org.apache.subversion.javahl.ClientException: The working copy needs to be upgraded
svn: Working copy 'C:\.... is too old (format 10, created by Subversion 1.6)
您可以升级到 Subversion 1.7。为了更新到 Subversion 1.7,你必须选择 在 Xcode 5或更高版本中启动现有项目。,这将提示一个警告“ The working copy ProjectName should be upgraded to Subversion 1.7”(如下面的截图所示)。