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# Set the hostname from DHCP data if required
need_hostname()
{
case "$(hostname)" in
""|"(none)"|localhost) [ -n "${new_host_name}" ];;
"${old_host_name}") true;;
*) false;;
esac
}
set_hostname()
{
if need_hostname; then
hostname "${new_host_name}"
fi
}
case "${reason}" in
BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT) set_hostname;;
esac
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