From f2a01782a3ac43a3d89fa4deaf04008d45291738 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Tue, 29 Oct 2024 11:20:37 +0100
Subject: [PATCH] test/check-systemd-unit: skip if systemd too old

On RHEL 8, the --offline argument is not yet there.

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/merge_requests/2060
---
 src/tests/check-systemd-unit.sh | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/tests/check-systemd-unit.sh b/src/tests/check-systemd-unit.sh
index 7e3f786e09..b16f2a3353 100755
--- a/src/tests/check-systemd-unit.sh
+++ b/src/tests/check-systemd-unit.sh
@@ -4,13 +4,19 @@
 set -e
 set -o pipefail
 
-# We're using "security" as opposed to "verify" because (as of 2024)
-# the latter doesn't support --offline runs.
-#
-# The point is that if anything appears before the security report
-# header, there's an error or a warning while parsing the unit file.
-env -i systemd-analyze --offline=true security "$1" 2>&1 |awk '
-	/NAME.*DESCRIPTION.*EXPOSURE/ {suppress=1}
-	{if (!suppress) {print; failed++}}
-	END {exit failed}
-'
+if systemd-analyze --offline=true security 2>/dev/null </dev/null; then
+
+	# We're using "security" as opposed to "verify" because (as of 2024)
+	# the latter doesn't support --offline runs.
+	#
+	# The point is that if anything appears before the security report
+	# header, there's an error or a warning while parsing the unit file.
+	env -i systemd-analyze --offline=true security "$1" 2>&1 |awk '
+		/NAME.*DESCRIPTION.*EXPOSURE/ {suppress=1}
+		{if (!suppress) {print; failed++}}
+		END {exit failed}
+	'
+
+else
+	echo "SKIP: systemd-analyze --offline=true security not supported" >&2
+fi