Bad error message if target repository directory does not exist

Folks:

The issue is when create copy/branch/tag from a local working copy
path using "svn copy", if the parent path of the copying target
does not exist, the "svn copy" command fails with a misleading error
message saying that the copy source (working copy directory) "is out
of date" while that is not the case.

The reproduce case (both client and server at 1.9.4):

# svn info
Path: .
Working Copy Root Path: /root/repo05
URL: http://192.168.56.202:8081/svn/repo05/trunk
Relative URL: ^/trunk
Repository Root: http://192.168.56.202:8081/svn/repo05
Repository UUID: deadbeef-b0b0-ca1f-f0f0-123456789abc
Revision: 1
Node Kind: directory
Schedule: normal
Last Changed Author: user01
Last Changed Rev: 1
Last Changed Date: 2016-07-29 15:37:02 +0800 (Fri, 29 Jul 2016)
# svn ls ^/branches
# svn cp -mm . ^/branches/test/br1
Adding copy of .
svn: E155011: Commit failed (details follow):
svn: E155011: Directory '/root/repo05/trunk' is out of date
svn: E160013: File not found: transaction '1-2', path '/branches/test/br1'
# svn mkdir -mm ^/branches/test
Committing transaction...
Committed revision 2.
# svn cp -mm . ^/branches/test/br1
Adding copy of .
Committing transaction...
Committed revision 3.

The error message certainly confuses the issue.

Thank you.

Doug

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