Change macOS audio source from the command-line

Current versions:
1.0.0 HEAD

Homepage: https://github.com/deweller/switchaudio-osx/

Formula history

Izzy Navedo Replace references to “(Mac) OS X” with “macOS”.
Mike McQuaid Use hash rockets again. (#5177)
Mike McQuaid Use Ruby 1.9+ symbol hash keys in all formulae. (#4942)
Nikolaus Wittenstein Add descriptions to all remaining homebrew packages
Dan Weeks switchaudio-osx 1.0.0 (new formula)