If you're searching on how to backup & restore Homebrew, then I assume you're here for the commands.
Brewfiles are files generated with definitions that Homebrew reads and processes, a generated Brewfile looks similar to the below
You can then run the following command to restore all taps, programs and cask-based applications in one go
Simply run the following command to set up the repository
brew tap Homebrew/bundle
Once complete, you can then perform a single command to backup to your home directory.
brew bundle dump
By default, the Brewfile will be located at
As mentioned before you can run the
brew bundle command to restore from the backup but this will only restore from
You can use specific arguments to choose your Brewfile location
brew bundle --help
--file Read the Brewfile from this location. Use
--file=- to pipe to stdin/stdout.
--file will allow you to select different Brewfiles. An example of this can be selecting a file from a different snapshot.
brew bundle --file=~/Brewfile-20200531