Brew Concepts: Difference between revisions

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=Formula=
=Formula=


A formula is a package definition written in Ruby. It can be created with  
A formula is a package definition written in Ruby. Homebrew comes with a good amount of existing formulae, and they are stored as /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/<''package-name''>.rb.
 
A new formula can be can be created with  


  brew create <''URL''>  
  brew create <''URL''>  

Revision as of 18:02, 20 April 2018

Internal

Formula

A formula is a package definition written in Ruby. Homebrew comes with a good amount of existing formulae, and they are stored as /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/<package-name>.rb.

A new formula can be can be created with

brew create <URL> 

where <URL> is a zip or tar file, installed with

brew install <formula>

and debugged with:

brew install --debug --verbose <formula>

Formula API: http://www.rubydoc.info/github/Homebrew/brew/master/Formula

Bottle

Tap

Cask

User Space vs. System Space

Commands

update

Fetches the latest version of Homebrew and all formulae and upgrades.

doctor

Checks the Homebrew installation for potential problems and exit with a non-zero status if potential problems are found.

cleanup

Remove old version from cellar for all installed (or specified) formulae. Old downloads from the Homebrew download-cache are deleted.