1 files changed, 50 insertions, 0 deletions
diff --git a/test/units/testsuite-07.issue-3171.sh b/test/units/testsuite-07.issue-3171.sh
new file mode 100755
index 0000000..db17c25
--- /dev/null
+++ b/test/units/testsuite-07.issue-3171.sh
@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+# SocketGroup lost on daemon-reload with unit moving away temporarily
+# Issue: https://github.com/systemd/systemd/issues/3171
+
+echo "g adm - - -" | systemd-sysusers -
+
+U=/run/systemd/system/issue-3171.socket
+cat >$U <<EOF
+[Unit]
+Description=Test 12 socket
+[Socket]
+Accept=yes
+ListenStream=/run/issue-3171.socket
+SocketGroup=adm
+SocketMode=0660
+EOF
+
+cat >/run/systemd/system/issue-3171@.service <<EOF
+[Unit]
+Description=Test service
+[Service]
+StandardInput=socket
+ExecStart=/bin/sh -x -c cat
+EOF
+
+systemctl start issue-3171.socket
+systemctl is-active issue-3171.socket
+[[ "$(stat --format='%G' /run/issue-3171.socket)" == adm ]]
+echo A | nc -w1 -U /run/issue-3171.socket
+
+mv $U ${U}.disabled
+systemctl daemon-reload
+systemctl is-active issue-3171.socket
+[[ "$(stat --format='%G' /run/issue-3171.socket)" == adm ]]
+echo B | nc -w1 -U /run/issue-3171.socket && exit 1
+
+mv ${U}.disabled $U
+systemctl daemon-reload
+systemctl is-active issue-3171.socket
+echo C | nc -w1 -U /run/issue-3171.socket && exit 1
+[[ "$(stat --format='%G' /run/issue-3171.socket)" == adm ]]
+
+systemctl restart issue-3171.socket
+systemctl is-active issue-3171.socket
+echo D | nc -w1 -U /run/issue-3171.socket
+[[ "$(stat --format='%G' /run/issue-3171.socket)" == adm ]]