public function setUp()
 {
     parent::setUp();
     $this->author = $this->factory->user->create(array('role' => 'author'));
     $this->contributor = $this->factory->user->create(array('role' => 'contributor'));
     $this->post_id = $this->factory->post->create(array('post_author' => $this->author, 'post_title' => md5(wp_generate_password()), 'post_content' => md5(wp_generate_password())));
     $this->revision_id = wp_save_post_revision($this->post_id);
     $this->fake_server = $this->getMock('WP_JSON_Server');
     $this->endpoint = new WP_JSON_Posts($this->fake_server);
 }

 /**
  * Function to be run when migrating to a WordPress version after 3.6.
  *
  * - Post format adaptation: image, link, video, audio, quote
  *
  * @return void
  */
 function thb_wp_migration_36()
 {
     $posts = get_posts(array('posts_per_page' => -1, 'post_status' => array('image', 'link', 'audio', 'video', 'quote')));
     $posts = (array) $posts;
     if (count($posts) > 0) {
         foreach ($posts as $post) {
             $format = get_post_format($post->ID);
             switch ($format) {
                 case 'image':
                     $featured_image = thb_get_featured_image($post->ID);
                     if (!empty($featured_image)) {
                         update_post_meta($post->ID, '_format_image', $featured_image);
                         // delete_post_meta($post->ID, '_thumbnail_id');
                     }
                     break;
                 case 'link':
                     $link_url = thb_get_post_meta($post->ID, 'link_url');
                     if (!empty($link_url)) {
                         update_post_meta($post->ID, '_format_link_url', $link_url);
                         // delete_post_meta($post->ID, THB_META_KEY . 'link_url');
                     }
                     break;
                 case 'video':
                 case 'audio':
                     $url = thb_get_post_meta($post->ID, $format . '_url');
                     if (!empty($url)) {
                         update_post_meta($post->ID, '_format_' . $format . '_embed', $url);
                         // delete_post_meta($post->ID, THB_META_KEY . $format . '_url');
                     }
                     break;
                 case 'quote':
                     $quote_text = thb_get_post_meta($post->ID, 'quote');
                     $quote_url = thb_get_post_meta($post->ID, 'quote_url');
                     $quote_url = str_replace('http://', '', $quote_url);
                     $quote_author = thb_get_post_meta($post->ID, 'quote_author');
                     wp_update_post(array('ID' => $post->ID, 'post_content' => $quote_text));
                     update_post_meta($post->ID, '_format_quote_source_url', $quote_url);
                     update_post_meta($post->ID, '_format_quote_source_name', $quote_author);
                     // delete_post_meta($post->ID, THB_META_KEY . 'quote');
                     // delete_post_meta($post->ID, THB_META_KEY . 'quote_url');
                     // delete_post_meta($post->ID, THB_META_KEY . 'quote_author');
                     break;
             }
             wp_save_post_revision($post->ID);
         }
     }
 }

/**
 * Upgrade the revisions author, add the current post as a revision and set the revisions version to 1
 *
 * @since 3.6.0
 * @access private
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param WP_Post $post      Post object
 * @param array   $revisions Current revisions of the post
 * @return bool true if the revisions were upgraded, false if problems
 */
function _wp_upgrade_revisions_of_post($post, $revisions)
{
    global $wpdb;
    // Add post option exclusively
    $lock = "revision-upgrade-{$post->ID}";
    $now = time();
    $result = $wpdb->query($wpdb->prepare("INSERT IGNORE INTO `{$wpdb->options}` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, 'no') /* LOCK */", $lock, $now));
    if (!$result) {
        // If we couldn't get a lock, see how old the previous lock is
        $locked = get_option($lock);
        if (!$locked) {
            // Can't write to the lock, and can't read the lock.
            // Something broken has happened
            return false;
        }
        if ($locked > $now - 3600) {
            // Lock is not too old: some other process may be upgrading this post.  Bail.
            return false;
        }
        // Lock is too old - update it (below) and continue
    }
    // If we could get a lock, re-"add" the option to fire all the correct filters.
    update_option($lock, $now);
    reset($revisions);
    $add_last = true;
    do {
        $this_revision = current($revisions);
        $prev_revision = next($revisions);
        $this_revision_version = _wp_get_post_revision_version($this_revision);
        // Something terrible happened
        if (false === $this_revision_version) {
            continue;
        }
        // 1 is the latest revision version, so we're already up to date.
