Ticket #57999: 57999-notice.diff

src/wp-admin/update-core.php

@@ -1031 +1031 @@
 
         <?php
         if ( $upgrade_error ) {
-                echo '<div class="error"><p>';
                 if ( 'themes' === $upgrade_error ) {
-                        _e( 'Please select one or more themes to update.' );
+                        $themes = get_theme_updates();
+                        if ( ! empty( $themes ) ) {
+                                $classes = 'error';
+                                $message = __( 'Please select one or more themes to update.' );
+                        } else {
+                                $classes = 'notice notice-info';
+                                $message = __( 'Your themes are all up to date.' );
+                        }
                 } else {
-                        _e( 'Please select one or more plugins to update.' );
+                        $plugins = get_plugin_updates();
+                        if ( ! empty( $plugins ) ) {
+                                $classes = 'error';
+                                $message = __( 'Please select one or more plugins to update.' );
+                        } else {
+                                $classes = 'notice notice-info';
+                                $message = __( 'Your plugins are all up to date.' );
+                        }
                 }
-                echo '</p></div>';
+                printf( '<div class="%s"><p>%s</p></div>', $classes, $message );
         }
 
         $last_update_check = false;