Ticket #16401: 16401.diff

src/wp-admin/includes/theme.php

@@ -72 +72 @@
                 return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) );
         }
 
+        /**
+         * Fires immediately before a theme deletion attempt.
+         *
+         * @since 5.8
+         *
+         * @param string $stylesheet Stylesheet of the theme to delete.
+         */
+        do_action( 'delete_theme', $stylesheet );
+
         $themes_dir = trailingslashit( $themes_dir );
         $theme_dir  = trailingslashit( $themes_dir . $stylesheet );
         $deleted    = $wp_filesystem->delete( $theme_dir, true );
 
+        /**
+         * Fires immediately after a theme deletion attempt.
+         *
+         * @since 5.8
+         *
+         * @param string $stylesheet Stylesheet of the theme to delete.
+         * @param bool   $deleted    Whether the theme deletion was successful.
+         */
+        do_action( 'deleted_theme', $stylesheet, $deleted );
+
         if ( ! $deleted ) {
                 return new WP_Error(
                         'could_not_remove_theme',