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#!/bin/bash
set -Eeu -o pipefail
trap 'exit 3' ERR
NEEDS_RESTARTING_STDOUT=$(sudo dnf needs-restarting --reboothint) || NEED_REBOOT=$? && NEED_REBOOT=$?
STALE_SERVICES=($(sudo dnf needs-restarting --services 2>/dev/null | sed '/^user@/d'))
if (( NEED_REBOOT == 1 )); then
echo 'Reboot needed to apply package updates.'
RC=1
elif (( ${#STALE_SERVICES[@]} > 0 )); then
echo 'One or more services need restarting.'
RC=1
else
echo 'Everything is up to date.'
RC=0
fi
printf '%s\n\n' "${NEEDS_RESTARTING_STDOUT}"
if (( ${#STALE_SERVICES[@]} > 0 )); then
echo 'The following services need restarting to apply package updates:'
printf ' * %s\n' "${STALE_SERVICES[@]}"
else
echo "All running services are up to date."
fi
exit $RC
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