From a33d15751b3e3910bd06125efbeae6569844f313 Mon Sep 17 00:00:00 2001
From: Alexander Barton <alex@barton.de>
Date: Sat, 13 Apr 2024 15:52:33 +0200
Subject: [PATCH] Test suite: Don't use "pgrep -u" when LOGNAME and USER are
 not set

Thanks for reporting this on IRC, luca!
---
 src/testsuite/getpid.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/testsuite/getpid.sh b/src/testsuite/getpid.sh
index 85059142..3cc186e1 100755
--- a/src/testsuite/getpid.sh
+++ b/src/testsuite/getpid.sh
@@ -23,7 +23,13 @@ if [ -x /usr/bin/pgrep ]; then
 		*)
 			PGREP_FLAGS=""
 	esac
-	exec /usr/bin/pgrep $PGREP_FLAGS -n -u "${LOGNAME:-$USER}" "$1"
+	if [ -n "$LOGNAME" ] || [ -n "$USER" ]; then
+		# Try to narrow the search down to the current user ...
+		exec /usr/bin/pgrep $PGREP_FLAGS -n -u "${LOGNAME:-$USER}" "$1"
+	else
+		# ... but neither LOGNAME nor USER were set!
+		exec /usr/bin/pgrep $PGREP_FLAGS -n "$1"
+	fi
 fi
 
 # pidof(1) could be a good alternative on elder Linux systems
-- 
2.39.2