Clear command (CMD + K) is inconsistent with `clear` binary

• I am on the latest Hyper.app version

• I have searched the issues of this repo and believe that this is not a duplicate

• OS version and name: macOS 10.12.3

• Hyper.app version: 1.1.0.1408

• Link of a Gist with the contents of your .hyper.js: https://gist.github.com/brandonweiss/454322d27983d2156d52d50b751e8edd

• The issue is reproducible in vanilla Hyper.app: Is Vanilla

Issue

I have a multi-line bash prompt (two lines). If I run clear I see this:

~/Code
❯ 

If I press CMD + K I see this:

❯ 

I'm not totally sure what's happening… what I'd expect to see in both scenarios is this:

~/Code
❯ 

But with the binary I get an extra space at the top and with the shortcut the first line of my prompt is eaten. Maybe this is normal and expected, though, because when I try this in Terminal.app I get the same results. If this isn't a bug, what am I misunderstanding? Why are they different, and why does neither do what seems logical?

Start by reproducing the report on macOS with a two-line bash prompt, comparing the clear binary with CMD+K in Hyper and Terminal.app. Determine whether the differing blank-line and prompt behavior is an application bug or expected terminal behavior; done means the behavior is either made consistent or clearly documented.