        // No need to add a copy of the post as latest revision.
        if (0 < $this_revision_version) {
            $add_last = false;
            continue;
        }
        // Always update the revision version
        $update = array('post_name' => preg_replace('/^(\\d+-(?:autosave|revision))[\\d-]*$/', '$1-v1', $this_revision->post_name));
        // If this revision is the oldest revision of the post, i.e. no $prev_revision,
        // the correct post_author is probably $post->post_author, but that's only a good guess.
        // Update the revision version only and Leave the author as-is.
        if ($prev_revision) {
            $prev_revision_version = _wp_get_post_revision_version($prev_revision);
            // If the previous revision is already up to date, it no longer has the information we need :(
            if ($prev_revision_version < 1) {
                $update['post_author'] = $prev_revision->post_author;
            }
        }
        // Upgrade this revision
        $result = $wpdb->update($wpdb->posts, $update, array('ID' => $this_revision->ID));
        if ($result) {
            wp_cache_delete($this_revision->ID, 'posts');
        }
    } while ($prev_revision);
    delete_option($lock);
    // Add a copy of the post as latest revision.
    if ($add_last) {
        wp_save_post_revision($post->ID);
    }
    return true;
}

//.........这里部分代码省略.........
        $terms = array(bbp_get_topic_tag_tax_id() => array());
        // Existing terms
    } else {
        $terms = array(bbp_get_topic_tag_tax_id() => explode(',', bbp_get_topic_tag_names($topic_id, ',')));
    }
    /** Additional Actions (Before Save) **************************************/
    do_action('bbp_edit_topic_pre_extras', $topic_id);
    // Bail if errors
    if (bbp_has_errors()) {
        return;
    }
    /** No Errors *************************************************************/
    // Add the content of the form to $topic_data as an array
    // Just in time manipulation of topic data before being edited
    $topic_data = apply_filters('bbp_edit_topic_pre_insert', array('ID' => $topic_id, 'post_title' => $topic_title, 'post_content' => $topic_content, 'post_status' => $topic_status, 'post_parent' => $forum_id, 'post_author' => $topic_author, 'post_type' => bbp_get_topic_post_type(), 'tax_input' => $terms));
    // Toggle revisions to avoid duplicates
    if (post_type_supports(bbp_get_topic_post_type(), 'revisions')) {
        $revisions_removed = true;
        remove_post_type_support(bbp_get_topic_post_type(), 'revisions');
    }
    // Insert topic
    $topic_id = wp_update_post($topic_data);
    // Toggle revisions back on
    if (true === $revisions_removed) {
        $revisions_removed = false;
        add_post_type_support(bbp_get_topic_post_type(), 'revisions');
    }
    /** No Errors *************************************************************/
    if (!empty($topic_id) && !is_wp_error($topic_id)) {
        // Update counts, etc...
        do_action('bbp_edit_topic', $topic_id, $forum_id, $anonymous_data, $topic_author, true);
        /** Revisions *********************************************************/
        // Revision Reason
        if (!empty($_POST['bbp_topic_edit_reason'])) {
            $topic_edit_reason = esc_attr(strip_tags($_POST['bbp_topic_edit_reason']));
        }
        // Update revision log
        if (!empty($_POST['bbp_log_topic_edit']) && "1" === $_POST['bbp_log_topic_edit']) {
            $revision_id = wp_save_post_revision($topic_id);
            if (!empty($revision_id)) {
                bbp_update_topic_revision_log(array('topic_id' => $topic_id, 'revision_id' => $revision_id, 'author_id' => bbp_get_current_user_id(), 'reason' => $topic_edit_reason));
            }
        }
        /** Move Topic ********************************************************/
        // If the new forum id is not equal to the old forum id, run the
        // bbp_move_topic action and pass the topic's forum id as the
        // first arg and topic id as the second to update counts.
        if ($forum_id !== $topic->post_parent) {
            bbp_move_topic_handler($topic_id, $topic->post_parent, $forum_id);
        }
        /** Stickies **********************************************************/
        if (!empty($_POST['bbp_stick_topic']) && in_array($_POST['bbp_stick_topic'], array_keys(bbp_get_topic_types()))) {
            // What's the caps?
            if (current_user_can('moderate')) {
                // What's the haps?
                switch ($_POST['bbp_stick_topic']) {
                    // Sticky in forum
                    case 'stick':
                        bbp_stick_topic($topic_id);
                        break;
                        // Sticky in all forums
                    // Sticky in all forums
                    case 'super':
                        bbp_stick_topic($topic_id, true);
                        break;
                        // Normal
                    // Normal
                    case 'unstick':
                    default:
                        bbp_unstick_topic($topic_id);
                        break;
                }
            }
        }
        /** Additional Actions (After Save) ***********************************/
        do_action('bbp_edit_topic_post_extras', $topic_id);
        /** Redirect **********************************************************/
        // Redirect to
        $redirect_to = bbp_get_redirect_to();
        // View all?
