Date: Fri, 21 Nov 1997 09:30:04 +1030 From: Mike Smith <mike@smith.net.au> To: Nate Williams <nate@mt.sri.com> Cc: chad@dcfinc.com, rkw@dataplex.net, brian@awfulhak.org, andrsn@andrsn.stanford.edu, freebsd-stable@freebsd.org Subject: Re: Version Resolution? Message-ID: <199711202300.JAA00612@word.smith.net.au> In-Reply-To: Your message of "Thu, 20 Nov 1997 15:18:00 PDT." <199711202218.PAA11561@mt.sri.com>
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> Where is this 'counter' stored? It's got to be in one place so that all > of the different distribution mechanisms get the same information if > they grab the same file (CTM/CVS/CVSup). If not in one place, then all > of the distribution mechanism must generate the *EXACT* same information > given the *EXACT* same information, and given that the propogation > delays of the sources throughout the world, then simple timestamps won't > work. > > So, how do you do it? It has to be done by CVS; each commit increments a counter. This means that simultaneous commits become impossible, as the object containing the counter has to be locked as part of the commit. TBH, I don't see this as a major problem, other than that it requires (yet )a(nother) hack to CVS. mike
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