How does the time zone info get updated?

[Andriy Gapon]

On 2021-01-06 00:21, Stefan Esser wrote:
> Am 05.01.21 um 21:36 schrieb Warner Losh:
>> On Tue, Jan 5, 2021 at 12:51 PM Stefan Esser <se at freebsd.org
>> <mailto:se at freebsd.org>> wrote:
> [...]
>>     Yes, if only the leap-seconds are required, this helps get the time
>>     synchronized - but is quite different from timezone file updates.
>>
>>      > So no TZ update outside an os upgrade, but the leap seconds file
>>     updates
>>      > at the speed of NIST...
>>
>>     The OP did not ask for leap-second updates but for timezone files,
>>     if I understand his mail correctly.
>>
>> Yes. But I know him from another list I'm on and knew the back story.
>> How does FreeBSD know about leap seconds and what mechanism does it
>> use to keep up to date was the topic there.
> 
> Well, then you answered the question sent to the other list,
> which I have not seen and did not know about this context ...
> 
> But Ed Maste has meanwhile answered the question he asked on
> this list (as far as I understand it):
> 
> -> "freebsd-update" applies the timezone changes and EN notes
> are sent out to notify users of the availability of this update.
> 
> And release users should follow-up on EN notes anyway and thus
> should not miss the timezone updates.


Also, another option (at least for me) is to replace timezone files from
base with those from tzdata package.  Port / package updates are more
flexible / frequent.


-- 
Andriy Gapon