transient('update_plugins');
-               wp_cache_delete( 'plugins', 'plugins' );
</del><ins>+                wp_clean_plugins_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'plugin', 'bulk' => true ), $plugins );
</span><span class="cx"> 
</span><span class="cx">          return $results;
</span><span class="lines">@@ -755,38 +776,47 @@
</span><span class="cx">          return $actions;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function install($package) {
</del><ins>+        function install( $package, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->install_strings();
</span><span class="cx"> 
</span><span class="cx">          add_filter('upgrader_source_selection', array($this, 'check_package') );
</span><span class="cx">          add_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'), 10, 3);
</span><span class="cx"> 
</span><del>-               $options = array(
</del><ins>+                $this->run( array(
</ins><span class="cx">                   'package' => $package,
</span><span class="cx">                  'destination' => get_theme_root(),
</span><span class="cx">                  'clear_destination' => false, //Do not overwrite files.
</span><span class="cx">                  'clear_working' => true
</span><del>-               );
</del><ins>+                ) );
</ins><span class="cx"> 
</span><del>-               $this->run($options);
-
</del><span class="cx">           remove_filter('upgrader_source_selection', array($this, 'check_package') );
</span><span class="cx">          remove_filter('upgrader_post_install', array($this, 'check_parent_theme_filter'));
</span><span class="cx"> 
</span><span class="cx">          if ( ! $this->result || is_wp_error($this->result) )
</span><span class="cx">                  return $this->result;
</span><span class="cx"> 
</span><del>-               // Force refresh of theme update information
-               wp_clean_themes_cache();
</del><ins>+                // Refresh the Theme Update information
+               wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'install', 'type' => 'theme' ), $package );
</span><span class="cx"> 
</span><span class="cx">          return true;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function upgrade($theme) {
</del><ins>+        function upgrade( $theme, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->upgrade_strings();
</span><span class="cx"> 
</span><span class="lines">@@ -806,7 +836,7 @@
</span><span class="cx">          add_filter('upgrader_post_install', array($this, 'current_after'), 10, 2);
</span><span class="cx">          add_filter('upgrader_clear_destination', array($this, 'delete_old_theme'), 10, 4);
</span><span class="cx"> 
</span><del>-               $options = array(
</del><ins>+                $this->run( array(
</ins><span class="cx">                   'package' => $r['package'],
</span><span class="cx">                  'destination' => get_theme_root( $theme ),
</span><span class="cx">                  'clear_destination' => true,
</span><span class="lines">@@ -814,10 +844,8 @@
</span><span class="cx">                  'hook_extra' => array(
</span><span class="cx">                          'theme' => $theme
</span><span class="cx">                  ),
</span><del>-               );
</del><ins>+                ) );
</ins><span class="cx"> 
</span><del>-               $this->run($options);
-
</del><span class="cx">           remove_filter('upgrader_pre_install', array($this, 'current_before'));
</span><span class="cx">          remove_filter('upgrader_post_install', array($this, 'current_after'));
</span><span class="cx">          remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
</span><span class="lines">@@ -825,15 +853,20 @@
</span><span class="cx">          if ( ! $this->result || is_wp_error($this->result) )
</span><span class="cx">                  return $this->result;
</span><span class="cx"> 
</span><del>-               // Force refresh of theme update information
-               wp_clean_themes_cache();
</del><ins>+                wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme' ), $theme );
</span><span class="cx"> 
</span><span class="cx">          return true;
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function bulk_upgrade($themes) {
</del><ins>+        function bulk_upgrade( $themes, $args = array() ) {
</ins><span class="cx"> 
</span><ins>+               $defaults = array(
+                       'clear_update_cache' => true,
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->bulk = true;
</span><span class="cx">          $this->upgrade_strings();
</span><span class="lines">@@ -886,7 +919,7 @@
</span><span class="cx">                  // Get the URL to the zip file
