尝试了下gb工具，发现有个问题：
[root@etcd1 test]# go get github.com/constabulary/gb/... /home/gopath/src/github.com/constabulary/gb/build.go:12:2: no buildable Go source files in /home/gopath/src/github.com/constabulary/gb/internal/version [root@etcd1 test]# go ge
