[HaraldNordgren]

Follow-up to #24425, which was merged before CodeRabbit's review came in. Both of its findings were real.

An outdated formula whose installed keg has an empty receipt showed no Recursive Runtime line, even when the latest version has runtime dependencies, because #24425 only computed the latest dependencies after checking that the receipt listed some. Nine of my outdated formulae hit this, for example coreutils, whose latest version has 3 recursive runtime dependencies:

❯ brew info coreutils
==> coreutils: 8.29 → stable 9.12_1, HEAD
...
==> Dependencies
Required (2): gmp, openssl@4
==> Options

When the latest version's dependencies can't be determined, for example because one comes from a tap that isn't tapped, runtime_dependencies prints an error and returns []. The line below that error then said Recursive Runtime (0): all installed ✔.

The dependencies are now computed before the check, so the line is printed whenever there are dependencies to count, and only the error is shown when they can't be determined:

❯ brew info coreutils
==> coreutils: 8.29 → stable 9.12_1, HEAD
...
==> Dependencies
Required (2): gmp, openssl@4
Recursive Runtime (3): all installed ✔
==> Options

Missing libraries is printed inside the Dependencies section, which is skipped when there is nothing else to list. The receipt check used to keep that section open for an outdated keg whose latest version dropped all of its dependencies, so it now also opens when there are missing libraries.

Up-to-date and uninstalled formulae are unaffected. The only new work is the latest-dependencies lookup for outdated formulae with an empty receipt, which other outdated formulae already do since #24425.

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• Have you checked for other open Pull Requests for the same change?
• Have you explained what your changes do? Performance claims (e.g. "this is faster") must include brew benchmark results.
• Have you explained why you'd like these changes included, not just what they do?
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• Have you successfully run brew lgtm (style, typechecking and tests) locally?

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• I did not use AI/LLM to create this PR, or I disclosed the tool/model below and reviewed its output; I did not attribute commits to AI and will answer maintainer questions and review comments myself without AI/LLM.

Claude Code (Claude Opus 5.5) checked CodeRabbit's findings on #24425 and this PR against the code, wrote the changes and their specs and verified them. Each new spec fails without its change, one of them with the Recursive Runtime (0): all installed ✔ output, and passes with it. It ran brew lgtm, which passes, and the coreutils output above is from my install, the second with this branch's info.rb.

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[coderabbitai]

No actionable comments were generated in the recent review.

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Reviewing files that changed from the base of the PR and between 0329859 and 7a06cb5.

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• Library/Homebrew/cmd/info.rb
• Library/Homebrew/test/cmd/info_spec.rb

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Summary

Summary by CodeRabbit

• Bug Fixes
  • The formula information command now reports current runtime dependencies for outdated formulae, including dependencies that are not installed.
  • The Recursive Runtime section appears when relevant dependency information, including missing libraries, is available, and is omitted when that information cannot be determined.
• Tests
  • Added coverage for outdated formulae with no installed runtime dependencies, unavailable current dependency information, and missing libraries as the only dependency information.

The info command selects runtime dependencies based on whether a formula is outdated. It uses the selected dependencies when deciding whether to display the Dependencies section. The section check also considers missing libraries. Tests cover outdated formulae with empty or unavailable runtime dependency data.

Changes: Runtime dependency reporting

Layer / File(s)	Summary
Dependency selection and section visibility Library/Homebrew/cmd/info.rb, Library/Homebrew/test/cmd/info_spec.rb	Outdated formulae use current formula runtime dependencies; other formulae use tab runtime dependencies. The Dependencies section check also considers missing libraries and selected runtime dependencies. Tests cover an outdated formula with a current dependency absent from its tab, an empty latest-version dependency list, and missing libraries.

Merge Risk: Minimal · up to 7a06c

No merge-blocking issue is established; failed dependency lookups can still show other available information.

Pre-merge checks: 4

Check name	Status	Explanation
Title check		The title "info: check latest runtime deps before printing" matches the main change. The PR computes the latest version's runtime dependencies before checking the installed keg's receipt, so the Recur…
Description check		The description explains the bug, the cause (#24425 computed latest dependencies only after checking the receipt), the fix, and the affected output. It includes a coreutils example, the missing-librar…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Title check

Explanation

The title "info: check latest runtime deps before printing" matches the main change. The PR computes the latest version's runtime dependencies before checking the installed keg's receipt, so the Recursive Runtime line appears for outdated formulae with an empty receipt. The title is short, specific, and states the primary change. It does not cover the missing-libraries change, which is expected for a title.

Full details: Description check

Explanation

The description explains the bug, the cause (#24425 computed latest dependencies only after checking the receipt), the fix, and the affected output. It includes a coreutils example, the missing-libraries change, the scope of the change, and test and lint verification. It relates directly to the changeset.

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[coderabbitai]

Actionable comments posted: 1

Nitpick comments: 1

Library/Homebrew/test/cmd/info_spec.rb: 1

775-800: Trivial · Maintainability & Code Quality · Quick win

Exercise the real diagnostic path for an unresolved latest dependency set.

The example at Library/Homebrew/test/cmd/info_spec.rb:775-800 stubs runtime_dependencies directly. This bypasses the FormulaUnavailableError rescue at Library/Homebrew/formula.rb:3005-3007, which emits Could not get runtime dependencies. The example checks only that the Recursive Runtime line is absent. It does not check the error message, so it can still pass if that onoe call is removed.

Stub declared_runtime_dependencies to raise FormulaUnavailableError instead. The real runtime_dependencies then runs its rescue. Assert the error message and the absence of Recursive Runtime.

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Review info

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• Run ID: 3dc39c05-aa24-48df-a084-4deb0793cab3

Commits

Reviewing files that changed from the base of the PR and between 244bd01 and 41ef2a7.

Files selected for processing: 2

• Library/Homebrew/cmd/info.rb
• Library/Homebrew/test/cmd/info_spec.rb

Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 8 remain after this review.

[MikeMcQuaid]

Thanks!