        $view_all = bbp_get_view_all();
        // Get the topic URL
        $topic_url = bbp_get_topic_permalink($topic_id, $redirect_to);
        // Add view all?
        if (!empty($view_all)) {
            $topic_url = bbp_add_view_all($topic_url);
        }
        // Allow to be filtered
        $topic_url = apply_filters('bbp_edit_topic_redirect_to', $topic_url, $view_all, $redirect_to);
        /** Successful Edit ***************************************************/
        // Redirect back to new topic
        wp_safe_redirect($topic_url);
        // For good measure
        exit;
        /** Errors ****************************************************************/
    } else {
        $append_error = is_wp_error($topic_id) && $topic_id->get_error_message() ? $topic_id->get_error_message() . ' ' : '';
        bbp_add_error('bbp_topic_error', __('<strong>ERROR</strong>: The following problem(s) have been found with your topic:' . $append_error . 'Please try again.', 'bbpress'));
    }
}

//.........这里部分代码省略.........
        bbp_add_error('bbp_edit_reply_content', __('<strong>ERROR</strong>: Your reply cannot be empty.', 'bbpress'));
    }
    /** Reply Blacklist *******************************************************/
    if (!bbp_check_for_blacklist($anonymous_data, $reply_author, $reply_title, $reply_content)) {
        bbp_add_error('bbp_reply_blacklist', __('<strong>ERROR</strong>: Your reply cannot be edited at this time.', 'bbpress'));
    }
    /** Reply Status **********************************************************/
    // Maybe put into moderation
    if (!bbp_check_for_moderation($anonymous_data, $reply_author, $reply_title, $reply_content)) {
        // Set post status to pending if public
        if (bbp_get_public_status_id() === $reply->post_status) {
            $reply_status = bbp_get_pending_status_id();
        }
        // Use existing post_status
    } else {
        $reply_status = $reply->post_status;
    }
    /** Reply To **************************************************************/
    // Handle Reply To of the reply; $_REQUEST for non-JS submissions
    if (isset($_REQUEST['bbp_reply_to'])) {
        $reply_to = bbp_validate_reply_to($_REQUEST['bbp_reply_to']);
    }
    /** Topic Tags ************************************************************/
    // Either replace terms
    if (bbp_allow_topic_tags() && current_user_can('assign_topic_tags') && !empty($_POST['bbp_topic_tags'])) {
        $terms = esc_attr(strip_tags($_POST['bbp_topic_tags']));
        // ...or remove them.
