mountain (deprecated)

Install command: 
brew install --cask mountain

Name: Mountain

Display notifications when mounting/unmounting volumes

https://appgineers.de/mountain/

Cask JSON API: /api/cask/mountain.json

Cask code: mountain.rb on GitHub

Current version: 1.6.6

Current version requires: macOS >= 10.11

mountain is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
    softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
mountain 2
Installs (90 days)
mountain 16
Installs (365 days)
mountain 93