systemd/0182-loginctl-when-showing-device-tree-of-seats-with-no-d.patch

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From d34a6029e4a59c75d9826e0aa57e548a86b08bba Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 18 Dec 2013 17:16:33 +0100
Subject: [PATCH] loginctl: when showing device tree of seats with no devices
show something useful
---
src/login/sysfs-show.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/login/sysfs-show.c b/src/login/sysfs-show.c
index f7d11dd..cb12ebf 100644
--- a/src/login/sysfs-show.c
+++ b/src/login/sysfs-show.c
@@ -181,6 +181,8 @@ int show_sysfs(const char *seat, const char *prefix, unsigned n_columns) {
first = udev_enumerate_get_list_entry(e);
if (first)
show_sysfs_one(udev, seat, &first, "/", prefix, n_columns);
+ else
+ printf("%s%s%s\n", prefix, draw_special_char(DRAW_TREE_RIGHT), "(none)");
return r;
}