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Date: Sun, 29 Aug 2010 13:20:51 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Chip Camden <sterling@camdensoftware.com>
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	(wonkity.com [127.0.0.1]); Sun, 29 Aug 2010 13:20:51 -0600 (MDT)
Cc: FreeBSD Questions <questions@freebsd.org>
Subject: Re: Moving from one port to another
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On Sun, 29 Aug 2010, Chip Camden wrote:
> Quoth Eitan Adler on Sunday, 29 August 2010:
>> On Sat, Aug 28, 2010 at 10:40 PM, Kurt Buff <kurt.buff@gmail.com> wrote:
>>> Portupgrade won't, AFAIK, cross branches, though I could be wrong about that.
>>>
>>> There's a 3.0 branch in /usr/ports/www/squid30 and a 3.1 branch in
>>> /usr/ports/www/squid31, and I want to make the switch to pick up a
>>> feature.
>>
>> portmaster -o www/squid31 www/squid30
>
> So, if I understand correctly, I could use this to upgrade from python26
> to python27?  Or perl 5.8.9 to perl 5.12?  and everything that depended
> on the former will be upgraded to the latter?  Can I say "sweeeeet" in
> advance?  Is there a way to do that with portupgrade, or is this one of
> those features that makes portmaster a better mousetrap?

portupgrade has had it for a long time:

man portupgrade | less '+/-o ORIGIN'