On Tue, May 13, 2008 at 3:44 PM, Jamis Buck <[EMAIL PROTECTED]> wrote:

>
> It's because an entire deploy actually consists of several non-atomic
> operations, and if you just use HEAD there exists a race condition
> such that one operation could be against one revision and the next
> operation against some newly pushed revision.


Yes, of course, this may be the most important reason of them all.
Deployment usually last a while---it doesn't happen in a second---and often
there is a lot of development (pushing) happening at the time of web app
deployments. Probability for a race condition would be high.

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