Re: Why no one seems to care this issue in the past 3 years

On Wednesday 09 September 2009, Chen (陈) Jun (军) wrote:
> On Aug, 19 2006, when svn was at his 1.3.x, I asked a question on this
> mailing list, "SVN does not allow checking out parent dir if its child
> dir has been checked out",
> see http://svn.haxx.se/users/archive-2006-08/0881.shtml
>
> But now, svn 1.6.x still does not make improvement on this problem,
> except that the error message is a bit different.
>
> =========
> svn: Failed to add directory 'ChjTrivials\ichsize': a versioned
> directory of the same name already exists
> =========
>
> I'd like to get some idea about this issue from you kind users on this
> mailing list.

My guess: nobody but you cares. If I wanted to do that, I would temporarily
rename the existing working copy to a name that isn't occupied, check out the
parent and then replace its subdir with the existing, renamed working copy.

Doing that manually is good enough for most users, since the case that you
need that is _very_ rare. You however are writing a program that needs to
check out working copies in this peculiar order and are thus bitten by this,
but - hence my initial comment - you are probably the only one.

Suggestions:
1. Restructure your code to check out things in the 'normal' order.
2. Implement the above manual workaround in your code.
3. Create a patch for SVN that replaces above error message. Actually, I guess
the change would be pretty easy, it would only require checking if the child
to be created is bound to the same repository URL as the existing one. If so,
SVN could just skip this subdir and output a warning.

Uli

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