repo sync 错误

fatal: '../platform/abi/cpp.git' does not appear to be a git repository
fatal: The remote end hung up unexpectedly
error: Cannot fetch platform/abi/cpp

遇到这样的错误，是因为已经有一个.repo目录了。所以删除再使用即可！

http://blog.sina.com.cn/s/blog_50eea8da0100yu6x.html