</span><span class="cx">                  $r = $current->response[ $theme ];
</span><span class="cx"> 
</span><del>-                       $options = array(
</del><ins>+                        $result = $this->run( array(
</ins><span class="cx">                           'package' => $r['package'],
</span><span class="cx">                          'destination' => get_theme_root( $theme ),
</span><span class="cx">                          'clear_destination' => true,
</span><span class="lines">@@ -894,10 +927,8 @@
</span><span class="cx">                          'hook_extra' => array(
</span><span class="cx">                                  'theme' => $theme
</span><span class="cx">                          ),
</span><del>-                       );
</del><ins>+                        ) );
</ins><span class="cx"> 
</span><del>-                       $result = $this->run($options);
-
</del><span class="cx">                   $results[$theme] = $this->result;
</span><span class="cx"> 
</span><span class="cx">                  // Prevent credentials auth screen from displaying multiple times
</span><span class="lines">@@ -916,8 +947,9 @@
</span><span class="cx">          remove_filter('upgrader_post_install', array($this, 'current_after'));
</span><span class="cx">          remove_filter('upgrader_clear_destination', array($this, 'delete_old_theme'));
</span><span class="cx"> 
</span><del>-               // Force refresh of theme update information
-               wp_clean_themes_cache();
</del><ins>+                // Refresh the Theme Update information
+               wp_clean_themes_cache( $parsed_args['clear_update_cache'] );
+
</ins><span class="cx">           do_action( 'upgrader_process_complete', $this, array( 'action' => 'update', 'type' => 'theme', 'bulk' => true ), $themes );
</span><span class="cx"> 
</span><span class="cx">          return $results;
</span><span class="lines">@@ -1038,9 +1070,13 @@
</span><span class="cx">          $this->strings['copy_failed_space'] = __('Could not copy files. You may have run out of disk space.' );
</span><span class="cx">  }
</span><span class="cx"> 
</span><del>-       function upgrade($current) {
</del><ins>+        function upgrade( $current, $args = array() ) {
</ins><span class="cx">           global $wp_filesystem, $wp_version;
</span><span class="cx"> 
</span><ins>+               $defaults = array(
+               );
+               $parsed_args = wp_parse_args( $defaults, $args );
+
</ins><span class="cx">           $this->init();
</span><span class="cx">          $this->upgrade_strings();
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunksrcwpadminincludespluginphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-admin/includes/plugin.php (25271 => 25272)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-admin/includes/plugin.php   2013-09-06 01:20:17 UTC (rev 25271)
+++ trunk/src/wp-admin/includes/plugin.php      2013-09-06 01:32:09 UTC (rev 25272)
</span><span class="lines">@@ -1764,3 +1764,16 @@
</span><span class="cx">  echo '<input type="hidden" name="action" value="update" />';
</span><span class="cx">  wp_nonce_field("$option_group-options");
</span><span class="cx"> }
</span><ins>+
+/**
+ * Clears the Plugins cache used by get_plugins() and by default, the Plugin Update cache.
+ *
+ * @since 3.7.0
+ *
+ * @param bool $clear_update_cache Whether to clear the Plugin updates cache
+ */
+function wp_clean_plugins_cache( $clear_update_cache = true ) {
+       if ( $clear_update_cache )
+               delete_site_transient( 'update_plugins' );
+       wp_cache_delete( 'plugins', 'plugins' );
+}
</ins></span></pre></div>
<a id="trunksrcwpincludesthemephp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/theme.php (25271 => 25272)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/theme.php  2013-09-06 01:20:17 UTC (rev 25271)
+++ trunk/src/wp-includes/theme.php     2013-09-06 01:32:09 UTC (rev 25272)
</span><span class="lines">@@ -110,9 +110,11 @@
</span><span class="cx">  * Clears the cache held by get_theme_roots() and WP_Theme.
</span><span class="cx">  *
</span><span class="cx">  * @since 3.5.0
</span><ins>+ * @param bool $clear_update_cache Whether to clear the Theme updates cache
</ins><span class="cx">  */
</span><del>-function wp_clean_themes_cache() {
-       delete_site_transient('update_themes');
</del><ins>+function wp_clean_themes_cache( $clear_update_cache = true ) {
+       if ( $clear_update_cache )
+               delete_site_transient( 'update_themes' );
</ins><span class="cx">   search_theme_directories( true );
</span><span class="cx">  foreach ( wp_get_themes( array( 'errors' => null ) ) as $theme )
</span><span class="cx">          $theme->cache_delete();
</span></span></pre>
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