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RE: Update that pulls a null delta

From: Bob Archer <Bob.Archer_at_amsi.com>
Date: Fri, 12 Oct 2012 18:35:45 -0400

> -----Original Message-----
> From: C. Michael Pilato [mailto:cmpilato_at_collab.net]
> Sent: Friday, October 12, 2012 3:03 PM
> To: Daniel Shahaf
> Cc: dev_at_subversion.apache.org
> Subject: Re: Update that pulls a null delta
> On 10/12/2012 10:05 AM, Daniel Shahaf wrote:
> > If an update pulls in a null delta --- eg, because it updates across
> > two revisions that revert each other --- then it should behave as though it
> > pulled nothing at all: output no 'U filename' lines, and print "At
> > revision %ld".
> >
> > Right?
> I could understand arguments both ways for this, and certainly Subversion
> distinguishes between "file's been changed between versions X and Y" and
> "file's content differs between versions X and Y".
> Immediately prior to performing an update such as the one you describe, you'd
> want 'svn status -u' to show you that the remote version was modified and not
> obscure that fact simply because the delta is null -- this is an indication that any
> attempt to commit local mods to that file is doomed to an out-of-date failure.
> Likewise, it *could* be confusing for folks who do attempt to commit such a
> locally modified file 'foo', get an out-of-date error on the commit, run 'svn
> update foo' to resolve that issue but then see no output at all.
> --
> C. Michael Pilato <cmpilato_at_collab.net>
> CollabNet <> www.collab.net <> Enterprise Cloud Development
Received on 2012-10-13 00:36:20 CEST

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