From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 23 Jul 2025 18:16:11 +0000 (+0900)
Subject: TEST-07-PID: journalctl -u may not work for short living processes
X-Git-Tag: v258-rc2~95^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=052e2cfbb8823b11bff31db24cfee842311d95aa;p=thirdparty%2Fsystemd.git

TEST-07-PID: journalctl -u may not work for short living processes

Hopefully fixes #37818.
---

diff --git a/test/units/TEST-07-PID1.prefix-shell.sh b/test/units/TEST-07-PID1.prefix-shell.sh
index c095ce77318..8771e12f8af 100755
--- a/test/units/TEST-07-PID1.prefix-shell.sh
+++ b/test/units/TEST-07-PID1.prefix-shell.sh
@@ -14,9 +14,14 @@ systemd-run --wait --uid=nobody \
 assert_eq "$(cat /tmp/TEST-07-PID1.prefix-shell.flag)" "a"
 rm /tmp/TEST-07-PID1.prefix-shell.flag
 
+# If the service exits too early, journald cannot find the source process of the log message.
+# Hence, we cannot use 'journalctl -u' below. Instead, let's use --since=.
+journalctl --sync
+TS="$(date '+%H:%M:%S')"
+
 systemctl start prefix-shell.service
 assert_eq "$(cat /tmp/TEST-07-PID1.prefix-shell.flag)" "YAY!"
 
 journalctl --sync
-journalctl -b -u prefix-shell.service --grep "with login shell .*: lvl 101"
-journalctl -b -u prefix-shell.service --grep "with normal shell"
+journalctl --since "$TS" --grep "with login shell .*: lvl 101"
+journalctl --since "$TS" --grep "with normal shell"