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Date: Tue, 22 Jan 2008 09:57:57 -0700 (MST)
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To: ru@FreeBSD.ORG
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: cvs-src@FreeBSD.ORG, src-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG,
	obrien@FreeBSD.ORG
Subject: Re: cvs commit: src Makefile.inc1 src/tools/build Makefile
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In message: <20080122155427.GB16573@team.vega.ru>
            Ruslan Ermilov <ru@FreeBSD.ORG> writes:
: Hi,
: 
: On Mon, Jan 21, 2008 at 03:14:17PM -0700, M. Warner Losh wrote:
: > In message: <200801211844.m0LIiufY081896@repoman.freebsd.org>
: >             "David E. O'Brien" <obrien@FreeBSD.org> writes:
: > :   Remove 5.x and 6.x cruft - source upgrades to RELENG_8 from versions prior
: > :   to RELENG_7 are not supported.
: > 
: > I've just committed an updating entry for this change.  The commit
: > message has a typo in it.  It should read "versions prior to RELENG_6"
: > rather than RELENG_7.
: 
: Both messages are bad, because RELENG_[67] are floating targets.

They are imprecise.  But are a good mnemonic for how to remember
what's supported.

: > This means we support people back just under 3
: > years (May 2005: 2 years 8 months) rather than the little over 3 years
: > we did before (Oct 2004 3 years 3 months).  FreeBSD_vesrion 600029 and
: > newer will work.  So this delta pushes back things forward only about
: > 8 months.
: 
: I only wonder how was the value of 600029 choosen?

It was two revisions before the branch point for RELENG_6, which
happened at 600031.  It also is one greater than the largest if that
was removed.

Warner