On May 26, 2011, at 16:32 , Julian Foad wrote:

> On Thu, 2011-05-26 at 13:42 +0200, Stephen Butler wrote:
>> I've assigned issue 3899 "forbid wc-wc copy/move of conflict victims"
>> to myself, but I think it needs a little more discussion.
>> 
>> The basic idea is that the conflict data (including marker files) includes
>> references to "their" version from the repository, which would be invalid 
>> anywhere else in the working copy.
> 
> Why would a repos location be invalid?  What do you mean exactly?

That the repos location mentioned in the conflict data doesn't match the
repos location of the copy/move target.

Suppose I check out ^/trunk to /tmp/wc, and later there's a conflict at
/tmp/wc/A.  If I

  cd /tmp/wc
  svn mv A B

then B has conflict data derived from ^/trunk/A, which doesn't make
sense anymore.

We could remove the conflict data (from the copy/move target) 
automatically, I suppose, perhaps with an implicit '--accept mine-full'.
This would require supporting --accept for tree conflicts, which we
haven't designed yet.

Steve

> 
> 
>> In an issue comment, Philip says:
>> 
>>  Perhaps we should simply prohibit copies where a conflict exists?
>>  That would also solve another problem: actual-only node conflicts
>>  are not copied.
>> 
>> Along those lines, I propose to forbid copy or moving:
>> 
>> 1. any conflict victim (text, property, or tree)
>> 
>> 2. any directory containing conflicted children
>> 
>> 3. any child of a tree-conflicted directory
>> 
>> These apply to the move/copy source only.  Resolving a tree conflict
>> may require copying or moving an item /into/ a conflicted tree. 
>> 
>> Also, a property conflict on a directory should not prevent copying or 
>> moving the directory's children.
>> 
>> Comments?
>> 
>> I have a simple solution for #1 above, and the beginning of a test.
>> I'll commit them if I get a +1.
>> 
>> Regards,
>> Steve
> 
> 

--
Stephen Butler | Senior Consultant
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