Date: Wed, 15 Jun 2011 06:51:32 +0400 From: Peter Vereshagin <peter@vereshagin.org> To: freebsd-questions@freebsd.org Subject: Re: Extract particular date snapshot from /var/db/portsnap? Message-ID: <20110615025132.GF5630@external.screwed.box> In-Reply-To: <4DF803F5.8040400@FreeBSD.org> References: <20110615000951.GD5630@external.screwed.box> <4DF803F5.8040400@FreeBSD.org>
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You can't take no for an answer, freebsd-questions! 2011/06/14 20:59:33 -0400 Greg Larkin <glarkin@FreeBSD.org> => To Peter Vereshagin : GL> > How can I extract an 'old' snapshot from portsnap database? GL> > Does it keep them? Does portsnap keep snapshots fetched previously? GL> > GL> > Suppose I need the particular port or the whole tree as of the specified date GL> > and time? GL> > Or, if I need the particular version of the specified port and optionally the GL> > ports tree that corresponds it? GL> > GL> > Thank you. GL> GL> Hi Peter, GL> GL> You can fetch a ports tree as of specific date like so: GL> GL> cvs -d :ext:anoncvs@anoncvs1.FreeBSD.org:/home/ncvs export -D 2010-10-01 GL> -d ports-2010-10-01 ports GL> GL> In this example, I am exporting (no CVS metadata dirs) a full ports tree GL> as of Oct 1st, 2010 into the directory "ports-2010-10-01". Sure, I know I can do it with (x)VCS. I'd like an offline solution as it can be faster for me than to go and turn my big internet switch on ;-) Looking at the portsnap storage I see no mission impossible about it. It was an empirical part of my question. Having a port for the distfile I have from half a year ago and knowledge it is stored somewhere in /var/db/portsnap is a practical part of my question. I just need no internet connection to get the port from VCS if I can have the new distfile instead, so it's no much useful to use VCS for this case ;-) GL> You can keep many different dated copies of the ports tree, and you can GL> also fetch portions of it as of a specific date if you specify a more GL> complete module name, e.g. ports/lang/gcc45. But hell yes, having VCS before such a situation to happen is good. "Just if we knew before ..." From the first glance at the what the portsnap is it looks promising it's certainly a natural matter for it: ports snapshots management. For example, the file system snapshots are very useful for that same purpose I describe here, why ports snapshots should not? 73! Peter pgp: A0E26627 (4A42 6841 2871 5EA7 52AB 12F8 0CE1 4AAC A0E2 6627) -- http://vereshagin.org
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