wip

wp-admin/includes/class-wp-upgrader.php

@@ -403,7 +403,6 @@ class WP_Upgrader {
 	 * Flattens the results of WP_Filesystem_Base::dirlist() for iterating over.
 	 *
 	 * @since 4.9.0
-	 * @access protected
 	 *
 	 * @param array  $nested_files Array of files as returned by WP_Filesystem_Base::dirlist().
 	 * @param string $path         Relative path to prepend to child nodes. Optional.
@@ -1023,18 +1022,21 @@ class WP_Upgrader {
 		}
 
 		$file = $wp_filesystem->abspath() . '.maintenance';
+
 		if ( $enable ) {
 			if ( ! wp_doing_cron() ) {
 				$this->skin->feedback( 'maintenance_start' );
 			}
+
 			// Create maintenance file to signal that we are upgrading.
 			$maintenance_string = '<?php $upgrading = ' . time() . '; ?>';
 			$wp_filesystem->delete( $file );
 			$wp_filesystem->put_contents( $file, $maintenance_string, FS_CHMOD_FILE );
-		} elseif ( ! $enable && $wp_filesystem->exists( $file ) ) {
+		} elseif ( $wp_filesystem->exists( $file ) ) {
 			if ( ! wp_doing_cron() ) {
 				$this->skin->feedback( 'maintenance_end' );
 			}
+
 			$wp_filesystem->delete( $file );
 		}
 	}