Keeping /etc/localtime up-to-date
david at catwhisker.org
Sun Mar 27 22:27:33 UTC 2011
On Sun, Mar 27, 2011 at 01:31:22PM -0700, Doug Barton wrote:
> On 03/27/2011 08:38, David Wolfskill wrote:
> >It would (in principle) be possible to teach mergemaster(8) how to
> >do this (possibly by including a cookie in ~/.mergemasterrc or
> >/etc/mergemaster.rc to tell it what the "reference" zoneinfo pathname
> >is), but this type of approach seems sufficiently different from
> >(the bulk of?) what mergemaster does currently that I'm unconvinced
> >that this is reasonable, let alone ideal.
> Yeah, I wouldn't be enthusiastic about this. :)
> >So it seems to me that requirements would be:
> >* The content of /etc/localtime must provide the appropriate
> > "zoneinfo" information, even when/usr/share/zoneinfo/* has been
> > modified (or shortly thereafter, in concert with "make installworld").
> This is more along the lines of something that would be easy to work
> with in mergemaster.
> If I can tell what file in /usr/share/zoneinfo to
> compare /etc/localtime to (ideally with fully path), I'm happy to
> provide a mechanism in mergemaster to make sure it stays up to date.
Well, that's the function that the (hypothetical) "cookie" in
~/.mergemasterrc or /etc/mergemaster.rc was intended to to provide.
It could be a simple shell variable, for example.
There are other ways to do it, of course -- e.g., the first time the
utility is run, it could actually ask, but then cache the information in
some place so it could look there first (and if it finds a cached
answer, avoid asking again unless it's told to ignore the cache -- as
might be reasonable if the machine is moved to a different time zone.
But I tend to favor simplicity. :-)
David H. Wolfskill david at catwhisker.org
Depriving a girl or boy of an opportunity for education is evil.
See http://www.catwhisker.org/~david/publickey.gpg for my public key.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 196 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-hackers/attachments/20110327/ddbdea48/attachment.pgp
More information about the freebsd-hackers