1安装软件以后，进入主目录，执行以下命令：
maidongdeMac-mini:~ maiyun$ cd .subversion
maidongdeMac-mini:.subversion maiyun$ vim config
2 进入那个文件以后，搜索mis。。然后把下面的倒数第二行改为如下样式：（不忽略.a文件，互虐.DS_Store文件）
### Section for configuring miscelleneous Subversion options.
[miscellany]
### Set global-ignores to a set of whitespace-delimited globs
### which Subversion will ignore in its 'status' output, and
### while importing or adding files and directories.
### '*' matches leading dots, e.g. '*.rej' matches '.foo.rej'.
global-ignores = *~.nib *.so *.pbxuser *.mode *.perspective* *.o *.lo*.la #*# .*.rej *.rej .*~ *~ .#* .DS_Store *.modee1v3 build xcuserdata