Update and clean stuff for macOS

macos-update.sh

#!/bin/sh
# Usage: . ./macos-update.sh (so that upgrade_oh_my_zsh works)
echo 'Updating brew'
brew update
brew upgrade --all
brew cleanup
echo 'Updating shell'
upgrade_oh_my_zsh
echo 'Updating Docker and its images'
dinghy upgrade
eval $(dinghy env)
docker pull debian
docker pull debian:jessie
docker pull postgres
docker pull mailhog/mailhog
echo 'Cleaning Docker containers/images/volumes'
docker rm $(docker ps -aq)
docker images | grep none | awk '{print $3}' | xargs docker rmi
docker volume rm $(docker volume ls -qf dangling=true)
echo 'Cleaning .DS_Store (requires sudo)'
sudo find / -name '.DS_Store' -not -path '/Applications/.DS_Store' -not -path '/Volumes/*' -print -delete 2> /dev/null