From df6ec1d1693c8c80c323b40d6fc82bb549363db3 Mon Sep 17 00:00:00 2001
From: Iker Pedrosa <ipedrosa@redhat.com>
Date: Mon, 29 Mar 2021 05:26:28 +0200
Subject: [PATCH] man: include lastlog file caveat (#313)

man/lastlog.8.xml: add another point to the caveats section regarding
the handling of the lastlog file by external tools.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=951564
---
 man/lastlog.8.xml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/man/lastlog.8.xml b/man/lastlog.8.xml
index fc096c8f..7e68282f 100644
--- a/man/lastlog.8.xml
+++ b/man/lastlog.8.xml
@@ -233,5 +233,12 @@
       is no entries for users with UID between 170 and 800 lastlog will appear
       to hang as it processes entries with UIDs 171-799).
     </para>
+    <para>
+      Having high UIDs can create problems when handling the <term><filename>
+      /var/log/lastlog</filename></term> with external tools. Although the
+      actual file is sparse and does not use too much space, certain
+      applications are not designed to identify sparse files by default and may
+      require a specific option to handle them.
+    </para>
   </refsect1>
 </refentry>