Interesting! I am relatively new to Go, so style nitpicks are awesome to me.

I wish I could do this though:

```go
herokuGitHost := os.Getenv("HEROKU_GIT_HOST")
herokuHost := os.Getenv("HEROKU_HOST")
if herokuGitHost or herokuHost {
    return herokuGitHost or herokuHost
}
```

but alas, it is not valid.