show build status of current branch

And lots of other error handling so you don't have to open the console.
A single regex will do here.  Something like this would probably do it (untested):

`match = url.match /.*github\.com:?\/?(.*)\/(.*)\.git/`

Notice the optional `:` and `/`.  It's only temporary anyway as in my refactoring I have put together a simple Github URL parser to DRY up this code a little.