rules: support substitutions in TAG=

diff --git a/udev/udev-rules.c b/udev/udev-rules.c
index a77e1e2..48395e7 100644 (file)
--- a/udev/udev-rules.c
+++ b/udev/udev-rules.c
@@ -2526,11 +2526,15 @@ int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event
                        }
                        break;
                }
-               case TK_A_TAG:
+               case TK_A_TAG: {
+                       char tag[UTIL_PATH_SIZE];
+
+                       udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag));
                        if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
                                udev_device_cleanup_tags_list(event->dev);
-                       udev_device_add_tag(event->dev, &rules->buf[cur->key.value_off]);
+                       udev_device_add_tag(event->dev, tag);
                        break;
+               }
                case TK_A_NAME: {
                        const char *name  = &rules->buf[cur->key.value_off];
                        char name_str[UTIL_PATH_SIZE];