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Date:      Mon, 26 Oct 1998 13:03:53 +0000
From:      Andrew Boothman <andrew@sour.cream.org>
To:        Mark Murray <mark@grondar.za>
Cc:        "FreeBSD-Stable" <FreeBSD-Stable@FreeBSD.ORG>
Subject:   Re: CTM Release Generation - (Re: Stable and CTM) 
Message-ID:  <3.0.5.32.19981026130353.007b7e90@ice.cream.org>
In-Reply-To: <199810251755.TAA24686@gratis.grondar.za>
References:  <Your message of " Sun, 25 Oct 1998 17:20:00 GMT." <3.0.5.32.19981025172000.007cf500@ice.cream.org> <Your message of " Sat, 24 Oct 1998 22:54:50 %2B0100." <3.0.5.32.19981024225450.007af190@ice.cream.org> <3.0.5.32.19981024225450.007af190@ice.cream.org> <3.0.5.32.19981025172000.007cf500@ice.cream.org>

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At 19:55 25/10/98 +0200, Mark Murray wrote: 
>> OK. As a compromise you could possibly only keep the most recent xR delta,
>> and delete the previous one. I realise that this goes against how the CTM
>> system currently works, but it is a good way to get around the disk space
>> problem.
>
>No. The problem is the space to generate, not archive. Multiple copies
>of the source tree are needed, and a _crapload_ of scratch space.

Right, OK, sorry for the misunderstanding.

As the handbook states, there is no documentation on the creation of CTM
deltas so could you enlighten me as to why multiple source trees are
needed? Surely it is more or less a diff between the code as frozen on the
release date, and the code as it stands today?

Failing that, which machine currently produces CTM deltas, and would be
charged with creating the release deltas? Could this operation be moved to
a machine with more space available?

I would really like to see this system set-up one way or another.

I'm sorry for pushing this point so much, but I think that it would be a
really useful feature for users coming to track -stable or -current for the
first time. I'm sure that the majority of such users would already have
-Release code from WC CDROM sets, and would appriciate not having to
download it all again. :-)

Many thanks for your patience.
--
Andrew Boothman <andrew@sour.cream.org>
http://sour.cream.org
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