Update docs/Formula-Cookbook.md

Co-authored-by: Issy Long <issyl0@github.com>
This commit is contained in:
Patrick Linnane 2023-02-04 15:20:55 +01:00 committed by GitHub
parent 5ae18ce357
commit 225909bb58
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23

View File

@ -154,7 +154,7 @@ A `Hash` (e.g. `=>`) adds information to a dependency. Given a string or symbol,
* `:build` means this is a build-time only dependency so it can be skipped when installing from a bottle or when listing missing dependencies using `brew missing`.
* `:test` means this is only required when running `brew test`.
* `:optional` generates an implicit `with-foo` option for the formula. This means that, given `depends_on "foo" => :optional`, the user must pass `--with-foo` to use the dependency. **Note:** This value is not allowed in Homebrew/homebrew-core as it is not tested by CI.
* `:optional` (not allowed in `Homebrew/homebrew-core`) generates an implicit `with-foo` option for the formula. This means that, given `depends_on "foo" => :optional`, the user must pass `--with-foo` to use the dependency.
* `:recommended` generates an implicit `without-foo` option, meaning that the dependency is enabled by default and the user must pass `--without-foo` to disable this dependency. The default description can be overridden using the [`option`](https://rubydoc.brew.sh/Formula#option-class_method) syntax (in this case, the [`option` declaration](#adding-optional-steps) must precede the dependency):
```ruby