Date: Sun, 27 Mar 2011 15:27:32 -0700 From: David Wolfskill <david@catwhisker.org> To: Doug Barton <dougb@FreeBSD.org> Cc: hackers@FreeBSD.org Subject: Re: Keeping /etc/localtime up-to-date Message-ID: <20110327222732.GA1514@albert.catwhisker.org> In-Reply-To: <4D8F9E9A.50604@FreeBSD.org> References: <20110327153835.GA87420@albert.catwhisker.org> <4D8F9E9A.50604@FreeBSD.org>
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[-- Attachment #1 --] 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. :) Indeed. > >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. Hmm... OK.... > 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. :-) Peace, david -- David H. Wolfskill david@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. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (FreeBSD) iEYEARECAAYFAk2PudMACgkQmprOCmdXAD2i3QCcDfC736kq1X49qVIpOCQypXru AjoAn3kPPHFQzpiWTbCF9DFfXLWsunLq =8Qkz -----END PGP SIGNATURE-----help
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