Ticket #42184: 42184.1.diff

src/wp-admin/js/updates.js

@@ -1806 +1806 @@
                                 } else if ( 'delete-theme' === job.action && 'themes' === pagenow ) {
                                         $message = $( '.theme-actions .delete-theme' );
                                 }
+                        } else if ( 'customize' === pagenow ) {
+                                wp.customize.notifications.remove( 'theme_installing' );
+                                if ( 'install-theme' === job.action ) {
+                                        $message = $( '[data-slug="' + job.data.slug + '"]' );
+                                } else if ( 'update-theme' === job.action ) {
+                                        $message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.update-message' );
+                                } else if ( 'delete-theme' === job.action ) {
+                                        $message = $( '.theme-actions .delete-theme' );
+                                }
                         } else {
                                 $message = $updatingMessage;
                         }

src/wp-includes/class-wp-customize-manager.php

@@ -402 +402 @@
                 if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) {
                         require_once ABSPATH . '/wp-admin/includes/update.php';
                         add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' );
+                        add_action( 'customize_controls_print_footer_scripts', 'wp_print_request_filesystem_credentials_modal' );
                 }
         }