$ brew install gnome-desktop
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 3 taps (caskroom/cask, caskroom/versions, homebrew/core).
==> Renamed Formulae
php70 -> php@7.0
Error: No available formula with the name "gnome-desktop"
==> Searching for a previously deleted formula (in the last month)...
Error: No previously deleted formula found.
==> Searching for similarly named formulae...
==> Searching local taps...
Error: No similarly named formulae found.
==> Searching taps...
==> Searching taps on GitHub...
Error: No formulae found in taps.