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Re: description of Peg Revision Algorithm is incomplete

From: Vincent Lefevre <vincent-svn_at_vinc17.net>
Date: Tue, 30 Mar 2010 11:11:09 +0200

On 2010-03-29 12:36:11 -0400, C. Michael Pilato wrote:
> I was about to post that one place where there might be a lack of
> documentation is not so much in understanding what the peg revision means,
> but in understanding the "working copy path" -> "peg path" translation. The
> peg path algorithm works in repository path/rev space only. So any time a
> working copy path needs to be fed into that algorithm, it must be translated
> into a repository path (which on the client side comes in the form of a
> repository URL). To make that transformation, Subversion will resolve any
> working copy target path into its URL *as recorded in the working copy*,
> then use that as the path portion of the (path, peg-rev) input to the peg
> revision algorithm.
> And yes, as Greg points out, when a working copy object has no URL (because
> it is new and scheduled for addition), then the URL is probably constructed
> by tacking the object's basename onto the parent's URL.

Couldn't peg-rev be also taken into account to translate a working copy
object into a URL? This would make sense if the parent directory has
been renamed: as peg-rev is used to point to some object in the past,
one should consider what the URL was in the past.

Vincent Lefèvre <vincent@vinc17.net> - Web: <http://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon)
Received on 2010-03-30 11:11:43 CEST

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