Introduction

https://brew.sh/

Before

• git

Mirror

brew update --verbose

## Checking if we need to fetch /usr/local/Homebrew...
## Checking if we need to fetch /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core...
## Fetching /usr/local/Homebrew...
## Fetching /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core...
## Updating /usr/local/Homebrew...
## Switched to and reset branch 'master'
## Branch 'master' set up to track remote branch 'master' from 'origin'.
## Your branch is up to date with 'origin/master'.
## Switched to and reset branch 'stable'
## Current branch stable is up to date.
## 
## Already up-to-date.

Reference