避免svn密码文件被应用重写

### Set store-auth-creds to 'no' to avoid storing any subversion### credentials in the auth/ area of your config directory.### It defaults to 'yes'.  Note that this option only prevents### saving of *new* credentials;  it doesn't invalidate existing### caches.  (To do that, remove the cache files by hand.)store-auth-creds = no