From 6824690f140f45064157d220a24b9afbeb1d093f Mon Sep 17 00:00:00 2001
From: Kay Sievers <kay@vrfy.org>
Date: Wed, 3 Jul 2013 00:23:41 +0200
Subject: [PATCH] hwdb: allow to query arbitrary keys

---
 src/udev/udev-builtin-hwdb.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/udev/udev-builtin-hwdb.c b/src/udev/udev-builtin-hwdb.c
index 9895f651c..36958916c 100644
--- a/src/udev/udev-builtin-hwdb.c
+++ b/src/udev/udev-builtin-hwdb.c
@@ -144,6 +144,13 @@ static int builtin_hwdb(struct udev_device *dev, int argc, char *argv[], bool te
                 }
         }
 
+        /* query a specific key given as argument */
+        if (argv[optind]) {
+                if (udev_builtin_hwdb_lookup(dev, argv[optind], filter, test) > 0)
+                        return EXIT_SUCCESS;
+                return EXIT_FAILURE;
+        }
+
         /* read data from another device than the device we will store the data */
         if (device) {
                 srcdev = udev_device_new_from_device_id(udev_device_get_udev(dev), device);
-- 
2.30.2