From: Karel Zak <kzak@redhat.com>
Date: Wed, 3 Sep 2025 09:57:06 +0000 (+0200)
Subject: hardlink: (man) add note note about ULFILEEQ_DEBUG=
X-Git-Tag: v2.41.2-rc1~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=379023ae1a4dc8e290543caac849bc83eda077d7;p=thirdparty%2Futil-linux.git

hardlink: (man) add note note about ULFILEEQ_DEBUG=

Addresses: https://github.com/util-linux/util-linux/discussions/3323
Signed-off-by: Karel Zak <kzak@redhat.com>
(cherry picked from commit d073aab9d34eea205545c77222947691f4abf5aa)
---

diff --git a/misc-utils/hardlink.1.adoc b/misc-utils/hardlink.1.adoc
index e09572f6c..9cd2b6ddd 100644
--- a/misc-utils/hardlink.1.adoc
+++ b/misc-utils/hardlink.1.adoc
@@ -150,6 +150,11 @@ include::man-common/help-version.adoc[]
 
 *hardlink* takes one or more directories which will be searched for files to be linked.
 
+== ENVIRONMENT
+
+*ULFILEEQ_DEBUG*=all::
+Enables debug output for file comparisons.
+
 == BUGS
 
 The original *hardlink* implementation uses the option *-f* to force hardlinks creation between filesystem. This very rarely usable feature is no more supported by the current *hardlink*.