    } elseif (isset($_POST['bbp_topic_tags'])) {
        $terms = '';
        // Existing terms
    } else {
        $terms = bbp_get_topic_tag_names($topic_id);
    }
    /** Additional Actions (Before Save) **************************************/
    do_action('bbp_edit_reply_pre_extras', $reply_id);
    // Bail if errors
    if (bbp_has_errors()) {
        return;
    }
    /** No Errors *************************************************************/
    // Add the content of the form to $reply_data as an array
    // Just in time manipulation of reply data before being edited
    $reply_data = apply_filters('bbp_edit_reply_pre_insert', array('ID' => $reply_id, 'post_title' => $reply_title, 'post_content' => $reply_content, 'post_status' => $reply_status, 'post_parent' => $topic_id, 'post_author' => $reply_author, 'post_type' => bbp_get_reply_post_type()));
    // Toggle revisions to avoid duplicates
    if (post_type_supports(bbp_get_reply_post_type(), 'revisions')) {
        $revisions_removed = true;
        remove_post_type_support(bbp_get_reply_post_type(), 'revisions');
    }
    // Insert topic
    $reply_id = wp_update_post($reply_data);
    // Toggle revisions back on
    if (true === $revisions_removed) {
        $revisions_removed = false;
        add_post_type_support(bbp_get_reply_post_type(), 'revisions');
    }
    /** Topic Tags ************************************************************/
    // Just in time manipulation of reply terms before being edited
    $terms = apply_filters('bbp_edit_reply_pre_set_terms', $terms, $topic_id, $reply_id);
    // Insert terms
    $terms = wp_set_post_terms($topic_id, $terms, bbp_get_topic_tag_tax_id(), false);
    // Term error
    if (is_wp_error($terms)) {
        bbp_add_error('bbp_reply_tags', __('<strong>ERROR</strong>: There was a problem adding the tags to the topic.', 'bbpress'));
    }
    /** Revisions *************************************************************/
    // Revision Reason
    if (!empty($_POST['bbp_reply_edit_reason'])) {
        $reply_edit_reason = esc_attr(strip_tags($_POST['bbp_reply_edit_reason']));
    }
    // Update revision log
    if (!empty($_POST['bbp_log_reply_edit']) && "1" === $_POST['bbp_log_reply_edit']) {
        $revision_id = wp_save_post_revision($reply_id);
        if (!empty($revision_id)) {
            bbp_update_reply_revision_log(array('reply_id' => $reply_id, 'revision_id' => $revision_id, 'author_id' => bbp_get_current_user_id(), 'reason' => $reply_edit_reason));
        }
    }
    /** No Errors *************************************************************/
    if (!empty($reply_id) && !is_wp_error($reply_id)) {
        // Update counts, etc...
        do_action('bbp_edit_reply', $reply_id, $topic_id, $forum_id, $anonymous_data, $reply_author, true, $reply_to);
        /** Additional Actions (After Save) ***********************************/
        do_action('bbp_edit_reply_post_extras', $reply_id);
        /** Redirect **********************************************************/
        // Redirect to
        $redirect_to = bbp_get_redirect_to();
        // Get the reply URL
        $reply_url = bbp_get_reply_url($reply_id, $redirect_to);
        // Allow to be filtered
        $reply_url = apply_filters('bbp_edit_reply_redirect_to', $reply_url, $redirect_to);
        /** Successful Edit ***************************************************/
        // Redirect back to new reply
        wp_safe_redirect($reply_url);
        // For good measure
        exit;
        /** Errors ****************************************************************/
    } else {
        $append_error = is_wp_error($reply_id) && $reply_id->get_error_message() ? $reply_id->get_error_message() . ' ' : '';
        bbp_add_error('bbp_reply_error', __('<strong>ERROR</strong>: The following problem(s) have been found with your reply:' . $append_error . 'Please try again.', 'bbpress'));
    }
}

 /**
  * Sets the author latest revision
  * of the provided post ID to the provided user.
  *
  * @param int $post_id Post ID to update revision author.
  * @param int $user_id User ID for revision author.
  *
  * @return string|WP_Error
  */
 protected function set_revision_author($post_id, $user_id)
 {
     $revision = wp_get_post_revisions($post_id);
     if (!$revision) {
         $new_revision = wp_save_post_revision($post_id);
         if (!$new_revision || is_wp_error($new_revision)) {
             return new WP_Error('db_error', 'There was a problem saving a new revision.');
         }
         // `wp_save_post_revision` returns the ID, whereas `get_post_revision` returns the whole object
         // in order to be consistent, let's make sure we have the whole object before continuing.
