nowa/carrierwave-upyun — pull request #25 by kaichen (2014-06-11 08:54:20+00:00)
Title: 修复 upyun_bucket_domain 选项处理错误

修复 upyun_bucket_domain 选项处理错误，并重构了代码

以下 Commit 实现有问题，前缀处理错了

https://github.com/nowa/carrierwave-upyun/commit/59e2d1457688797c2d7119ccabe2a2e87f05ce32

```ruby
["http://",@uploader.upyun_bucket_domain, @path].join("/") #=> http:///example.com/path
```