Ticket #34569: 34569.diff

src/wp-admin/includes/plugin.php

@@ -971 +971 @@
         $file = plugin_basename($plugin);
 
         $uninstallable_plugins = (array) get_option('uninstall_plugins');
+
+        /**
+         * Fires in uninstall_plugin() before the plugin is uninstalled.
+         *
+         * @since 4.5.0
+         *
+         * @param string $plugin                Relative plugin path from plugin directory.
+         * @param array  $uninstallable_plugins Uninstallable plugins.
+         */
+        do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
+
         if ( file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) ) {
                 if ( isset( $uninstallable_plugins[$file] ) ) {
                         unset($uninstallable_plugins[$file]);