         $revision = get_post($new_revision);
         if (!$revision) {
             return new WP_Error('db_error', 'There was a problem retrieving the newly recreated revision.');
         }
     } else {
         $revision = array_shift($revision);
     }
     return $this->set_post_author($revision->ID, $user_id);
 }

 /**
  * Reads the Webhook payload and syncs posts as necessary
  *
  * @param stdClass $payload
  *
  * @return array
  */
 public function pull($payload)
 {
     if (strtolower($payload->repository->full_name) !== strtolower($this->api->repository())) {
         $msg = strtolower($payload->repository->full_name) . __(' is an invalid repository.', 'wordpress-github-sync');
         WordPress_GitHub_Sync::write_log($msg);
         return array('result' => 'error', 'message' => $msg);
     }
     // the last term in the ref is the branch name
     $refs = explode('/', $payload->ref);
     $branch = array_pop($refs);
     if ('master' !== $branch) {
         $msg = __('Not on the master branch.', 'wordpress-github-sync');
         WordPress_GitHub_Sync::write_log($msg);
         return array('result' => 'error', 'message' => $msg);
     }
     // We add wpghs to commits we push out, so we shouldn't pull them in again
     if ('wpghs' === substr($payload->head_commit->message, -5)) {
         $msg = __('Already synced this commit.', 'wordpress-github-sync');
         WordPress_GitHub_Sync::write_log($msg);
         return array('result' => 'error', 'message' => $msg);
     }
     $commit = $this->api->get_commit($payload->head_commit->id);
     if (is_wp_error($commit)) {
         $msg = sprintf(__('Failed getting commit with error: %s', 'wordpress-github-sync'), $commit->get_error_message());
         WordPress_GitHub_Sync::write_log($msg);
         return array('result' => 'error', 'message' => $msg);
     }
     $import = new WordPress_GitHub_Sync_Import();
     $import->run($commit->tree->sha);
     $user = get_user_by('email', $payload->head_commit->author->email);
     if (!$user) {
         // use the default user
         $user = get_user_by('id', get_option('wpghs_default_user'));
     }
     // if we can't find a user and a default hasn't been set,
     // we're just going to set the revision author to 0
     update_option('_wpghs_export_user_id', $user ? $user->ID : 0);
     global $wpdb;
     if ($updated_posts = $import->updated_posts()) {
         foreach ($updated_posts as $post_id) {
             $revision = wp_get_post_revision($post_id);
             if (!$revision) {
                 $revision = wp_save_post_revision($post_id);
                 if (!$revision || is_wp_error($revision)) {
                     // there was a problem saving a new revision
                     continue;
                 }
                 // wp_save_post_revision returns the ID, whereas get_post_revision returns the whole object
                 // in order to be consistent, let's make sure we have the whole object before continuing
                 $revision = get_post($revision);
             }
             $wpdb->update($wpdb->posts, array('post_author' => (int) get_option('_wpghs_export_user_id')), array('ID' => $revision->ID), array('%d'), array('%d'));
         }
     }
     // Deleting posts from a payload is the only place
     // we need to search posts by path; another way?
     $removed = array();
     foreach ($payload->commits as $commit) {
         $removed = array_merge($removed, $commit->removed);
     }
     foreach (array_unique($removed) as $path) {
         $post = new WordPress_GitHub_Sync_Post($path);
         wp_delete_post($post->id);
     }
     if ($new_posts = $import->new_posts()) {
         // disable the lock to allow exporting
         global $wpghs;
         $wpghs->push_lock = false;
         WordPress_GitHub_Sync::write_log(sprintf(__('Updating new posts with IDs: %s', 'wordpress-github-sync'), implode(', ', $new_posts)));
         foreach ($new_posts as $post_id) {
             $wpdb->update($wpdb->posts, array('post_author' => (int) get_option('_wpghs_export_user_id')), array('ID' => $post_id), array('%d'), array('%d'));
         }
         $msg = apply_filters('wpghs_commit_msg_new_posts', 'Updating new posts from WordPress at ' . site_url() . ' (' . get_bloginfo('name') . ')') . ' - wpghs';
         $export = new WordPress_GitHub_Sync_Export($new_posts, $msg);
         $export->run();
     }
     $msg = __('Payload processed', 'wordpress-github-sync');
     WordPress_GitHub_Sync::write_log($msg);
     return array('result' => 'success', 'message' => $msg);
 }

/**
 * Update the `custom_css` post for a given theme.
 *
 * Inserts a `custom_css` post when one doesn't yet exist.
 *
 * @since 4.7.0
 * @access public
 *
 * @param string $css CSS, stored in `post_content`.
 * @param array  $args {
 *     Args.
 *
 *     @type string $preprocessed Pre-processed CSS, stored in `post_content_filtered`. Normally empty string. Optional.
 *     @type string $stylesheet   Stylesheet (child theme) to update. Optional, defaults to current theme/stylesheet.
 * }
 * @return WP_Post|WP_Error Post on success, error on failure.
 */
function wp_update_custom_css_post($css, $args = array())
{
    $args = wp_parse_args($args, array('preprocessed' => '', 'stylesheet' => get_stylesheet()));
    $data = array('css' => $css, 'preprocessed' => $args['preprocessed']);
    /**
     * Filters the `css` (`post_content`) and `preprocessed` (`post_content_filtered`) args for a `custom_css` post being updated.
