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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
# shellcheck disable=SC2016
set -eux
set -o pipefail
# Test adding new BindPaths while unit is already running
at_exit() {
set +e
rm -f /run/TEST-23-UNIT-FILE-marker-{fixed,runtime}
rm -fr /run/inaccessible
}
trap at_exit EXIT
echo "MARKER_FIXED" >/run/TEST-23-UNIT-FILE-marker-fixed
mkdir /run/inaccessible
systemctl start TEST-23-UNIT-FILE-namespaced.service
# Ensure that inaccessible paths aren't bypassed by the runtime setup,
(! systemctl bind --mkdir TEST-23-UNIT-FILE-namespaced.service /run/TEST-23-UNIT-FILE-marker-fixed /run/inaccessible/testfile-marker-fixed)
echo "MARKER_WRONG" >/run/TEST-23-UNIT-FILE-marker-wrong
echo "MARKER_RUNTIME" >/run/TEST-23-UNIT-FILE-marker-runtime
# Mount twice to exercise mount-beneath (on kernel 6.5+, on older kernels it will just overmount)
systemctl bind --mkdir TEST-23-UNIT-FILE-namespaced.service /run/TEST-23-UNIT-FILE-marker-wrong /tmp/testfile-marker-runtime
test "$(systemctl show -P SubState TEST-23-UNIT-FILE-namespaced.service)" = "running"
systemctl bind --mkdir TEST-23-UNIT-FILE-namespaced.service /run/TEST-23-UNIT-FILE-marker-runtime /tmp/testfile-marker-runtime
timeout 10 bash -xec 'while [[ "$(systemctl show -P SubState TEST-23-UNIT-FILE-namespaced.service)" == running ]]; do sleep .5; done'
systemctl is-active TEST-23-UNIT-FILE-namespaced.service
# Now test that systemctl bind fails when attempted on a non-namespaced unit
systemctl start TEST-23-UNIT-FILE-non-namespaced.service
(! systemctl bind --mkdir TEST-23-UNIT-FILE-non-namespaced.service /run/TEST-23-UNIT-FILE-marker-runtime /tmp/testfile-marker-runtime)
timeout 10 bash -xec 'while [[ "$(systemctl show -P SubState TEST-23-UNIT-FILE-non-namespaced.service)" == running ]]; do sleep .5; done'
(! systemctl is-active TEST-23-UNIT-FILE-non-namespaced.service)
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