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Re: Weird need for "svn update"

From: Neels Janosch Hofmeyr <neels_at_elego.de>
Date: Thu, 11 Jun 2009 01:23:36 +0200

Regarding this, stsp pointed out to me:

http://subversion.tigris.org/faq.html#hidden-log

and it's probably done like that for performance reasons.
I'm done wondering. It stays like this. ;)

Thanks for your patience,
~Neels

Neels Janosch Hofmeyr wrote:
> Tyler Roscoe wrote:
>> On Wed, Jun 10, 2009 at 03:27:54PM +0200, Neels Janosch Hofmeyr wrote:
>>> mkdir dir
>>> echo fool > dir/foo
>>> svn add dir
>>> svn ci -m log1
>> As soon as you commit here, you have changed the repository:
>> revisionNumber++.
>>
>>> ## The problem disappears when removing this edit:
>>> echo once > dir/foo
>>> svn ci -m log2
>> So when you go to commit here, you're using a working copy that doesn't
>> have the "latest" from the repo, hence the error. Yes, that change came
>> from this very working copy, but I'm guessing there are weird corner
>> cases you can get into if your working copy doesn't force you to update
>> here before committing something else.
>
> I added `svn info' calls and I see that my working copy root stays at rev 0,
> and dir stays at rev 1.
>
> But thinking about it, I don't see why Subversion needs to do that.
> If I commit dir/ recursively, the next revision of dir/ will be exactly what
> is in my working copy right now (generally), right?
>
> Why doesn't subversion recognise "Ok, this new HEAD revision is created by
> me, and this unchanged directory is one of my targets. So I know that this
> directory is unchanged in the new HEAD. Thus, the dir must now be at HEAD."
>
> This assumption in fact only works when said dir is up-to-date. But in my
> example, it initially is up-to-date, until a commit fails to tag along the
> up-to-dateness. At least when a target dir is up-to-date, surely a commit
> could drag along that dir's rev to HEAD?
>
> What am I not getting?
> That this is a missing feature? ;)
>
> Thanks,
> ~Neels
>
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Received on 2009-06-11 01:26:13 CEST

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