Use Homebrew for Multiple Users

brew-multiuser.sh

#!/bin/bash

# Create a new group, brew
sudo dseditgroup -o create brew

# Change owner to brew group on brew assets
sudo chgrp -R brew $(brew --prefix)/*

# Change permissions to brew group
sudo chmod -R g+w $(brew --prefix)/*

# Add a user to the brew group
sudo dseditgroup -o edit -a userOne -t user brew

# Add another user to the brew group
sudo dseditgroup -o edit -a userTwo -t user brew

# Validate links, etc.
brew doctor

# Make any corrections from the `brew doctor` warnings

# Run brew doctor to validate fixes
brew doctor

# Make sure it's working without error, with an update
brew update