Bug in 'svn copy --parents url url'?

Hi!

If I try to copy an existing directory to nonexistent one with
--parents, like this:

svn copy --parents svn://localhost/repo/x svn://localhost/repo/y

where x exists and y does not, an editor for commit message is launched
twice (if no -m or -F is provided). Commit succeeds, i.e. afterwards I
see /y/x in my repo but isn't it a bug that the editor is launched twice?

Debugging this command I see that first call to setup_copy() fails with
the following error:

"File already exists: filesystem '/home/alex/workspace/tmp/repo/db',
transaction '9-f', path '/y'"

The problem here is in that commit paths array (which is passed to
svn_delta_path_driver()) contain two identical strings "y" what causes
the aforementioned error.

But then the second call to setup_copy() is made in the following if
clause and commit ends well.

   if (copy_as_child && err && (sources->nelts == 1)
         && (err->apr_err == SVN_ERR_ENTRY_EXISTS
             || err->apr_err == SVN_ERR_FS_ALREADY_EXISTS))

Anyway, I'm reporting this because you may decide that this behavior
should be changed. Thank you.

----
Alexander Sinyushkin,
TMate Software,
http://svnkit.com/ - Java [Sub]Versioning Library!
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