#!/usr/bin/env bash

set -eux
set -o pipefail

systemd-analyze log-level debug
systemd-analyze log-target console

export SYSTEMD_PAGER=
SERVICE_PATH="$(mktemp /etc/systemd/system/execreloadXXX.service)"
SERVICE_NAME="${SERVICE_PATH##*/}"

echo "[#1] Failing ExecReload= should not kill the service"
cat >"$SERVICE_PATH" <<EOF
[Service]
ExecStart=/bin/sleep infinity
ExecReload=/bin/false
EOF

systemctl daemon-reload
systemctl start "$SERVICE_NAME"
systemctl status "$SERVICE_NAME"
# The reload SHOULD fail but SHOULD NOT affect the service state
systemctl reload "$SERVICE_NAME" && { echo 'unexpected success'; exit 1; }
systemctl status "$SERVICE_NAME"
systemctl stop "$SERVICE_NAME"


echo "[#2] Failing ExecReload= should not kill the service (multiple ExecReload=)"
cat >"$SERVICE_PATH" <<EOF
[Service]
ExecStart=/bin/sleep infinity
ExecReload=/bin/true
ExecReload=/bin/false
ExecReload=/bin/true
EOF

systemctl daemon-reload
systemctl start "$SERVICE_NAME"
systemctl status "$SERVICE_NAME"
# The reload SHOULD fail but SHOULD NOT affect the service state
systemctl reload "$SERVICE_NAME" && { echo 'unexpected success'; exit 1; }
systemctl status "$SERVICE_NAME"
systemctl stop "$SERVICE_NAME"

echo "[#3] Failing ExecReload=- should not affect reload's exit code"
cat >"$SERVICE_PATH" <<EOF
[Service]
ExecStart=/bin/sleep infinity
ExecReload=-/bin/false
EOF

systemctl daemon-reload
systemctl start "$SERVICE_NAME"
systemctl status "$SERVICE_NAME"
systemctl reload "$SERVICE_NAME"
systemctl status "$SERVICE_NAME"
systemctl stop "$SERVICE_NAME"

systemd-analyze log-level info

echo OK >/testok

exit 0