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Date:      Wed, 14 Mar 2001 15:10:22 -0800
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Nate Williams <nate@yogotech.com>
Cc:        freebsd-arch@FreeBSD.ORG
Subject:   Re: [PATCH] add a SITE MD5 command to ftpd
Message-ID:  <20010314151022.B5250@dragon.nuxi.com>
In-Reply-To: <15023.61042.768406.854325@nomad.yogotech.com>; from nate@yogotech.com on Wed, Mar 14, 2001 at 03:19:30PM -0700
References:  <20010314105918.A5204@roaming.cacheboy.net> <35525.984597779@critter> <20010314210758.A2405@roaming.cacheboy.net> <15023.53743.215996.538067@nomad.yogotech.com> <20010314130025.A3031@dragon.nuxi.com> <xzpelw0yqun.fsf@flood.ping.uio.no> <20010314161646.A1482@dan.emsphone.com> <15023.61042.768406.854325@nomad.yogotech.com>

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On Wed, Mar 14, 2001 at 03:19:30PM -0700, Nate Williams wrote:
> > > > The checker can *easily* keep a list of files sizes and date stamps
> > > > and compare that.
> > > 
> > > Date stamps are useless. They'd be different on different master
> > > sites anyway. File size is almost as bad, as two files can very
> > > easily be totally different and still have the same size.
> > 
> > But how often do port distfiles change, but keep their size?
> 
> Often enough that it's been seen.
> 
> > Pretty low, I'd say, at least compared to the number of times the size
> > changes and the filename stays the same.
> 
> True, but now we'd have to modify every port to include both the MD5
> *AND* filesize information in the port.  Right now the MD5 is part of
> the port, so all the information is necessary in the ports tree to do
> the SITE-MD5, except for the ftp infrastructure.

Can you address the fact that the majority of MASTERSITES either use
HTTP, or offer it and is thus given perference by all maintainers (except
me).  Thus this hack has pretty low coverage, *even* if you get the
native Linux, wu-ftpd, and ProFTPd to accept it.
 

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