Mergeinfo loss after svn copy --no-recursive followed by svn move in Subversion 1.9+
Goal: preserve accurate svn:mergeinfo when reorganizing a branch by first copying a subtree with svn copy --no-recursive and then moving the copied subtree with svn move. Uncertainty: the --no-recursive flag may prevent mergeinfo from being set on the new copy, and the subsequent move might not restore the original merge tracking data, potentially causing du