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brew/docs/Migrating-A-Formula-To-A-Tap.md
Issy Long 8f75f66d01
Review some docs 
- Most of these were fine still, apart from:
  - FAQ: `hub` is less maintained than `gh`.
  - Brew-Maintainer-Guide: link to GitHub docs on commit signing via GPG or SSH.
  - Interesting-Taps-and-Forks: remove outdated information about `homebrew/core` being in `Library/Taps`.
  - New-Maintainer-Checklist: remove outdated information about the `@members` team.
2025-02-08 14:43:49 +00:00

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Migrating a Formula to a Tap

There are times when we may wish to migrate a formula from one tap into another tap. To do this:

  1. Create a pull request on the new tap adding the formula file as-is from the original tap. Fix any test failures that may occur due to the stricter requirements for new formulae compared to existing formulae (e.g. brew audit --strict must pass for that formula).
  2. Create a pull request on the original tap deleting the formula file and adding it to tap_migrations.json with a commit message like gv: migrate to homebrew/core.
  3. Put a link for each pull request in the other pull request so the maintainers can merge them both at once.

Congratulations, you've moved a formula to another tap!

For Homebrew maintainers, formulae should only ever be migrated into and within the Homebrew organisation (e.g. from homebrew/core to homebrew/cask, or from a third-party tap to homebrew/core), and never out of it.