Contributing to Homebrew

First time contributing to Homebrew? Read our Code of Conduct.

To report a bug:

run brew update (twice), run and read brew doctor, read the Troubleshooting Checklist, open an issue on the formula's repository.

Submit a 1.2.3 version upgrade for the foo formula:

brew edit foo, edit url and sha256/tag, leave the bottle as-is, brew install foo, git commit with commit subject foo 1.2.3, open a pull request and fix any failing tests.

To add a new formula for foo version 2.3.4 from $URL:

Read the Formula Cookbook or: brew create $URL and make edits, brew install foo, brew audit --online --strict foo, git commit with message formatted foo 2.3.4 (new formula), open a pull request and fix any failing tests.

To contribute a fix to the foo formula:

brew edit foo and make edits, leave the bottle as-is, brew install foo, git commit with message formatted foo: fix <insert details>., open a pull request and fix any failing tests.

To report a security vulnerability:

Email security@brew.sh (a private mailing list) with detailed reproduction instructions using our PGP key.

Thanks!