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#!/usr/bin/env bash
set -ex
test_rule="/run/udev/rules.d/49-test.rules"
setup() {
mkdir -p "${test_rule%/*}"
cp -f /etc/udev/udev.conf /etc/udev/udev.conf.bckp
cat >"${test_rule}" <<EOF
SUBSYSTEM=="net", KERNEL=="lo", OPTIONS="log_level=debug"
SUBSYSTEM=="net", KERNEL=="lo", PROGRAM=="/bin/sleep 60"
EOF
echo "event_timeout=30" >>/etc/udev/udev.conf
echo "timeout_signal=SIGABRT" >>/etc/udev/udev.conf
systemctl restart systemd-udevd.service
}
teardown() {
set +e
mv -f /etc/udev/udev.conf.bckp /etc/udev/udev.conf
rm -f "$test_rule"
systemctl restart systemd-udevd.service
}
run_test() {
since="$(date +%T)"
echo add >/sys/class/net/lo/uevent
for _ in {1..20}; do
sleep 5
if coredumpctl --since "$since" --no-legend --no-pager | grep /bin/udevadm ; then
return 0
fi
done
return 1
}
trap teardown EXIT
setup
run_test
exit 0
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