     *
     * This filter can be used by plugin that offer CSS pre-processors, to store the original
     * pre-processed CSS in `post_content_filtered` and then store processed CSS in `post_content`.
     * When used in this way, the `post_content_filtered` should be supplied as the setting value
     * instead of `post_content` via a the `customize_value_custom_css` filter, for example:
     *
     * <code>
     * add_filter( 'customize_value_custom_css', function( $value, $setting ) {
     *     $post = wp_get_custom_css_post( $setting->stylesheet );
     *     if ( $post && ! empty( $post->post_content_filtered ) ) {
     *         $css = $post->post_content_filtered;
     *     }
     *     return $css;
     * }, 10, 2 );
     * </code>
     *
     * @since 4.7.0
     * @param array $data {
     *     Custom CSS data.
     *
     *     @type string $css          CSS stored in `post_content`.
     *     @type string $preprocessed Pre-processed CSS stored in `post_content_filtered`. Normally empty string.
     * }
     * @param array $args {
     *     The args passed into `wp_update_custom_css_post()` merged with defaults.
     *
     *     @type string $css          The original CSS passed in to be updated.
     *     @type string $preprocessed The original preprocessed CSS passed in to be updated.
     *     @type string $stylesheet   The stylesheet (theme) being updated.
     * }
     */
    $data = apply_filters('update_custom_css_data', $data, array_merge($args, compact('css')));
    $post_data = array('post_title' => $args['stylesheet'], 'post_name' => sanitize_title($args['stylesheet']), 'post_type' => 'custom_css', 'post_status' => 'publish', 'post_content' => $data['css'], 'post_content_filtered' => $data['preprocessed']);
    // Update post if it already exists, otherwise create a new one.
    $post = wp_get_custom_css_post($args['stylesheet']);
    if ($post) {
        $post_data['ID'] = $post->ID;
        $r = wp_update_post(wp_slash($post_data), true);
    } else {
        $r = wp_insert_post(wp_slash($post_data), true);
        // Trigger creation of a revision. This should be removed once #30854 is resolved.
        if (!is_wp_error($r) && 0 === count(wp_get_post_revisions($r))) {
            wp_save_post_revision($r);
        }
    }
    if (is_wp_error($r)) {
        return $r;
    }
    return get_post($r);
}

 /**
  * Meat and potatoes of the Meta Versioning plugin, saves post meta and tax terms to a new revision.
  *
  * @param int $post_id
  * @return int $revision_id
  */
 public static function version_post_meta_and_terms($post_id)
 {
     $post_type = get_post_type($post_id);
     $post_meta = false;
     $tracked_terms = false;
     do_action('pre_version_meta', $post_id);
     if (self::tracking_fields_for_post_type($post_type, self::POSTMETA_TYPE)) {
         $post_meta = self::get_tracked_post_custom($post_id);
     }
     if (self::tracking_fields_for_post_type($post_type, self::TAXONOMY_TYPE)) {
         $tracked_terms = self::get_tracked_terms($post_id);
     }
     $revision_id = wp_save_post_revision($post_id);
     // This saves the post meta!
     if ($revision_id && $post_meta) {
         self::save_meta_to_revision($post_meta, $revision_id);
     }
     if ($revision_id && $tracked_terms) {
         self::save_taxonomy_terms_to_revision($tracked_terms, $revision_id);
     }
     return $revision_id;
 }

 /**
  * Sets files as deleted by array of File IDs
  *
  * @param  array $file_ids Array of File IDs
  * @return bool            whether this saved new files
  * @since  0.5.0
  */
 public function deleted_states_by_file_ids($file_ids)
 {
     $changed = false;
     foreach ($file_ids as $file_id) {
         if (!is_integer($file_id)) {
             continue;
         }
         if (0 === $this->commit_id) {
             $this->commit_id = wp_save_post_revision($this->ids['zip']);
         }
         $revisions = wp_get_post_revisions($file_id);
         $prev_revision = array_shift($revisions);
         $prev_state = $this->commit_query->state_by_id($prev_revision->ID);
         $state_meta = array('status' => 'deleted', 'gist_id' => $prev_state->get_filename());
         wp_update_post(array('ID' => $file_id, 'post_type' => 'revision', 'post_status' => 'inherit', 'post_parent' => $this->commit_id));
         update_metadata('post', $file_id, "_wpgp_state_meta", $state_meta);
         $this->commit_meta['state_ids'][] = $file_id;
     }
 }