Date: Fri, 08 Oct 1999 10:18:58 -0700 From: bmah@CA.Sandia.GOV (Bruce A. Mah) To: Neil Blakey-Milner <nbm@mithrandr.moria.org> Cc: Kris Kennaway <kris@hub.FreeBSD.ORG>, Mike Meyer <mwm@phone.net>, freebsd-ports@FreeBSD.ORG Subject: Re: install newer version over old one... Message-ID: <199910081718.KAA71914@nimitz.ca.sandia.gov> In-Reply-To: Your message of "Fri, 08 Oct 1999 11:21:46 %2B0200." <19991008112146.A39653@rucus.ru.ac.za>
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If memory serves me right, Neil Blakey-Milner wrote:
> On Thu 1999-10-07 (16:28), Kris Kennaway wrote:
> > 1) We leave things as they are in /var/db/pkg, and the make target matches
> > against the subdirectories with ${PKGNAME}-*. This has potential problems
> > with ports named foo and foo-devel, etc - you can't differentiate between
> > a PKGVER of "devel-1.0" and a PKGNAME of "foo-devel" and "1.0". We could
> > mandate that all PKGVERs start with a number, but it's still kinda icky
> > IMO, and probably will fail to catch a number of corner cases.
>
> The stuff after the last '-' is the version.
>
> That is the way things are meant to work - if it doesn't, it's a mistake,
> and needs to be fixed.
>
> This is how pkg_version does its stuff, for example.
Please don't take pkg_version as a definitive authority on how packages
should be numbered/named. It's a gross hack. I can say this because
I'm the poor chap who wrote it. :-)
My two cents (which have probably already been expressed very well by
others on this list) are that: Explicit support for finding two
versions of "the same" port is a Good Thing (TM). Whoever does this
also needs to think very carefully about what "newer" means (in
particular, keeping in mind that "newer" != "better"). There's also
the idea that a package can change without changing the version number
of the installed software (e.g. someone adds a patch-xx or tweaks the
Makefile).
I'm somewhat in favor of encoding some of this data in /var/db/pkg/
foo-x.y.z/+SOMEFILE since the package creation process has a lot more of
this information available than pkg_version does, thus eliminating the
need for pkg_version (et al) to try to figure these things out.
Bruce.
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