Slight nitpick here: the exit status is zero despite the error.
```rb
depends_on BypassMaximumMacOSRequirementIfYouAreOkayWithTheRiskOfHorribleSystemDeath
```
```console
$ brew install htop --JUSTDOIT
```
macOS's `install(1)` does not support `-D`.[1] I hate it, but that's what we've got.
[1] [Full HTML man page](https://rawgit.com/zmwangx/37e2232ed4fa7a4c9199266a9f62b70c/raw/a5daeda133c685cdaa865d1a256f6d577df0e804/install.1.html) of `install(1)` on macOS 10.13.2 (latest).