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Re: Failed to find old revision of moved file

From: David Faure <faure_at_kde.org>
Date: 2005-06-10 14:19:28 CEST

On Monday 06 June 2005 00:45, Max Bowsher wrote:
> Nicolas Goutte wrote:
> > On Sunday 05 June 2005 23:18, Max Bowsher wrote:
> >> Nicolas Goutte wrote:
> >>> I have a seen that Subversion has a problem with finding old revision of
> >>> a moved file, for example:
> >>>
> >>> LANG=C svn log -r1
> >>> http://svn.collab.net/repos/svn/branches/1.1.x-r14063/doc/ README
> >>>
> >>> results in:
> >>>
> >>> svn: REPORT request failed on
> >>> '/repos/svn/!svn/bc/1/branches/1.1.x-r14063/doc/ README'
> >>> svn: '/repos/svn/!svn/bc/1/branches/1.1.x-r14063/doc/README' path not
> >>> found
> >>
> >> That file does not exist in that revision. Thus a 'not found' error.
> >> Exactly as expected.
> >
> > Well, it depends what you expect.
> >
> > On one side a "svn log" gives such a revision number and when you want to
> > do
> > anything with that revision number it does not work. That is not what I
> > expect. Sorry!
>
> Well, no *I* don't expect svn log to give me revision numbers that don't
> work, either. But I'm pretty sure there is no way you could have got svn log
> to tell you that branches/1.1.x-r14063 existed in r1.
>
> I think you have tried to show us a minimal example of your problem, but
> have actually trimmed your actual problem away in trying to minimize the
> example, leaving behind a useless command.

Well, what about this then?
svn log http://svn.collab.net/repos/svn/branches/1.1.x-r14063/doc/README
shows that there was a revision number 2558 on that file, right?

svn diff -r1:2558 http://svn.collab.net/repos/svn/branches/1.1.x-r14063/doc/README
can even show you the patch of that revision.

Now, how do I get the log of that revision only?

svn log -r2558 http://svn.collab.net/repos/svn/branches/1.1.x-r14063/doc/README
svn: REPORT request failed on '/repos/svn/!svn/bc/2558/branches/1.1.x-r14063/doc/README'
svn: '/repos/svn/!svn/bc/2558/branches/1.1.x-r14063/doc/README' path not found

Why does "svn log" show a revision, and a log, which can't be retrieved independently
with svn log -r<rev> ? I know that the file moved since that revision, but that's
a detail that one usually doesn't care about when looking at history. If I want to
know why a given change was made, it doesn't matter to me where the file was when
that change was made.

This problem affects KDE a lot, because everything got moved (reorganized)
after the cvs2svn conversion, so any trip back in history hits this "no such revision" bug
in svn log -r.

-- 
David Faure, faure@kde.org, sponsored by Trolltech to work on KDE,
Konqueror (http://www.konqueror.org), and KOffice (http://www.koffice.org).
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Received on Fri Jun 10 14:21:45 2005

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